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SWEEPS-11
Extrasolar planet List of extrasolar planets
300px
Size comparison of SWEEPS-11 with Jupiter.
Parent star

<tr> <td colspan="2">Star</td> <td>SWEEPS J175902.67−291153.5</td></tr><tr> <td colspan="2">Constellation</td> <td>Sagittarius</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>17h 59m 02.67s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>−29° 11′ 53.5″</td></tr><tr> <td>Apparent magnitude</td> <td style="text-align: center">(mV)</td> <td>19.83</td></tr><tr><td colspan="2">Distance</td><td>22000 ly
(6600 pc)</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>0.03 AU</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>1.796 d</td></tr><tr> <td>Inclination</td> <td style="text-align: center">(i)</td> <td>>84°</td></tr>

Physical characteristics

<tr><td>Mass</td><td style="text-align: center">(m)</td><td>9.7±5.6 MJ</td></tr><tr><td>Radius</td><td style="text-align: center">(r)</td><td>1.13±0.21 Template:Jupiter radius</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>October 4, 2006</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Sahu et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>Transit</td></tr><tr> <td colspan="2">Discovery status</td> <td>Confirmed</td></tr>

SWEEPS-11 is an extrasolar planet orbiting the star SWEEPS J175902.67−291153.5 in the constellation Sagittarius approximately 22000 light years away from the Solar System (based on a distance modulus of 14.1). This planet was found in 2006 by the Sagittarius Window Eclipsing Extrasolar Planet Search (SWEEPS) program that uses transit method.

This hot Jupiter has a mass 9.7 times that of Jupiter and a radius of 1.13 times Jupiter. The planet orbits at about 1.75 times closer to the star than 51 Pegasi b is to 51 Pegasi, taking only 1.8 days or 43 hours to revolve around the star.

See alsoEdit

ReferencesEdit

External linksEdit

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Coordinates: Sky map 17h 59m 02.67s, −29° 11′ 53.5″


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