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HD 179079 b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 179079</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 11m 09.8291s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>−02° 38′ 18.185″</td></tr><tr> <td>Apparent magnitude</td> <td style="text-align: center">(mV)</td> <td>7.96</td></tr><tr><td colspan="2">Distance</td><td>207.7 ly
(63.69 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>G5IV</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>0.11 AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>0.10 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>0.12 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.115 ± 0.087</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>14.476 ± 0.011 d
(0.039632 ± 0.000238 y)</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>357 ± 62°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2454400.5 ± 2.4 JD</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>0.08 MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>August 12, 2009</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Valenti et al.[1]</td></tr><tr> <td colspan="2">Discovery method</td> <td>Radial velocity</td></tr><tr> <td colspan="2">Discovery site</td> <td>Keck Observatory</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published[1]</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 179079 b is an extrasolar planet which orbits the G-type subgiant star HD 179079, located approximately 208 light years away in the constellation Aquila. This planet has mass only 1/12 that of Jupiter or 1.5 times Neptune. The planet orbits very close to the star, at a distance of 0.11 AU. This planet takes two weeks to revolve around the star.[1] This planet was discovered using the Keck telescopes on August 12, 2009.

References Edit

  1. 1.0 1.1 1.2 (2009). Two Exoplanets Discovered at Keck Observatory. The Astrophysical Journal 702 (2): 989–997.

Coordinates: Sky map 19h 11m 09.8291s, −02° 38′ 18.185″


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