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HD 189733 b

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787: 508: 857: 992:, including sunspots. Their statistical analysis also found that many stellar flares are seen regardless of the position of the exoplanet, therefore debunking the earlier claims. The magnetic fields of the host star and exoplanet do not interact, and this system is no longer believed to have a "star-planet interaction." Some researchers had also suggested that HD 189733 accretes, or pulls, gas from its orbiting exoplanet at a rate similar to those found around young 904: 807: 522: 38: 4798: 698: 4846: 803:± 33 K to 1,212 ± 11 K was discovered, indicating that the absorbed energy from the parent star is distributed fairly evenly through the planet's atmosphere. The region of peak temperature was offset 30 degrees east of the substellar point, as predicted by theoretical models of hot Jupiters taking into account a parameterized day to night redistribution mechanism. 4870: 494: 4822: 988:, and the Automated Photoelectric Telescope, in addition to historical observations of the star at radio, optical, ultraviolet, and X-ray wavelengths to examine these claims. They found that the previous claims were exaggerated and the host star failed to display many of the brightness and spectral characteristics associated with stellar flaring and solar 4858: 4834: 802:
was used to map the planet's temperature emissions. The planet and star system was observed for 33 consecutive hours, starting when only the night side of the planet was in view. Over the course of one-half of the planet's orbit, more and more of the dayside came into view. A temperature range of 973
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The closest transiting hot Jupiter to Earth, HD 189733 b has been the subject of close atmospheric observation. Scientists have studied it with high- and low-resolution instruments, both from the ground and from space. Researchers have found that the planet's weather includes raining molten glass. HD
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which lack titanium and vanadium oxides. Follow-up measurements, tested against a stratospheric model, yielded inconclusive results. Atmospheric condensates form a haze 1,000 kilometres (620 mi) above the surface as viewed in the infrared. A sunset viewed from that surface would be red. Sodium
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and molecular absorption in the red. The blue color of the planet was subsequently confirmed in 2013, which would have made HD 189733 the first planet to have its overall color determined by two different techniques. The measurements in polarized light have since been disputed by two separate teams
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observed. The parent stars of these two planets are the brightest transiting-planet host stars, so these planets will continue to receive the most attention from astronomers. Like most hot Jupiters, this planet is thought to be tidally locked to its parent star, meaning it has a permanent day and
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Albrecht, Simon; Winn, Joshua N.; Johnson, John A.; Howard, Andrew W.; Marcy, Geoffrey W.; Butler, R. Paul; Arriagada, Pamela; Crane, Jeffrey D.; Shectman, Stephen A.; Thompson, Ian B.; Hirano, Teruyuki; Bakos, Gaspar; Hartman, Joel D. (2012), "Obliquities of Hot Jupiter Host Stars: Evidence for
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The international team under the direction of Svetlana Berdyugina of Zurich University of Technology, using the Swedish 60-centimeter telescope KVA, which is located in Spain, was able to directly see the polarized light reflected from the planet. The polarization indicates that the scattering
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Keles, E.; Kitzmann, D.; Mallonn, M.; Alexoudi, X.; Fossati, L.; Pino, L.; Seidel, J. V.; Carroll, T. A.; Steffen, M.; Ilyin, I.; Poppenhäger, K.; Strassmeier, K. G.; Von Essen, C.; Nascimbeni, V.; Turner, J. D. (2020), "Probing the atmosphere of HD189733b with the Na i and K i lines",
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Oza, Apurva V.; Johnson, Robert E.; Lellouch, Emmanuel; Schmidt, Carl; Schneider, Nick; Huang, Chenliang; Gamborino, Diana; Gebek, Andrea; Wyttenbach, Aurelien; Demory, Brice-Olivier; Mordasini, Christoph; Saxena, Prabal; Dubois, David; Moullet, Arielle; Thomas, Nicolas (2019-08-28).
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temperature should cause the water and methane to react, replacing the atmosphere with carbon monoxide. Nonetheless, the presence of roughly 0.004% of water vapour fraction by volume in atmosphere of HD 189733 b was confirmed with high-resolution emission spectra taken in 2021.
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determined that HD 189733 b has winds of up to 8,700 km/h (5,400 mph) blowing from the day side to the night side. NASA released a brightness map of the surface temperature of HD 189733 b; it is the first map ever published of an extra-solar planet.
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Keles, Engin; Mallonn, Matthias; von Essen, Carolina; Carroll, Thorsten; Alexoudi, Xanthippi; Pino, Lorenzo; Ilyin, Ilya; Poppenhager, Katja; Kitzmann, Daniel; Nascimbeni, Valerio; Turner, Jake D; Strassmeier, Klaus G (October 2019).
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Wiktorowicz, Sloane J.; Nofi, Larissa A.; Jontof-Hutter, Daniel; Kopparla, Pushkar; Laughlin, Gregory P.; Hermis, Ninos; Yung, Yuk L.; Swain, Mark R. (2015-10-27). "A GROUND-BASED ALBEDO UPPER LIMIT FOR HD 189733b FROM POLARIMETRY".
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Bonomo, A. S.; Desidera, S.; et al. (June 2017). "The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets".
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Khalafinejad, S.; Essen, C. von; Hoeijmakers, H. J.; Zhou, G.; Klocová, T.; Schmitt, J. H. M. M.; Dreizler, S.; Lopez-Morales, M.; Husser, T.-O. (2017-02-01). "Exoplanetary atmospheric sodium revealed by orbital motion".
