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HD 183263 c
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 183263</td></tr><tr> <td colspan="2">Constellation</td> <td>Aquila</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>19h 28m 24.5727s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>+08° 21′ 28.995″</td></tr><tr> <td>Apparent magnitude</td> <td style="text-align: center">(mV)</td> <td>7.86</td></tr><tr><td colspan="2">Distance</td><td>172 ly
(52.8 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>G2IV</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>4.25 ± 0.47 AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>3.17 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>5.33 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.253 ± 0.076</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>2950 ± 340 d
(8.08 y)</td></tr><tr> <td>Orbital speed</td> <td style="text-align: center">(υ)</td> <td>15.7 km/s</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>339.6 ± 9.1°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2451910 ± 120 JD</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>3.82 ± 0.59 MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>December 8, 2008</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Wright et al.[1]</td></tr><tr> <td colspan="2">Discovery method</td> <td>Doppler spectroscopy</td></tr><tr> <td colspan="2">Discovery site</td> <td>Lick and Keck Observatories</td></tr><tr> <td colspan="2">Discovery status</td> <td>Confirmed</td></tr>

Other designations
HIP 95740 c

<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 183263 c is an exoplanet orbiting approximately 4.25 AU from the parent star HD 183263. This planet was announced by Wright et al. on December 8, 2008 using multiple observations in Lick and Keck Observatories earlier in that year. This planet was calculated to have minimum mass of 3.82 times more than Jupiter and takes 8.08 years to revolve around the star. The orbital distance varies from 3.17 to 5.33 AU, corresponding to the orbital eccentricity of 0.253.[1]

See alsoEdit

ReferencesEdit

  1. 1.0 1.1 (2009). Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems. The Astrophysical Journal 693 (2): 1084–1099.

External linksEdit

Coordinates: Sky map 19h 28m 24.5727s, +08° 21′ 28.995″


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