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Star in the constellation Sagittarius From Wikipedia, the free encyclopedia
OGLE-TR-10 is a distant, magnitude 16 star in the constellation of Sagittarius. It is located near the Galactic Center.[2] This star is listed as an eclipsing type variable star with the eclipse due to the passage of the planet as noted in the discovery papers.[4]
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Sagittarius |
Right ascension | 17h 51m 28.2594s[1] |
Declination | −29° 52′ 35.231″[1] |
Apparent magnitude (V) | 15.780[2] |
Characteristics | |
Spectral type | G2V[2] |
Apparent magnitude (V[2]) | 15.780 |
Apparent magnitude (I[2]) | 14.92 |
Variable type | planetary transit variable[3] |
Astrometry | |
Proper motion (μ) | RA: 0.208(63) mas/yr[1] Dec.: −5.284(40) mas/yr[1] |
Parallax (π) | 0.8016 ± 0.0394 mas[1] |
Distance | 4,100 ± 200 ly (1,250 ± 60 pc) |
Absolute magnitude (MV) | 4.32 |
Details | |
Mass | 1.18 ± 0.04 M☉ |
Radius | 1.15 ± 0.01 R☉ |
Metallicity [Fe/H] | 0.12 dex |
Age | >1.1 Gyr |
Other designations | |
V5125 Sagittarii, SBC9 2452 | |
Database references | |
SIMBAD | data |
This star is home to OGLE-TR-10b, a transiting planet found by the Optical Gravitational Lensing Experiment (OGLE) survey in 2002.[4][5]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | 0.63 ±0.14 MJ | 0.04162 ±0.00004 | 3.10129 ±0.00001 | 0 | — | — |
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