211:. Despite this, it has a radius that is only 13.5% larger than the latter's. This planet has an effective temperature of 1,385 K, which classifies it as a hot Jupiter, and is denser than Jupiter, with about 4 times the density.
204:
is to the Sun. Despite that, it has a perfectly round orbit. Since the host is an active star, Qatar-4 may be destroyed by tidal waves from the star.
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This planet has a very short orbit, with only 1.8 days for it to complete an orbit around Qatar-4. The period corresponds with a separation of around
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244:"Hot Jupiters Are Destroyed by Tides While Their Host Stars Are on the Main Sequence"
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311:"Qatar Exoplanet Survey: Qatar-3b, Qatar-4b, and Qatar-5b"
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Hamer, Jacob H.; Schlaufman, Kevin C. (2019-11-01).
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186:every 1.8 days. It was discovered in 2016 by the
229:"Astronomers discover three 'Qatar' exoplanets"
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207:Qatar-4b has over five times the mass of
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200:, which is almost 20 times closer than
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309:Alsubai, Khalid; et al. (2017).
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16:Super-Jupiter orbiting Qatar-4
1:
375:Exoplanets discovered in 2016
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83:Orbital period (sidereal)
346:10.3847/1538-3881/aa6340
315:The Astronomical Journal
279:10.3847/1538-3881/ab3c56
248:The Astronomical Journal
115:Physical characteristics
53:Orbital characteristics
188:Qatar Exoplanet Survey
380:Transiting exoplanets
66:0.02803 ± 0.00048 au
337:2017AJ....153..200A
270:2019AJ....158..190H
35:Alsubai et al. 2019
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182:orbiting the star
31:Discovered by
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42:Detection method
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61:Semi-major axis
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128:1.135 ± 0.11
72:Eccentricity
165:1385 ± 50 K
161:Temperature
147:5.36 ± 0.20
122:Mean radius
98:87.5 ± 1.6°
94:Inclination
88:1.8053564 d
369:Categories
328:1606.06882
321:(4). 200.
261:1908.06998
254:(5): 190.
215:References
195:0.03
110:957±16 m/s
355:119214858
296:201103951
288:0004-6256
25:Discovery
190:(QES).
176:Qatar-4b
20:Qatar-4b
333:Bibcode
266:Bibcode
209:Jupiter
202:Mercury
184:Qatar-4
47:Transit
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351:S2CID
323:arXiv
292:S2CID
256:arXiv
178:is a
284:ISSN
142:Mass
341:doi
319:153
274:doi
252:158
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197:AU
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154:J
151:M
135:J
132:R
76:0
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