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published the results of their observations using the Spitzer Space Telescope concluding there is solid evidence for significant amounts of water vapor in the planet's atmosphere. Follow-up observations made using the
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Evans, Thomas M.; Pont, Frédéric; et al. (August 2013). "The Deep Blue Color of HD 189733b: Albedo Measurements with Hubble Space Telescope/Space Telescope Imaging Spectrograph at Visible Wavelengths".
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of approximately 10 to 10 μm. Using both models, the planet's temperature would be between 1340 and 1540 K. The Rayleigh effect is confirmed in other models, and by the apparent lack of a cooler, shaded
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below its outer atmosphere. In the visible region of the spectrum, thanks to their high absorption cross sections, atomic sodium and potassium can be investigated. For example, using high-resolution
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In July 2013, NASA reported the first observations of planet transit studied in the X-ray spectrum. It was found that the planet's atmosphere blocks three times more X-rays than visible light.
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The Rossiter–McLaughlin effect allows the measurement of the angle between the planet's orbital plane and the equatorial plane of the star. These are well aligned, misalignment equal to -0.5
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In March 2010, transit observations using HI Lyman-alpha found that this planet is evaporating at a rate of 1-100 gigagrams per second. This indication was found by detecting the extended
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Berdyugina, S.V.; Berdyugin, A.V.; Fluri, D.M.; Piirola, V. (2011). "Polarized reflected light from the exoplanet HD189733b: First multicolor observations and confirmation of detection".
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Knutson, Heather A.; Lewis, Nikole; et al. (July 2012). "3.6 and 4.5 μm Phase Curves and Evidence for Non-equilibrium Chemistry in the Atmosphere of Extrasolar Planet HD 189733b".
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Redfield; Endl, Michael; Cochran, William D.; Koesterke, Lars (2008). "Sodium Absorption from the Exoplanetary Atmosphere of HD 189733b Detected in the Optical Transmission Spectrum".
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Berdyugina, Svetlana V.; Andrei V. Berdyugin; Dominique M. Fluri; Vilppu Piirola (20 January 2008). "First detection of polarized scattered light from an exoplanetary atmosphere".
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around HD 189733 b. A 2014 study proposed a moon based on studying periodic increases and decreases in light given off from HD 189733 b. This moon would be outside of the planet's
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flares. Theoretical research since 2000 suggested that an exoplanet very near to the star that it orbits may cause increased flaring due to the interaction of their
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and potassium signals were predicted by Tinetti 2007. First obscured by the haze of condensates, sodium was eventually observed at three times the concentration of
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spectral lines caused by the planet occulting a part of the rotating stellar surface. Due to its high mass and close orbit, the parent star has a very large
3251:"ROME (Radio Observations of Magnetized Exoplanets). II. HD 189733 Does Not Accrete Significant Material from Its Exoplanet Like a T Tauri Star from a Disk" 2399:; Marley, M. S.; Freedman, R. S. (2008). "A Unified Theory for the Atmospheres of the Hot and Very Hot Jupiters: Two Classes of Irradiated Atmospheres". 2507:"Detection of atmospheric haze on an extrasolar planet: The 0.55 – 1.05 micron transmission spectrum of HD189733b with the Hubble Space Telescope" 2330:
Frédéric Pont; et al. (2008). "Hubble Space Telescope time-series photometry of the planetary transit of HD189733: no moon, no rings, starspots".
2755: 1794: 624:, which would have been the first such success. This result seemed to be confirmed and refined by the same team in 2011. They found that the planet 2269: 964:
In 2008, a team of astronomers first described how as the exoplanet orbiting HD 189733 A reaches a certain place in its orbit, it causes increased
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caused by the planet passing in front of its star before photometric measurements confirmed that the planet was transiting. In 2006, a team led by
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containing the first publication on the spectroscopic observation of the other exoplanet, HD 209458 b. A paper was submitted and published by the
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Bott, Kimberly; Bailey, Jeremy; Kedziora-Chudczer, Lucyna; Cotton, Daniel V.; Lucas, P. W.; Marshall, Jonathan P.; Hough, J. H. (2016-03-20).
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Deming; Harrington, Joseph; Seager, Sara; Jeremy Richardson (2006-02-20). "Strong Infrared Emission from the Extrasolar Planet HD189733b".
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Ben-Jaffel, Lotfi; Ballester, Gilda (May 18, 2013). "Hubble Space Telescope detection of oxygen in the atmosphere of exoplanet HD189733b".
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from the transiting exoplanet planet HD 189733 b, by measuring the flux decrement (decrease of total light) during its prominent secondary
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Knutson, Heather A.; Charbonneau, David; et al. (May 2007). "A map of the day-night contrast of the extrasolar planet HD 189733b".
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On October 6, 2005, a team of astronomers announced the discovery of transiting planet HD 189733 b. The planet was then detected using
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Swain, Mark R.; Vasisht, Gautam; Tinetti, Giovanna (2008-03-20). "The presence of methane in the atmosphere of an extrasolar planet".
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Berdyugina; Berdyugin; Fluri; Piirola (2008-02-02). "First Detection of Polarized Scattered Light from an Exoplanetary Atmosphere".
1648: 1235: 968:. In 2010, a different team found that every time they observe the exoplanet at a certain position in its orbit, they also detected 53: 2088: 1646:
Majeau, Carl; Agol, Eric; Cowan, Nicolas B. (March 2012). "A Two-dimensional Infrared Map of the Extrasolar Planet HD 189733b".
