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HD 45364 c
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 45364</td></tr><tr> <td colspan="2">Constellation</td> <td>Canis Major</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>06h 25m 38.48s[1]</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>−31° 28′ 51.4″[1]</td></tr><tr> <td>Apparent magnitude</td> <td style="text-align: center">(mV)</td> <td>8.07</td></tr><tr><td colspan="2">Distance</td><td>107 ± 2[1] ly
(32.7 ± 0.7[1] pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>G9V</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>0.8972 AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>0.8098 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>0.9846 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.0974 ± 0.012</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>342.85 ± 0.28 d
(0.93866 ± 0.00077 y)</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>7.41 ± 4.3°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2453500 JD</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>0.6579 MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>August 8, 2008</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Correia et al.[2]</td></tr><tr> <td colspan="2">Discovery method</td> <td>Doppler spectroscopy
using HARPS</td></tr><tr> <td colspan="2">Discovery site</td> <td>La Silla Observatory</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published[2]</td></tr> <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 45364 c is an extrasolar planet located approximately 107 light years away[1] in the constellation of Canis Major, orbiting the eighth magnitude G-type main sequence star HD 45364. This planet is located in a 3:2 orbital resonance with HD 45364 b. It has a minimum mass 3.5 times more massive than HD 45364 b, or 66% that of Jupiter. Its orbit takes 343 days, which is 22 days less than the Earth’s. Its eccentricity is similar to Mars, in which the orbital distance ranges from 0.81 to 0.98 astronomical units.[2] This planet was discovered by HARPS on August 8, 2008, the same day as the planet HD 45364 b.

References Edit

Coordinates: Sky map 06h 25m 38s, −31° 28′ 51″


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