GSC 03089-00929
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Hercules |
| Right ascension | 17h 52m 07.020s[1] |
| Declination | +37° 42′ 46.18″[1] |
| Apparent magnitude (V) | 12.4 |
| Characteristics | |
| Spectral type | G |
| Apparent magnitude (B) | 13.114 ±0.009[1] |
| Apparent magnitude (V) | 12.402 ±0.006[1]
http.appmag_4_15.609±0.002[1] |
| Apparent magnitude (I) | 11.603000 ±0.010[1] |
| Apparent magnitude (J) | 11.015 ±0.022[1] |
| Apparent magnitude (H) | 10.655000 ±0.030[1] |
| Apparent magnitude (K) | 10.608000 ±0.028[1] |
| Variable type | V*(1SWASP)[1][2] |
| Astrometry | |
| Proper motion (μ) | RA: -22.5[1] mas/yr Dec.: 32.0[1] mas/yr |
| Distance | 1300 ± 600 ly (400 ± 200 pc) |
| Details | |
| Mass | 0.924 (−0.04+0.012) M☉ |
| Temperature | 5720 ± 150 K |
| Metallicity | -0.19 ± 0.08 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Extrasolar Planets Encyclopaedia | data |
GSC 03089-00929 is a magnitude 12 star located approximately 1300 light-years away in the constellation of Hercules. This star is a G type main sequence star that is similar to but slightly cooler than our sun.[1] This star is identified in SIMBAD as a variable star per the 1SWASP survey.[3]
Planetary system
In 2007 the TrES program found exoplanet TrES-3b orbiting this star by using the transit method.[4]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| TrES-3b | 1.92 ± 0.23 MJ | 0.0226 ± 0.0013 | 1.30619 ± 0.00005 | 0 | — | — |
See also
References
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 "SIMBAD query result: NAME TrES-3 Parent Star -- Star". Centre de Données astronomiques de Strasbourg. Retrieved 2009-04-23.
- ↑ Lister el al; West, R. G.; Wilson, D. M.; Collier Cameron, A.; Clarkson, W. I.; Street, R. A.; Enoch, B.; Parley, N. R.; et al. (June 30, 2007). "SuperWASP-North extrasolar planet candidates: candidates from fields 17h<RA<18h". Monthly Notices of the Royal Astronomical Society. 379 (2): 647–662. arXiv:0705.2603
. Bibcode:2007MNRAS.379..647L. doi:10.1111/j.1365-2966.2007.11948.x. - ↑ "Objects in reference 2007MNRAS.379..647L". Centre de Données astronomiques de Strasbourg. Retrieved 2009-05-03.
- ↑ O'Donovan, Francis T.; Charbonneau, David; Bakos, Gáspár Á.; Mandushev, Georgi; Dunham, Edward W.; Brown, Timothy M.; Latham, David W.; Torres, Guillermo; et al. (July 1, 2007). "TrES-3: A Nearby, Massive, Transiting Hot Jupiter in a 31-Hour Orbit". Astrophysical Journal Letters. 663 (1): L37–L40. arXiv:0705.2004. Bibcode:2007ApJ...663L..37O. doi:10.1086/519793.
External links
- Massive Transiting Planet With 31-hour Year Found Around Distant Star
- TrES-3 light curve using differential photometry
- "TrES-3". Exoplanets. Retrieved 2009-04-28.
Coordinates: 
17h 52m 07s, +37° 32′ 46″
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