HD 45652
| Observation data Epoch J2000.0 (ICRS) Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Monoceros |
| Right ascension | 06h 29m 13.1917s[1] |
| Declination | +10° 56′ 02.009″[1] |
| Apparent magnitude (V) | 8.13[1] |
| Characteristics | |
| Spectral type | G8-K0[2] |
| B−V color index | 0.85[1] |
| V−R color index | 0.5[1] |
| R−I color index | 0.4[1] |
| Astrometry | |
| Proper motion (μ) | RA: 206.14[1] mas/yr Dec.: −62.69[1] mas/yr |
| Parallax (π) | 27.67 ± 1.29[1] mas |
| Distance | 118 ± 5 ly (36 ± 2 pc) |
| Absolute magnitude (MV) | 5.3[3] |
| Details | |
| Mass | 0.83 ± 0.05[2] M☉ |
| Surface gravity (log g) | 4.32 ± 0.21[2] cgs |
| Temperature | 5312 ± 68[2] K |
| Metallicity | [Fe/H] = 0.29 ± 0.07[2] |
| Age | 6.0 ± 2.9[4] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 45652 is a G8-K0 star located in the constellation Monoceros.[2] It is approximately 118 light years (36 parsecs) from Earth with apparent magnitude 8.13.[1]
In May 2008, the discovery of an extrasolar planet, HD 45652 b, orbiting the star was announced. The planet was detected by the radial velocity method, using observations made from 2005 to 2007.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >0.47 MJ | 0.23 | 43.6 ± 0.2 | 0.38 ± 0.06 | — | — |
References
- 1 2 3 4 5 6 7 8 9 10 11 NLTT 16570, entry, SIMBAD. Accessed on line June 13, 2008.
- 1 2 3 4 5 6 7 8 Santos; et al. (2008). "ELODIE metallicity-biased search for transiting Hot Jupiters V. An intermediate-period Jovian planet orbiting HD 45652" (abstract). Astronomy and Astrophysics. 487 (1): 369–372. arXiv:0805.1019
. Bibcode:2008A&A...487..369S. doi:10.1051/0004-6361:200809402. (web preprint) - ↑ From parallax and apparent magnitude.
- ↑ Bonfanti, A.; et al. (2015). "Revising the ages of planet-hosting stars". Astronomy and Astrophysics. 575. A18. arXiv:1411.4302. Bibcode:2015A&A...575A..18B. doi:10.1051/0004-6361/201424951.
External links
- "Notes for star HD 45652". The Extrasolar Planets Encyclopaedia.
- "NLTT 16570 -- High proper-motion Star". SIMBAD.
Coordinates: 
06h 29m 13.1917s, +10° 56′ 02.009″
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