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HD 111232 b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 111232</td></tr><tr> <td colspan="2">Constellation</td> <td>Musca</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>12h 48m 51.7543s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>−68° 25′ 30.544″</td></tr><tr><td colspan="2">Distance</td><td>95 ly
(29 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>G8V</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>1.97 AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>1.57 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>2.36 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.2±0.01</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>1143±14 d
(3.129 y)</td></tr><tr> <td>Orbital speed</td> <td style="text-align: center">(υ)</td> <td>18.8 km/s</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>98±6°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2451230±20 JD</td></tr><tr> <td>Semi-amplitude</td> <td style="text-align: center">(K)</td> <td>159.3±2.3 m/s</td></tr>

Physical characteristics

<tr><td>Mass</td><td style="text-align: center">(m)</td><td>>6.84 MJ
(>2170 M)</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>30 June 2003</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Mayor et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>Doppler Spectroscopy
(CORALIE)</td></tr><tr> <td colspan="2">Discovery site</td> <td>La Silla Observatory, Chile</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr>

Other designations
HIP 62534 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>

HD 111232 b is an extrasolar planet that orbits almost 2 AU with a mass of at least 6.8 times that of Jupiter. This planet was discovered in the La Silla Observatory by Michel Mayor using the CORALIE spectrograph on 30 June 2003, along with six other planets, including HD 41004 Ab, HD 65216 b, HD 169830 c, HD 216770 b, HD 10647 b, and HD 142415 b.[1]

References Edit

External links Edit

Coordinates: Sky map 12h 48m 51.7543s, −68° 25′ 30.544″

Template:Musca


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