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Krenn, A. F.; Lendl, M.; et al. (April 2023). "The geometric albedo of the hot Jupiter HD 189733b measured with CHEOPS".
870: 543: 4900: 3868: 3541: 3055: 109: 1400:"Estimating dayside effective temperatures of hot Jupiters and associated uncertainties through Gaussian process regression" 1113:"ELODIE metallicity-biased search for transiting Hot Jupiters II. A very hot Jupiter transiting the bright K star HD 189733" 4773: 507: 2452:
Ivan Hubeny; Adam Burrows (2008). "Spectrum and atmosphere models of irradiated transiting extrasolar giant planets".
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of 0.1564 solar radii. The Mie approximation model also found that there is a possible condensate in its atmosphere,
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Wiktorowicz, Sloane J. (2009-04-22). "NONDETECTION OF POLARIZED, SCATTERED LIGHT FROM THE HD 189733b HOT JUPITER".
665: 68: 4090: 3852: 3485: 3362: 2734: 1345: 644:. In mid January 2008, spectral observation during the planet's transit using that model found that if molecular 297: 63: 2900: 1506: 3612: 731: 589: 314: 758:, and has neither satellites with greater than 0.8 the radius of Earth nor a ring system like that of Saturn. 3836: 3031: 2729: 799: 620:
In 2008, a team of astrophysicists appeared to have detected and monitored the planet's visible light using
585: 230: 2979:"Characterizing Exoplanetary Atmospheres at High Resolution with SPIRou: Detection of Water on HD 189733 b" 1000:. Later analysis demonstrated that very little, if any, gas was accreted from the "hot Jupiter" companion. 4461: 2659: 2250: 833: 791: 609: 2759: 1798: 4895: 4726: 4303: 3905: 3192:"The Rise of ROME. I. A Multiwavelength Analysis of the Star-Planet Interaction in the HD 189733 System" 815: 790:
An artist's conception of HD 189733 b following the 2013 confirmation of the planet's blue color by the
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on the day side of the planet. It is currently unknown how the methane originated as the planet's high
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atmosphere is considerably larger (> 30%) than the opaque body of the planet seen during transits.
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Ben-Jaffel, Lotfi; Ballester, Gilda (3 April 2014). "Transit of Exomoon Plasma Tori: New Diagnosis".
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Gregory W. Henry; et al. (2008). "The Rotation Period of the Planet-Hosting Star HD 189733".
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using more sensitive polarimeters, with upper limits of the polarimetric signal provided therein.
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of 152.0 kilometers per second (152,000 meters per second; 340,000 miles per hour), making it a
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Eric Agol; et al. (2008). "Transits and secondary eclipses of HD 189733 with Spitzer".
2169: 2165: 2059: 1991: 1929: 1874: 1839: 1737: 1675: 1620: 1593: 1554: 1550: 1486: 1482: 1431: 1372: 1317: 1313: 1262: 1199: 1195: 1144: 1139: 985: 828: 598: 554: 351: 206: 169: 101: 806: 4693: 4580: 4575: 973: 882: 845: 755: 539: 306: 4600: 3754: 3686: 3635: 3608:"Radio-loud Exoplanet-exomoon Survey: GMRT Search for Electron Cyclotron Maser Emission" 3567: 3508: 3446: 3331: 3276: 3217: 3161: 3107: 3005: 2808: 2589: 2534: 2475: 2422: 2055: 1987: 1925: 1835: 1733: 1671: 1616: 1427: 1368: 1258: 900:. A much larger angle would have suggested a violent interplay with other protoplanets. 1933: 989: 896:, the formation of the planet was peaceful and probably involved interactions with the 521: 453: 428:
and a radius 11.4% greater, HD 189733 b orbits its host star once every 2.2 days at an
242: 131: 37: 3339: 2675:"James Webb telescope reveals rare, 'rotten egg' atmosphere around nearby hell planet" 1679: 1266: 4884: 4560: 4550: 4253: 4243: 4228: 4213: 4208: 4198: 4188: 4178: 4138: 4073: 4068: 4063: 4058: 4053: 4048: 4043: 4038: 4033: 4028: 4023: 4018: 4013: 4008: 4003: 3998: 3993: 3988: 3983: 3978: 3973: 3968: 3963: 3958: 3953: 3816: 3711: 3585: 3526: 3464: 3347: 3294: 3235: 3169: 3115: 2885: 2832: 2543: 2506: 2011: 1995: 1888: 1741: 1687: 1500: 1376: 1329: 1211: 1036:. A follow-up study in 2022 did not find evidence for an exomoon around HD 189733 b. 965: 608:. The spectroscopic observations of HD 189733 b were led by Carl Grillmair of NASA's 569: 429: 161: 3770: 3702: 3404: 3177: 3123: 2942: 2552: 2491: 2438: 2369: 2316: 2235: 2181: 1949: 1866: 1851: 1749: 1574: 1384: 1274: 4838: 4649: 4113: 4108: 4103: 3948: 3943: 3938: 3933: 3928: 3923: 3918: 3913: 2605: 997: 766: 747: 670: 568:'s, with the planet completing an orbit around its host star every 2.2 days and an 413: 266: 3396: 3063: 2934: 2877: 2308: 2173: 1558: 1491: 1452: 1321: 1203: 1149: 1112: 836:
confirm the presence of water vapor, neutral oxygen and also the organic compound
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The atmosphere was at first predicted "pL class", lacking a temperature-inversion
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An artist's impression of HD 189733 b showing rapid evaporation of the atmosphere
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of its orbit is 16 degrees +/- 8 away from the north–south in our sky. It and
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Wyttenbach, A.; Ehrenreich, D.; Lovis, C.; Udry, S.; Pepe, F. (5 May 2015).
