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HD 48265 b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 48265</td></tr><tr> <td colspan="2">Constellation</td> <td>Puppis</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>06h 40m 01.7270s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>–48° 32′ 31.039″</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>285 ly
(87.4 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>G5V</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>1.6 AU
(240 Gm)</td></tr><tr><td> </td> <td style="text-align: center"> </td> <td>18 mas</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>1.2 AU
(180 Gm)</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>2.0 AU
(300 Gm)</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.24 ± 0.1</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>762 ± 50 d
(2.09 ± 0.14 y)</td></tr><tr> <td>Orbital speed</td> <td style="text-align: center">(υ)</td> <td>23 km/s</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>289 ± 50°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2,452,892 ± 100 JD</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>1.2 MJ
(380 M)</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>October 29, 2008</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Minniti 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</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr>

Other designations
HIP 31895 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 48265 b is an extrasolar planet located approximately 285 light-years away in the constellation of Puppis, orbiting the 8th magnitude G-type main sequence star HD 48265. This planet has a minimum mass of 1.2 times that of Jupiter. Because the inclination is not known, the true mass is not known. This planet orbits at a distance of 1.6 AU with an orbital eccentricity of 0.24.

See also Edit

References Edit

External links Edit

Coordinates: Sky map 06h 40m 01.7270s, −48° 32′ 31.039″


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