OGLE-2003-BLG-235L
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OGLE-2003-BLG-235L/MOA 2003-BLG-53 or MOA 2003-BLG-53 is a planetary system 19,000 light years away, in the constellation of Sagittarius. It is composed of a red dwarf star orbitted by a planet.
Contents |
[edit] OGLE-2003-BLG-235L
Observation data Epoch J2000.0 |
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Constellation | Sagittarius |
Right ascension | 18h 05m 16.35s |
Declination | -28° 53' 42.0" |
Apparent magnitude (V) | {{{appmag_v}}} |
Distance | ~19000 ly (~5828 pc) |
Other designations | |
MOA 2003-BLG-53
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OGLE-2003-BLG-235L (also known as MOA 2003-BLG-53) is the red dwarf. In 2004 an exoplanet was found orbiting OGLE-2003-BLG-235L. It took a while for the star to be optically identified, by the Hubble Space Telescope.
[edit] OGLE-2003-BLG-235Lb
Extrasolar planet | Lists of extrasolar planets | |
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Microlensing parameters | ||
Observed separation |
(d) | ~3 AU |
Mass ratio | (q) | 0.0039+11-7 |
Impact parameter |
(u0) | 0.133 REinstein |
Einstein ring crossing time |
(tE) | 61.5 d |
Time of closest approach |
(t0) | 2452848.06 JD |
Position angle | (φ) | 223.8° |
Physical characteristics | ||
Mass | (m) | 2.7 MJ |
Radius | (r) | ? RJ |
Density | (ρ) | ? kg/m3 |
Temperature | (T) | ? K |
Discovery information | ||
Discovery date | 2004 | |
Discoverer(s) | Bond et al. | |
Detection method | Gravitational microlensing | |
Discovery status | Confirmed |
OGLE-2003-BLG-235Lb is an exoplanet discovered in 2004 by the OGLE and MOA collaborations.
[edit] References
- Bond et al. (2004). "OGLE 2003-BLG-235/MOA 2003-BLG-53: A planetary microlensing event". Astrophysical Journal 606: L155 – L158.
[edit] External links
- Notes for OGLE 2003-BLG-235
- Hubble site document 2006/38
- HST image of planetary host star
- SPACE.com: Hidden Star of Known Planet Found (Ker Than) 08 August 2006 01:01 pm ET