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is significantly larger in blue light than in the red, most probably due to
596:. The release came simultaneously with the public release of a new issue of 464: 417: 401: 397: 217: 194: 2824: 1795:"Press Release: NASA's Spitzer First To Crack Open Light of Faraway Worlds" 1632: 2382: 4739: 4734: 4667: 4662: 4530: 3745: 1129: 1080: 1021: 948: 944: 940: 928: 924: 916: 645: 551: 472: 445: 115:
0.03100 ± 0.0006 AU (4,638,000 ± 90,000 km)
17: 2816: 2089:"For First Time, Alien Planet's True Color Revealed: 'Deep Cobalt Blue'" 1624: 493: 4079: 3780: 1075: 1009: 920: 860:
NASA Exoplanet Exploration Program "horror film poster" for HD 189733 b
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candidates around a number of hot Jupiters, including HD 189733 b and
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Short narrated video about the evaporation of HD 189733 b's atmosphere
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A. Lecavelier des Etangs; F. Pont; A. Vidal-Madjar; D. Sing (2008).
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Pass, Emily K.; Cowan, Nicolas B.; et al. (October 2019).
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on three exoplanets that orbited Sun-like stars: HD 189733 b,
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across the star's face. With a mass 11.2% higher than that of
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Data Release 3. Summary of the content and survey properties"
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Narang, Mayank; Oza, Apurva V.; et al. (January 2023).
2138:"Rayleigh scattering in the transit spectrum of HD 189733b" 718:
of atomic hydrogen. HD 189733 b is the second planet after
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Monthly Notices of the Royal Astronomical Society: Letters
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Monthly Notices of the Royal Astronomical Society: Letters
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The mass of the planet is estimated to be 16% larger than
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Vallenari, A.; et al. (Gaia collaboration) (2023).
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The planet's blue color was revealed using polarimetry.
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Exoplanet Exploration: Planets Beyond our Solar System
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While transiting the system also clearly exhibits the
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for which atmospheric evaporation has been detected.
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Route, Matthew; Looney, Leslie (December 20, 2019).
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Hot Jupiter exoplanet in the constellation Vulpecula
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Proceedings of the International Astronomical Union
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Proceedings of the International Astronomical Union
1867:"First distant planet to be seen in colour is blue" 572:of 152.5 kilometres per second (341,000 mph). 358: 326: 304: 278: 254: 228: 223: 213: 192: 176: 158: 129: 119: 107: 100: 82: 74: 62: 52: 47: 3138:Tidal Interactions and Primordial Misalignments", 444:189733 b was also the first exoplanet to have its 3546:Monthly Notices of the Royal Astronomical Society 2778: 2776: 2622:Monthly Notices of the Royal Astronomical Society 2512:Monthly Notices of the Royal Astronomical Society 2268:Lecavelier des Etangs; et al. (2010-03-10). 1705: 1703: 1701: 1699: 1697: 1405:Monthly Notices of the Royal Astronomical Society 1763:Harrington, J.D.; Villard, Ray (July 24, 2014). 738:so far observed, approximately 3%. The apparent 2701:"Exoplanet's Global Winds Let Rip at 5,400 MPH" 734:(amount of the parent star's light blocked) of 2977:Boucher, Anne; et al. (9 November 2021). 456:confirmed as being present in its atmosphere. 3837: 1586: 1584: 448:constructed, possibly to be detected through 8: 1164: 1162: 1160: 1106: 1104: 1102: 30: 3540:Gebek, Andrea; Oza, Apurva (29 July 2020). 