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HD 106252 b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 106252</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 13m 29.5093s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>+10° 02′ 29.898″</td></tr><tr><td colspan="2">Distance</td><td>122.11 ly
(37.44 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>G0V</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>2.60 ± 0.15[1] AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>1.08 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>4.12 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.586 ± 0.065[1]</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>1516 ± 26[1] d
(4.151 y)</td></tr><tr> <td>Orbital speed</td> <td style="text-align: center">(υ)</td> <td>18.7 km/s</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>294.9 ± 6.2[1]°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2450385 ± 27[1] JD</td></tr><tr> <td>Semi-amplitude</td> <td style="text-align: center">(K)</td> <td>152 ± 21[1] m/s</td></tr>

Physical characteristics

<tr><td>Mass</td><td style="text-align: center">(m)</td><td>>7.10 ± 0.65[1] MJ
(>2260 M)</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>April 4, 2001[2]</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Geneva Extrasolar Planet Search</td></tr><tr> <td colspan="2">Discovery method</td> <td>radial velocity</td></tr><tr> <td colspan="2">Discovery site</td> <td>La Silla Observatory</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published[3][4]</td></tr>

Other designations
HIP 59610 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 106252 b is a large gas giant extrasolar planet at least 7 times more massive than Jupiter. It was announced in 2001 by the European Southern Observatory.[2] The discovery was confirmed by a different team using the Lick Telescope.[3]

References Edit

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 (2006). Catalog of Nearby Exoplanets. The Astrophysical Journal 646 (1): 505–522.
  2. 2.0 2.1 Script error
  3. 3.0 3.1 (2002). Planetary Companions to HD 136118, HD 50554, and HD 106252. Publications of the Astronomical Society of the Pacific 114 (795): 529–535.
  4. (2003). The ELODIE survey for northern extra-solar planets. I. Six new extra-solar planet candidates. Astronomy and Astrophysics 410 (3): 1039–1049.

External links Edit

Coordinates: Sky map 12h 13m 29.5093s, +10° 02′ 29.898″


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