HD 23596
Appearance
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Perseus |
Right ascension | 03h 48m 00.3744s[1] |
Declination | +40° 31′ 50.3005″[1] |
Apparent magnitude (V) | 7.24 |
Characteristics | |
Spectral type | F8 |
Astrometry | |
Proper motion (μ) | RA: 53.007±0.075[1] mas/yr Dec.: 21.310±0.050[1] mas/yr |
Parallax (π) | 19.2012 ± 0.0376 mas[1] |
Distance | 169.9 ± 0.3 ly (52.1 ± 0.1 pc) |
Details | |
Mass | 1.2 ± 0.04[2] M☉ |
Radius | 1.53 ± 0.04[2] R☉ |
Luminosity | 2.63 ± 0.03[2] L☉ |
Surface gravity (log g) | 4.14 ± 0.03[2] cgs |
Temperature | 5953 ± 48[2] K |
Age | 5.0 ± 0.7[2] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
HD 23596 is a 7th magnitude star approximately 170 light years away in the constellation Perseus. The visual luminosity of the star is 2.63 times greater than our Sun.[2] HD 23596 dwarfs the Sun is terms of physical properties; including mass, radius, age, metallicity, and temperature. The spectrum of the star is F8.
Planetary system
In June 2002, a massive long-period planet orbiting the star was announced.[3]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | >8.10 MJ | 2.88 | 1565 ± 21 | 0.292 ± 0.023 | — | — |
References
- ^ a b c d e Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ a b c d e f g 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. S2CID 54555839.
- ^ a b Perrier, C.; et al. (2003). "The ELODIE survey for northern extra-solar planets. I. Six new extra-solar planet candidates". Astronomy and Astrophysics. 410 (3): 1039–1049. arXiv:astro-ph/0308281. Bibcode:2003A&A...410.1039P. doi:10.1051/0004-6361:20031340. S2CID 6946291.
External links
- "Notes for star HD 23596". The Extrasolar Planet Encyclopaedia.
- "HD 23596". SIMBAD. Centre de données astronomiques de Strasbourg.