1227: 1225: 1223: 1221: 844:observations also detected the presence of 640:colour of HD 189733 b may be the result of 4769: 4722: 4681: 4645: 4614: 3883: 3844: 3830: 3822: 2660:"Carbon Dioxide Detected on Faraway World" 980:. In 2019, astronomers analyzed data from 823:Water vapor, oxygen, and organic compounds 746:were the first two planets to be directly 561:(when the planet passes behind the star). 36: 3744: 3676: 3643: 3625: 3575: 3557: 3516: 3498: 3454: 3436: 3378: 3321: 3284: 3266: 3225: 3207: 3151: 3097: 3032:"Rains of Terror on Exoplanet HD 189733b" 3014: 3004: 2994: 2916: 2859: 2798: 2643: 2633: 2579: 2542: 2524: 2465: 2412: 2343: 2290: 2217: 2155: 2063: 2045: 1977: 1915: 1878: 1825: 1723: 1661: 1606: 1540: 1490: 1472: 1435: 1417: 1358: 1303: 1248: 1185: 1148: 1138: 1128: 2383:Polarization technique focuses limelight 730:This planet exhibits one of the largest 696: 4817: 2199: 2197: 1098: 513:A global temperature map of HD 189733 b 4911:Exoplanets detected by radial velocity 2658:Robert Roy Britt (November 24, 2008). 29: 1521: 1519: 1008:Some studies have proposed candidate 420:on October 5, 2005, by observing its 7: 3190:Route, Matthew (February 10, 2019). 499:The infrared spectrum of HD 189733 b 463:announced the discovery of very dry 3712:"The Best Transiting Exoplanet Yet" 2899:de Kok, R. J.; et al. (2013). 960:Star-planet interaction controversy 2699:Klotz, Irene (November 16, 2015). 25: 2568:The Astrophysical Journal Letters 2113:"Exoplanet Catalog - HD 189733 b" 1649:The Astrophysical Journal Letters 1236:The Astrophysical Journal Letters 4868: 4856: 4844: 4832: 4820: 4797: 4796: 2956:Stephen Battersby (2008-02-11). 2544:10.1111/j.1365-2966.2008.12852.x 1111:Bouchy, F.; et al. (2005). 827:On July 11, 2007, a team led by 520: 506: 492: 484:Transit and Doppler spectroscopy 42:Jupiter and HD 189733 b compared 2027:"The polarization of HD 189733" 1865:Powell, Devin (July 11, 2013). 1507:Gaia DR3 record for this source 3869:Vulpecula in Chinese astronomy 915:From top left to lower right: 912:" exoplanets (artist concept). 550:announced detection of strong 383:(1,220 °C; 2,220 °F) 1: 4906:Exoplanets discovered in 2005 2505:F. Pont; et al. (2008). 2249:Boen, Brooke (May 20, 2015). 1712:Astrophysical Journal Letters 881:, the "wobble" in the star's 605:Astrophysical Journal Letters 3710:Naeye, Robert (2005-10-07). 3367:Astronomy & Astrophysics 3062:. 2007-03-05. Archived from 2848:Astronomy & Astrophysics 2673:Baker, Harry (8 July 2024). 2278:Astronomy & Astrophysics 2143:Astronomy & Astrophysics 1934:10.1088/0004-637X/696/2/1116 1529:Astronomy & Astrophysics 1291:Astronomy & Astrophysics 1173:Astronomy & Astrophysics 374:(919 °C; 1,686 °F) 3397:10.1051/0004-6361/201525729 3340:10.1088/2041-8205/785/2/L30 2935:10.1051/0004-6361/201321381 2878:10.1051/0004-6361/201221014 2309:10.1051/0004-6361/200913347 2174:10.1051/0004-6361:200809388 1891:– via www.nature.com. 1680:10.1088/2041-8205/747/2/L20 1559:10.1051/0004-6361/201629473 1492:10.1051/0004-6361/202243940 1322:10.1051/0004-6361/202245016 1267:10.1088/2041-8205/772/2/L16 1204:10.1051/0004-6361/201629882 1150:10.1051/0004-6361:200500201 740:longitude of ascending node 4927: 3864:List of stars in Vulpecula 3853:Constellation of Vulpecula 3170:10.1088/0004-637X/757/1/18 3116:10.1088/0004-6256/135/1/68 3030:Loff, Sarah (2016-10-31). 2905:Astronomy and Astrophysics 2725:"First Map of Alien World" 2362:10.1051/0004-6361:20078269 2332:Astronomy and Astrophysics 1996:10.1088/0004-637X/813/1/48 1742:10.1088/2041-8205/728/1/L6 1461:Astronomy and Astrophysics 1377:10.1088/0004-637X/754/1/22 1117:Astronomy and Astrophysics 871:Rossiter–McLaughlin effect 592:from both HD 189733 b and 544:Rossiter–McLaughlin effect 542:measurements detected the 69:Haute-Provence Observatory 4794: 4768: 4680: 4644: 4613: 3859: 3733:The Astrophysical Journal 3665:The Astrophysical Journal 3486:The Astrophysical Journal 3310:The Astrophysical Journal 3255:The Astrophysical Journal 3196:The Astrophysical Journal 3140:The Astrophysical Journal 