Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>MOA-2008-BLG-310L</td></tr><tr> <td colspan="2">Constellation</td> <td>Scorpius</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>17h 54m 14.53s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>–34° 46′ 41.0″</td></tr><tr> <td>Apparent magnitude</td> <td style="text-align: center">(mV)</td> <td>23.38</td></tr><tr><td colspan="2">Distance</td><td>>20000 ly
(>6000 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>late K?</td></tr> <tr style="background-color: #A0B0FF;"><td colspan="3" align=center>Observed separation</td></tr><tr> <td>Projected separation</td> <td style="text-align: center">(d)</td> <td>1.25 ± 0.1 AU</td></tr>

Physical characteristics

<tr><td>Mass</td><td style="text-align: center">(m)</td><td>0.23 ± 0.05 MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>August 4, 2009</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Janczak et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>gravitational microlensing</td></tr><tr> <td colspan="2">Discovery site</td> <td>Paranal Observatory</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr> <tr style="background-color: #A0B0FF;"><td align=center colspan=3>Database references</td></tr><tr valign=baseline><td colspan=2>Extrasolar Planets
</td><td>data</td></tr><tr><td colspan=2>SIMBAD</td><td>data</td></tr>

MOA-2008-BLG-310Lb is an extrasolar planet which orbits probably the late K-type star MOA-2008-BLG-310L, located at least 20000 light years away in the constellation Scorpius. This planet has mass 23% of Jupiter or 77% of Saturn and orbits at 1.25 AU from the star. This planet was discovered by using the gravitational microlensing method on August 4, 2009. As it is typical for exoplanets detected by microlensing method, the orbital period and eccentricity are not determined.

See also Edit

References Edit

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