579:; Gagné, Jonathan; Popinchalk, Mark; Vos, Johanna M.; Burgasser, Adam J.; Schümann, Jörg; Schneider, Adam C.; Kirkpatrick, J. Davy; Meisner, Aaron M.; Kuchner, Marc J.; Bardalez Gagliuffi, Daniella C.; Marocco, Federico; Caselden, Dan; Gonzales, Eileen C.; Rothermich, Austin; Casewell, Sarah L.; Debes, John H.; Aganze, Christian; Ayala, Andrew; Hsu, Chih-Chun; Cooper, William J.; Smart, R. L.; Gerasimov, Roman; Theissen, Christopher A.; The Backyard Worlds: Planet 9 Collaboration (2021).
27:
663:
Phillips, Caprice L.; Faherty, Jacqueline K.; Burningham, Ben; Vos, Johanna M.; Gonzales, Eileen; Griffith, Emily J.; Merchan, Sherelyn
Alejandro; Calamari, Emily; Visscher, Channon (2024-07-01). "Retrieving Young Cloudy L-Dwarfs: A Nearby Planetary-Mass Companion BD+60 1417B and Its Isolated Red
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star with about one solar mass that is orbited by a planetary-mass object at a separation larger than 1000 astronomical units. All other systems with a separation >1000 au have a primary with <0.5 solar masses or are the stellar remnant
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mag. The spectrum of the exoplanet closely resembles objects with a suspected low surface gravity. A low surface gravity is a sign of youth for substellar objects. The researchers also found similarities with an archived
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Fukui, A.; Suzuki, D.; Koshimoto, N.; Bachelet, E.; Vanmunster, T.; Storey, D.; Maehara, H.; Yanagisawa, K.; Yamada, T.; Yonehara, A.; Hirano, T. (2019-11-01).
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Voges, W.; Aschenbach, B.; Boller, T.; Brauninger, H.; Briel, U.; Burkert, W.; Dennerl, K.; Englhauser, J.; Gruber, R.; Haberl, F.; Hartner, G. (2000-05-01).
373:
PEPSI instrument in 2023. This constrained several chemical abundances of the star, such as = 0.27 ± 0.03 dex, C/O = 0.23 ± 0.12 and Mg/Si = 1.41 ± 0.19.
521:
allows only exoplanets with a maximum mass of 13 Jupiter masses and according to current knowledge BD+60 1417b could be more massive than this limit.
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exoplanets. The object was studied in 2024 and the team concluded that the model strongly favours a cloudy model over a cloudless model. Clouds of
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absorption lines. Its age is estimated at 50-150 Million years. The star rotates with a period of 7.50 ± 0.86 days, which is seen due to evolving
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failed to detect an exoplanet around BD+60 1417. A co-moving source around the star was first spotted with the WiseView Tool by the
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and are rarely discovered with other methods. Another example of a non-transiting exoplanet discovery by an amateur is the
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from its host star. If this exoplanet has formed in this wide orbit, it is likely to have formed similar to isolated
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clouds should not form on this object. The researchers find that BD+60 1417b is spectroscopically very similar to
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BD+60 1417b is an exoplanet and it falls within their definition: An object with a minimum mass lower than 30
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713:"A Wide Planetary Mass Companion Discovered Through the Citizen Science Project Backyard Worlds: Planet 9"
581:"A Wide Planetary Mass Companion Discovered through the Citizen Science Project Backyard Worlds: Planet 9"
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The planet has an orbital period of about 95,000 years. BD+60 1417b has a large separation of 1662
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BD+60 1417b is the second directly imaged exoplanet the WISE-telescope was able to discover, after
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should form on BD+60 1417b, if it has similar chemical abundances when compared to the host star.
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and a not free-floating object with sufficient follow-up. The official working definition by the
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spectral type. The planet might be the first discovery of a directly imaged exoplanet found by a
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confirmed the presence of a young star with a planetary-mass companion around BD+60 1417.
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349:. It has a brightness of 9.37 magnitude. The star shows typical signs of youth, such as
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90Prime and DECam image of BD+60 1417 and the planet (red dot marked with a white arrow)
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738:"Kojima-1Lb Is a Mildly Cold Neptune around the Brightest Microlensing Host Star"
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Citizen
Scientists Find Young Jupiter-Like Object Missed by Previous Searches
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308:(WISE). Additional observations with optical spectroscopy of the star at the
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and was later dynamically disturbed into a higher orbit, for example by a
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The infrared spectrum of the planet shows a red L8γ-type object with
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in its atmosphere. In the near-infrared it is one of the reddest
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Wichmann, R.; Schmitt, J. H. M. M.; Hubrig, S. (2003-03-01).
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The host star BD+60 1417 is a young K0 star with a mass of 1
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citizen scientist Jörg Schümann. WiseView uses data from the
972:"Exoplanet Criteria for Inclusion in the Exoplanet Archive"
269:. Discovery of exoplanets involving amateurs are usually
477:, to the point that they call them spectroscopic twins.