2735:Jet Propulsion Laboratory 2484:10.1017/S1743921308026458 2228:10.1017/S1743921308026422 1966:The Astrophysical Journal 1904:The Astrophysical Journal 1880:10.1038/nature.2013.13376 1814:The Astrophysical Journal 1346:The Astrophysical Journal 732:photometric transit depth 648:exists, it would have an 387: 132:Orbital period (sidereal) 35: 3645:10.3847/1538-3881/ac9eb8 3613:The Astronomical Journal 3518:10.3847/1538-4357/ab40cc 3286:10.3847/1538-4357/ab594e 3227:10.3847/1538-4357/aafc25 3086:The Astronomical Journal 3016:10.3847/1538-3881/ac1f8e 2983:The Astronomical Journal 726:Physical characteristics 436:with poor prospects for 400:in the constellation of 224:Physical characteristics 3389:2015A&A...577A..62W 2927:2013A&A...554A..82D 2870:2013A&A...553A..52B 2730:Spitzer Space Telescope 2354:2007A&A...476.1347P 2301:2010A&A...514A..72L 2166:2008A&A...481L..83L 1551:2017A&A...598A.131K 1483:2023A&A...674A...1G 1314:2023A&A...672A..24K 1196:2017A&A...602A.107B 1140:2005A&A...444L..15B 800:Spitzer Space Telescope 586:Spitzer Space Telescope 584:released news that the 479:Detection and discovery 102:Orbital characteristics 3577:10.1093/mnras/staa2193 2645:10.1093/mnras/staa2435 956: 892:0.4°. By analogy with 861: 834:Hubble Space Telescope 811: 795: 792:Hubble Space Telescope 711: 610:Spitzer Science Center 588:had measured detailed 580:On February 21, 2007, 4901:Transiting exoplanets 3456:10.1093/mnrasl/slz123 2401:Astrophysical Journal 2065:10.1093/mnrasl/slw046 1437:10.1093/mnras/stz2226 906: 859: 816:University of Warwick 809: 789: 709: 438:extraterrestrial life 341:<0.12 (450–570 nm) 3060:University of Geneva 1024:, based on detected 998:T Tauri Star systems 842:Very Large Telescope 679:Very Large Telescope 677:spectrograph on the 650:atmospheric pressure 536:Doppler spectroscopy 91:Doppler spectroscopy 4774:Astronomical events 3817:Articles and images 3755:2006ApJ...644..560D 3717:Sky & Telescope 3687:2008ApJ...673L..83B 3636:2023AJ....165....1N 3568:2020MNRAS.497.5271G 3509:2019ApJ...885..168O 3447:2019MNRAS.489L..37K 3332:2014ApJ...785L..30B 3277:2019ApJ...887..229R 3218:2019ApJ...872...79R 3162:2012ApJ...757...18A 3108:2008AJ....135...68H 3006:2021AJ....162..233B 2817:10.1038/nature06823 2809:2008Natur.452..329S 2590:2008ApJ...673L..87R 2535:2008MNRAS.385..109P 2476:2009IAUS..253..239H 2423:2008ApJ...678.1419F 2056:2016MNRAS.459L.109B 1988:2015ApJ...813...48W 1926:2009ApJ...696.1116W 1836:2008ApJ...673L..83B 1734:2011ApJ...728L...6B 1672:2012ApJ...747L..20M 1625:10.1038/nature05782 1617:2007Natur.447..183K 1428:2019MNRAS.489..941P 1369:2012ApJ...754...22K 1259:2013ApJ...772L..16E 982:Arecibo Observatory 898:protoplanetary disc 885:, of 205 m/s. 642:Rayleigh scattering 630:Rayleigh scattering 404:approximately 64.5 75:Discovery date 64:Discovery site 32: 957: 879:semi-amplitude (K) 862: 814:Scientists at the 812: 796: 754:The planet is not 736:extrasolar planets 712: 658:magnesium silicate 54:Discovered by 4808: 4807: 4790: 4789: 4764: 4763: 4712: 4711: 4676: 4675: 4658:Brocchi's Cluster 4640: 4639: 4609: 4608: 2793:(7185): 329–331. 1801:on July 15, 2007. 1601:(7141): 183–186. 1004:Possible exomoons 782:Map of the planet 748:spectroscopically 707: 576:Infrared spectrum 391: 390: 16:(Redirected from 4918: 4873: 4872: 4871: 4861: 4860: 4859: 4849: 4848: 4847: 4837: 4836: 4825: 4824: 4823: 4816: 4800: 4799: 4770: 4723: 4682: 4646: 4615: 4521:ASKAP J1935+2148 3884: 3846: 3839: 3832: 3823: 3774: 3748: 3746:astro-ph/0602443 3727: 3725: 3724: 3706: 3680: 3650: 3649: 3647: 3629: 3603: 3597: 3596: 3594: 3592: 3579: 3561: 3552:(4): 5271–5291. 3537: 3531: 3530: 3520: 3502: 3475: 3469: 3468: 3458: 3440: 3415: 3409: 3408: 3382: 3358: 3352: 3351: 3325: 3305: 3299: 3298: 3288: 3270: 3246: 3240: 3239: 3229: 3211: 3187: 3181: 3180: 3155: 3134: 3128: 3127: 3101: 3081: 3075: 3074: 3072: 3071: 3056:"HD 189733 page" 3052: 3046: 3045: 3043: 3042: 3027: 3021: 3020: 3018: 3008: 2998: 2974: 2968: 2967: 2965: 2964: 2953: 2947: 2946: 2920: 2896: 2890: 2889: 2863: 2843: 2837: 2836: 2802: 2780: 2771: 2770: 2768: 2767: 2758:. Archived from 2752: 2746: 2745: 2743: 2742: 2721: 2715: 2714: 2712: 2711: 2696: 2690: 2689: 2687: 2685: 2670: 2664: 2663: 2655: 2649: 2648: 2647: 2637: 2616: 2610: 2609: 2583: 2563: 2557: 2556: 2546: 2528: 2502: 2496: 2495: 2469: 2449: 2443: 2442: 2416: 2407:(2): 1419–1435. 