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HD 125612 c
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>0.052[2] AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.27 ± 0.12[2]</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>4.1547 ± 0.0005[2] d</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>103 ± 23[2]°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2,454,420.17 ± 0.23[2] JD</td></tr><tr> <td>Semi-amplitude</td> <td style="text-align: center">(K)</td> <td>7.2 ± 1.2[2] m/s</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>0.058[2] MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>October 19, 2009</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Segransan et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>Radial velocity (HARPS)</td></tr><tr> <td colspan="2">Discovery site</td> <td>La Silla Observatory</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published[2]</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 c is an extrasolar planet which orbits the G-type main sequence star HD 125612, located approximately 180 light years away in the constellation Virgo.[2] This planet was detected by HARPS on October 19, 2009, together with 29 other planets, including HD 125612 d.

ReferencesEdit

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


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