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Previous direct imaging planet-searching surveys with
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686:"The Extrasolar Planet Encyclopaedia — BD+60 1417 b"
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919:Díez, Álvaro; Panfil, Miłosz; Czernia, Dominik.
369:light curve.The host star was observed with the
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829:"Rosat All-Sky Survey Faint Source Catalogue"
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921:"Orbital Period Calculator | Binary System"
637:: CS1 maint: numeric names: authors list (
935:Used inclination correction (1.26x1662 au)
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833:International Astronomical Union Circular
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996:"International Astronomical Union | IAU"
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1032:Visualisation of the BD+60 1417 system
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241:discovered in the year 2021 using the
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1063:Exoplanets detected by direct imaging
948:"BD+60 1417 | NASA Exoplanet Archive"
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249:in the system BD+60 1417, around 45
306:Wide-Field Infrared Survey Explorer
495:core accretion or disk instability
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976:exoplanetarchive.ipac.caltech.edu
952:exoplanetarchive.ipac.caltech.edu
103:(inclination correction of 1.26)
78:W1243, CWISER J124332.12+600126.2
691:Extrasolar Planets Encyclopaedia
519:International Astronomical Union
245:. BD+60 1417b is the only known
1048:Extrasolar Planet Encyclopaedia
1:
1068:Exoplanets discovered in 2021
1040:in the NASA Exoplanet Archive
1034:at the NASA exoplanet website
340:and a radius of 0.797 ±0.051
312:and infrared spectroscopy at
804:"SIMBAD basic query result"
261:, while BD+60 1417 b has a
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889:10.1051/0004-6361:20021867
868:Astronomy and Astrophysics
453:spectrum of the exoplanet
585:The Astrophysical Journal
475:WISEP J004701.06+680352.1
441:{\displaystyle J-Ks=2.72}
371:Large Binocular Telescope
228:
24:
773:10.3847/1538-3881/ab487f
742:The Astronomical Journal
616:10.3847/1538-4357/ac2499
413:discovered to date with
257:. BD+60 1417 is a young
108:Physical characteristics
880:2003A&A...399..983W
376:BD+60 1417 is the only
84:Orbital characteristics
925:www.omnicalculator.com
577:Faherty, Jacqueline K.
511:NASA Exoplanet Archive
505:Status as an exoplanet
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275:microlensing exoplanet
808:simbad.cds.unistra.fr
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271:transiting exoplanets
864:"Nearby young stars"
499:planet-planet fly-by
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1025:, press-release by
841:2000IAUC.7432....3V
764:2019AJ....158..206F
607:2021ApJ...923...48F
457:and spectra of the
389:Physical properties
42:Discovery date
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487:astronomical units
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411:substellar objects
212:Apparent magnitude
509:According to the
267:citizen scientist
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217:PanSTARRS y
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65:Designations
20:BD+60 1417 b
1044:BD+60 1417b
1038:BD+60 1417b
1000:www.iau.org
835:(7432): 3.
541:HD 106906 b
395:water vapor
321:COCONUTS-2b
235:BD+60 1417b
182:Temperature
115:Mean radius
1057:Categories
1005:2022-08-10
981:2022-08-10
957:2022-08-10
930:2022-08-14
813:2022-08-11
755:1909.11802
748:(5): 206.
722:2021-12-13
698:2021-12-13
671:2407.01694
598:2112.04678
548:References
463:forsterite
278:Kojima-1Lb
149:5.67
125:0.06
98:2094
906:122229912
898:0004-6361
849:0081-0304
790:202888719
782:0004-6256
625:245005964
591:(1): 48.
467:enstatite
424:−
363:starspots
327:Host Star
314:NASA IRTF
284:Discovery
247:exoplanet
239:exoplanet
37:Discovery
16:Exoplanet
525:See also
346:☉
337:☉
191:81
1046:in the
876:Bibcode
837:Bibcode
760:Bibcode
603:Bibcode
459:HR 8799
455:2M1207b
451:SINFONI
365:in the
359:lithium
298:Palomar
259:K0 star
251:parsecs
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694:. 1995
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471:Quartz
383:WD0806
290:Gemini
263:late-L
219:20.481
902:S2CID
786:S2CID
750:arXiv
666:arXiv
621:S2CID
593:arXiv
481:Orbit
355:ROSAT
351:x-ray
255:Earth
253:from
223:0.178
145:13.47
1027:AMNH
894:ISSN
845:ISSN
778:ISSN
639:link
465:and
436:2.72
405:and
367:TESS
357:and
296:and
294:Keck
187:1240
175:0.20
171:4.26
140:Mass
121:1.29
45:2021
884:doi
872:399
768:doi
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205:L8γ
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221:±
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155:J
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128:R
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