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HD 73534 b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 73534</td></tr><tr> <td colspan="2">Constellation</td> <td>Cancer</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>08h 39m 15.8035s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>+12° 57′ 37.351″</td></tr><tr> <td>Apparent magnitude</td> <td style="text-align: center">(mV)</td> <td>8.24</td></tr><tr><td colspan="2">Distance</td><td>316.34 ly
(96.99 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>3.15 AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>3.01 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>3.29 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.046 ± 0.08</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>1800 ± 110 d
(4.9 ± 0.3 y)</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>59 ± 92°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2453120 ± 830 JD</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>1.15 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>

Other designations
HIP 42446 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 73534 b is an extrasolar planet which orbits the G-type subgiant star HD 73534, located approximately 316 light years away in the constellation Cancer. It is at least 15% more massive than Jupiter and orbits at an average distance of 3.15 AU and takes 4.9 years to complete the orbit in a nearly circular path with an eccentricity similar to Jupiter.[1] This planet was detected by radial velocity method 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 08h 39m 15.8035s, +12° 57′ 37.351″


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