2395:Fortney, J. J.; 2392: 2386: 2380: 2374: 2373: 2347: 2338:(3): 1347–1355. 2327: 2321: 2320: 2294: 2274: 2265: 2259: 2258: 2246: 2240: 2239: 2221: 2201: 2192: 2191: 2189: 2188: 2159: 2133: 2127: 2126: 2124: 2123: 2109: 2103: 2102: 2100: 2099: 2087:Kramer, Miriam. 2084: 2078: 2077: 2067: 2049: 2040:(1): L109–L113. 2031: 2022: 2016: 2015: 1981: 1960: 1954: 1953: 1919: 1910:(2): 1116–1124. 1899: 1893: 1892: 1882: 1862: 1856: 1855: 1829: 1809: 1803: 1802: 1797:. Archived from 1791: 1782: 1781: 1779: 1777: 1760: 1754: 1753: 1727: 1707: 1692: 1691: 1665: 1643: 1637: 1636: 1610: 1588: 1579: 1578: 1544: 1523: 1514: 1504: 1494: 1476: 1448: 1442: 1441: 1439: 1421: 1395: 1389: 1388: 1362: 1340: 1334: 1333: 1307: 1285: 1279: 1278: 1252: 1229: 1216: 1215: 1189: 1166: 1155: 1154: 1152: 1142: 1132: 1130:astro-ph/0510119 1108: 976:, or because of 891: 851: 829:Giovanna Tinetti 708: 555:thermal emission 524: 510: 496: 412:) away from the 382: 380: 373: 368: 349: 347: 338: 336: 317: 300: 295: 294: 274: 264: 250: 240: 209: 204: 197: 188: 186: 172: 149: 144: 141: 85:Detection method 40: 33: 21: 4926: 4925: 4921: 4920: 4919: 4917: 4916: 4915: 4881: 4880: 4879: 4869: 4867: 4857: 4855: 4845: 4843: 4831: 4821: 4819: 4811: 4809: 4804: 4786: 4760: 4744: 4708: 4694:Dumbbell Nebula 4672: 4636: 4605: 4509: 4456: 4298: 4085: 3900: 3873: 3855: 3850: 3779:HD 189733 b on 3730: 3722: 3720: 3709: 3662: 3659: 3654: 3653: 3605: 3604: 3600: 3590: 3588: 3539: 3538: 3534: 3477: 3476: 3472: 3417: 3416: 3412: 3360: 3359: 3355: 3307: 3306: 3302: 3248: 3247: 3243: 3189: 3188: 3184: 3136: 3135: 3131: 3083: 3082: 3078: 3069: 3067: 3054: 3053: 3049: 3040: 3038: 3029: 3028: 3024: 2976: 2975: 2971: 2962: 2960: 2955: 2954: 2950: 2898: 2897: 2893: 2845: 2844: 2840: 2782: 2781: 2774: 2765: 2763: 2754: 2753: 2749: 2740: 2738: 2723: 2722: 2718: 2709: 2707: 2698: 2697: 2693: 2683: 2681: 2672: 2671: 2667: 2657: 2656: 2652: 2618: 2617: 2613: 2565: 2564: 2560: 2504: 2503: 2499: 2451: 2450: 2446: 2394: 2393: 2389: 2381: 2377: 2329: 2328: 2324: 2272: 2267: 2266: 2262: 2248: 2247: 2243: 2203: 2202: 2195: 2186: 2184: 2135: 2134: 2130: 2121: 2119: 2111: 2110: 2106: 2097: 2095: 2086: 2085: 2081: 2029: 2024: 2023: 2019: 1962: 1961: 1957: 1901: 1900: 1896: 1864: 1863: 1859: 1811: 1810: 1806: 1793: 1792: 1785: 1775: 1773: 1762: 1761: 1757: 1709: 1708: 1695: 1645: 1644: 1640: 1590: 1589: 1582: 1525: 1524: 1517: 1450: 1449: 1445: 1397: 1396: 1392: 1342: 1341: 1337: 1287: 1286: 1282: 1231: 1230: 1219: 1168: 1167: 1158: 1110: 1109: 1100: 1095: 1090: 1042: 1006: 974:magnetic fields 966:stellar flaring 962: 914: 913: 908:Comparison of " 889: 883:radial velocity 867: 849: 846:carbon monoxide 825: 784: 728: 697: 695: 687: 663: 618: 578: 540:radial velocity 532: 531: 530: 529: 528: 525: 516: 515: 514: 511: 502: 501: 500: 497: 486: 481: 378: 376: 375: 366: 364: 345: 343: 342: 340: 334: 332: 312: 309: 307:Surface gravity 292: 290: 289: 287: 284: 272: 262: 260: 248: 238: 236: 233: 202: 200: 193: 184: 182: 167: 164: 150: 142: 139: 137: 134: 112: 110:Semi-major axis 93: 87: 78:October 5, 2005 43: 28: 23: 22: 15: 12: 11: 5: 4924: 4922: 4914: 4913: 4908: 4903: 4898: 4893: 4883: 4882: 4878: 4877: 4865: 4853: 4841: 4829: 4806: 4805: 4795: 4792: 4791: 4788: 4787: 4785: 4784: 4778: 4776: 4766: 4765: 4762: 4761: 4759: 4758: 4752: 4750: 4746: 4745: 4743: 4742: 4737: 4731: 4729: 4720: 4714: 4713: 4710: 4709: 4707: 4706: 4701: 4696: 4690: 4688: 4678: 4677: 4674: 4673: 4671: 4670: 4665: 4660: 4654: 4652: 4642: 4641: 4638: 4637: 4635: 4634: 4629: 4623: 4621: 4611: 4610: 4607: 4606: 4604: 4603: 4598: 4593: 4588: 4583: 4581:PSR J2007+2722 4578: 4576:PSR J1946+2052 4573: 4568: 4563: 4558: 4553: 4548: 4543: 4538: 4533: 4528: 4523: 4517: 4515: 4511: 4510: 4508: 4507: 4502: 4497: 4492: 4487: 4482: 4477: 4472: 4466: 4464: 4458: 4457: 4455: 4454: 