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Chi Virginis b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>Chi Virginis</td></tr><tr> <td colspan="2">Constellation</td> <td>Virgo</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>12h 39m 14.7669s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>–07° 59′ 44.032″</td></tr><tr> <td>Apparent magnitude</td> <td style="text-align: center">(mV)</td> <td>4.657</td></tr><tr><td colspan="2">Distance</td><td>293.5 ± 7.5 ly
(90 ± 2.3 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>K2III</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>2.14 ± 0.03 AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>1.15 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>3.13 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.462 ± 0.069</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>835.477 ± 6 d
(2.28737 ± 0.016 y)</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>290.6 ± 3.8°</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>11.09 ± 1 MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>July 2009</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>De Medeiros et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>radial velocity</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr>

Other designations
HD 110014 b

<tr style="background-color: #A0B0FF;"><td align=center colspan=3>Database references</td></tr><tr valign=baseline><td colspan=2>Extrasolar Planets
Encyclopaedia
</td><td>data</td></tr><tr><td colspan=2>SIMBAD</td><td>data</td></tr>

Chi Virginis b (also known as HD 110014 b) is an extrasolar planet which orbits the K-type giant star Chi Virginis, located approximately 294 light years away in the constellation Virgo. This planet has mass at least 11 times that of Jupiter and takes 835 days to orbit the star twice the distance as Earth from the Sun. This planet was discovered in July 2009 using the radial velocity method.

See also Edit

References Edit


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