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COROT-4b
Extrasolar planet List of extrasolar planets
300px
Size comparison of COROT-4b with Jupiter.
Parent star

<tr> <td colspan="2">Star</td> <td>COROT-4</td></tr><tr> <td colspan="2">Constellation</td> <td>Monoceros</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>06h 48m 46.70s[1]</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>−00° 40′ 21.97″[1]</td></tr><tr><td colspan="2">Spectral type</td> <td>F0V[2]</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>0.090 ± 0.001[3] AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.0 ± 0.1[3]</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>9.20205 ± 0.00037[3] d</td></tr><tr> <td>Inclination</td> <td style="text-align: center">(i)</td> <td>90[1]°</td></tr><tr> <td>Time of transit</td> <td style="text-align: center">(Tt)</td> <td>2454141.36416 ± 0.00089[1] JD</td></tr>

Physical characteristics

<tr><td>Mass</td><td style="text-align: center">(m)</td><td>0.72 ± 0.08[3] MJ</td></tr><tr><td>Radius</td><td style="text-align: center">(r)</td><td>1.17+0.06
−0.05
[3] Template:Jupiter radius</td></tr><tr><td>Density</td><td style="text-align: center">(ρ)</td><td>525 ± 15[3] kg m-3</td></tr><tr> <td>Temperature</td> <td style="text-align: center">(T)</td> <td>1074 ± 19[3] K</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>2008</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Corot mission</td></tr><tr> <td colspan="2">Discovery method</td> <td>Transit method</td></tr><tr> <td colspan="2">Discovery site</td> <td>Earth's orbit</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr>

COROT-4b (formerly known as COROT-Exo-4b[4]) is an extrasolar planet orbiting the star COROT-4. It is probably in synchronous orbit with stellar rotation.[1] It was discovered by the French COROT mission in 2008.

References Edit

  1. 1.0 1.1 1.2 1.3 1.4 S. Aigrain et al. (2008). Transiting exoplanets from the CoRoT space mission IV. CoRoT-Exo-4b: a transiting planet in a 9.2 day synchronous orbit. Astronomy and Astrophysics 488 (2): L43–L46.
  2. Schneider, J.. Notes for star CoRoT-4. The Extrasolar Planets Encyclopaedia. Retrieved 2009-03-19.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Moutou, C. et al. (2008). Transiting exoplanets from the CoRoT space mission. V. CoRoT-Exo-4b: stellar and planetary parameters. Astronomy and Astrophysics 488 (2): L47–L50.
  4. Template:Cite mailing list

External links Edit

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Coordinates: Sky map 06h 48m 46.70s, −00° 40′ 21.97″


de:Extrasolarer Planet#CoRoT-4 b

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