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HD 125612 b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 125612</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>14h 20m 53.517s[1]</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>–17° 28′ 53.49″[1]</td></tr><tr> <td>Apparent magnitude</td> <td style="text-align: center">(mV)</td> <td>8.31</td></tr><tr><td colspan="2">Distance</td><td>180 ± 10[1] ly
(54 ± 3[1] pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>G3V[2]</td></tr><tr> <td>Mass</td> <td style="text-align: center">(m)</td> <td>1.091 ± 0.027[2] M</td></tr><tr> <td>Radius</td> <td style="text-align: center">(r)</td> <td>1.05 ± 0.08 R</td></tr><tr> <td>Temperature</td> <td style="text-align: center">(T)</td> <td>5900 ± 18[2] K</td></tr><tr> <td>Metallicity</td> <td style="text-align: center">[Fe/H]</td> <td>0.23 ± 0.014[2]</td></tr><tr> <td>Age</td> <td style="text-align: center"></td> <td><3[2] Gyr</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>1.37[2] AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.46 ± 0.01[2]</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>559.4 ± 1.3[2] d</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>41.5 ± 1.7[2]°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2,454,894.9 ± 2.5[2] JD</td></tr><tr> <td>Semi-amplitude</td> <td style="text-align: center">(K)</td> <td>79.8 ± 2.3[2] m/s</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>3.0[2] MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>April 10, 2007</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Fischer et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>Radial velocity</td></tr><tr> <td colspan="2">Discovery site</td> <td>California, USA</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published[3]</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 125612 b is an extrasolar planet which orbits the G-type main sequence star HD 125612, located approximately 180 light years away in the constellation Virgo. This planet was detected by radial velocity and published on April 10, 2007.[3]

ReferencesEdit

External links Edit

Coordinates: Sky map 14h 20m 53.5147s, −17° 28′ 53.475″ Template:HD 125612


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