HD 8535
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Phoenix |
| Right ascension | 01h 23m 37.24s[1] |
| Declination | –41° 16′ 11.3″[1] |
| Apparent magnitude (V) | 7.72 |
| Characteristics | |
| Spectral type | G0V |
| Apparent magnitude (B) | 8.22 |
| Apparent magnitude (J) | 6.735 |
| Apparent magnitude (H) | 6.449 |
| Apparent magnitude (K) | 6.354 |
| B−V color index | 0.50 |
| Astrometry | |
| Radial velocity (Rv) | 2.4 km/s |
| Proper motion (μ) | RA: 58.19±0.44[1] mas/yr Dec.: −70.10±0.49[1] mas/yr |
| Parallax (π) | 19.03 ± 0.60[1] mas |
| Distance | 171 ± 5 ly (53 ± 2 pc) |
| Absolute magnitude (MV) | 3.96 |
| Details | |
| Mass | 1.17 ± 0.02[2] M☉ |
| Radius | 1.18 ± 0.02[2] R☉ |
| Luminosity | 1.85 ± 0.01[2] L☉ |
| Surface gravity (log g) | 4.36 ± 0.02[2] cgs |
| Temperature | 6200 ± 50[2] K |
| Metallicity | 0.02 |
| Age | 2.1 ± 0.9[2] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| Extrasolar Planets Encyclopaedia | data |
HD 8535 is an 8th magnitude G-type main sequence star located approximately 171 light years away in the constellation Phoenix. This star is larger, hotter, brighter, and more massive than our Sun. Also its metal content is slightly more than the Sun. In 2009, a gas giant planet was found in orbit around the star.[3]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | ≥ 0.68+0.07 −0.04 MJ |
2.45+0.04 −0.06 |
1313±28 | 0.15+0.09 −0.05 |
— | — |
See also
References
- 1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry - 1 2 3 4 5 6 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.
- 1 2 Naef, D.; et al. (2010). "The HARPS search for southern extrasolar planets XXIII. 8 planetary companions to low-activity solar-type stars". Astronomy and Astrophysics. 523. A15. arXiv:1008.4600. Bibcode:2010A&A...523A..15N. doi:10.1051/0004-6361/200913616.
Coordinates: 
01h 23m 37.2361s, −41° 16′ 11.284″
This article is issued from Wikipedia - version of the 11/12/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.