4449: 4444: 4439: 4434: 4429: 4424: 4419: 4414: 4409: 4404: 4399: 4394: 4389: 4384: 4379: 4374: 4369: 4364: 4359: 4354: 4349: 4344: 4339: 4334: 4329: 4324: 4319: 4314: 4308: 4306: 4300: 4299: 4297: 4296: 4291: 4286: 4281: 4276: 4271: 4266: 4261: 4256: 4251: 4246: 4241: 4236: 4231: 4226: 4221: 4216: 4211: 4206: 4201: 4196: 4191: 4186: 4181: 4176: 4171: 4166: 4161: 4156: 4151: 4146: 4141: 4136: 4131: 4126: 4121: 4116: 4111: 4106: 4101: 4095: 4093: 4087: 4086: 4084: 4083: 4076: 4071: 4066: 4061: 4056: 4051: 4046: 4041: 4036: 4031: 4026: 4021: 4016: 4011: 4006: 4001: 3996: 3991: 3986: 3981: 3976: 3971: 3966: 3961: 3956: 3951: 3946: 3941: 3936: 3931: 3926: 3921: 3916: 3910: 3908: 3902: 3901: 3899: 3898: 3892: 3890: 3881: 3875: 3874: 3872: 3871: 3866: 3860: 3857: 3856: 3851: 3849: 3848: 3841: 3834: 3826: 3820: 3819: 3777: 3775: 3763:10.1086/503358 3739:(1): 560–564. 3728: 3707: 3695:10.1086/527320 3671:(1): L83–L86. 3658: 3657:External links 3655: 3652: 3651: 3598: 3532: 3470: 3431:(1): L37-L41. 3410: 3353: 3300: 3241: 3182: 3129: 3076: 3047: 3022: 2969: 2948: 2891: 2838: 2772: 2747: 2716: 2691: 2665: 2650: 2611: 2598:10.1086/527475 2574:(1): L87–L90. 2558: 2519:(1): 109–118. 2497: 2444: 2431:10.1086/528370 2387: 2375: 2322: 2260: 2241: 2193: 2150:(2): L83–L86. 2128: 2104: 2079: 2017: 1955: 1894: 1857: 1844:10.1086/527320 1820:(1): L83–L86. 1804: 1783: 1755: 1693: 1638: 1580: 1515: 1443: 1412:(1): 941–950. 1390: 1335: 1280: 1217: 1156: 1123:(1): L15–L19. 1097: 1096: 1094: 1091: 1089: 1088: 1083: 1078: 1073: 1066: 1061: 1056: 1051: 1043: 1041: 1038: 1005: 1002: 990:active regions 961: 958: 907: 873:, shifting in 866: 863: 824: 821: 783: 780: 727: 724: 694: 691: 686: 685:X-ray spectrum 683: 661: 617: 614: 577: 574: 526: 519: 518: 517: 512: 505: 504: 503: 498: 491: 490: 489: 488: 487: 485: 482: 480: 477: 459:In July 2014, 454:carbon dioxide 389: 388: 385: 384: 362: 356: 355: 330: 324: 323: 310: 305: 302: 301: 285: 279: 276: 275: 270: 258: 252: 251: 246: 234: 229: 226: 225: 221: 220: 215: 211: 210: 198: 195:Semi-amplitude 190: 189: 180: 174: 173: 165: 159: 156: 155: 135: 130: 127: 126: 123: 117: 116: 113: 108: 105: 104: 98: 97: 88: 83: 80: 79: 76: 72: 71: 66: 60: 59: 56: 50: 49: 45: 44: 41: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 4923: 4912: 4909: 4907: 4904: 4902: 4899: 4897: 4894: 4892: 4889: 4888: 4886: 4876: 4866: 4864: 4854: 4852: 4842: 4840: 4835: 4830: 4828: 4818: 4814: 4803: 4793: 4783: 4780: 4779: 4777: 4775: 4771: 4767: 4757: 4754: 4753: 4751: 4747: 4741: 4738: 4736: 4733: 4732: 4730: 4728: 4724: 4721: 4719: 4715: 4705: 4702: 4700: 4697: 4695: 4692: 4691: 4689: 4687: 4683: 4679: 4669: 4666: 4664: 4661: 4659: 4656: 4655: 4653: 4651: 4650:Star clusters 4647: 4643: 4633: 4630: 4628: 4625: 4624: 4622: 4620: 4616: 4612: 4602: 4601:SGR 1935+2154 4599: 4597: 4596:XTE J1859+226 4594: 4592: 4589: 4587: 4584: 4582: 4579: 4577: 4574: 4572: 4569: 4567: 4564: 4562: 4559: 4557: 4554: 4552: 4549: 4547: 4544: 4542: 4539: 4537: 4534: 4532: 4529: 4527: 4524: 4522: 4519: 4518: 4516: 4512: 4506: 4503: 4501: 4498: 4496: 4493: 4491: 4488: 4486: 4483: 4481: 4478: 4476: 4473: 4471: 4468: 4467: 4465: 4463: 4459: 4453: 4450: 4448: 4445: 4443: 4440: 4438: 4435: 4433: 4430: 4428: 4425: 4423: 4420: 4418: 4415: 4413: 4410: 4408: 4405: 4403: 4400: 4398: 4395: 4393: 4390: 4388: 4385: 4383: 4380: 4378: 4375: 4373: 4370: 4368: 4365: 4363: 4360: 4358: 4355: 4353: 4350: 4348: 4345: 4343: 4340: 4338: 4335: 4333: 4330: 4328: 4325: 4323: 4320: 4318: 4315: 4313: 4310: 4309: 4307: 4305: 4301: 4295: 4292: 4290: 4287: 4285: 4282: 4280: 4277: 4275: 4272: 4270: 4267: 4265: 4262: 4260: 4257: 4255: 4252: 4250: 4247: 4245: 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Index

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Discovery site
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Detection method
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d
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Mean radius
RJ
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density
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