HD 23596
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Perseus |
| Right ascension | 03h 48m 00.374s[1] |
| Declination | +40° 31′ 50.29″[1] |
| Apparent magnitude (V) | 7.24 |
| Characteristics | |
| Spectral type | F8 |
| Astrometry | |
| Proper motion (μ) | RA: 53.95 ± 0.48[1] mas/yr Dec.: 21.12 ± 0.42[1] mas/yr |
| Parallax (π) | 19.83 ± 0.49[1] mas |
| Distance | 164 ± 4 ly (50 ± 1 pc) |
| Details | |
| Other designations | |
HD 23596 is a 7th magnitude star approximately 164 light years away[1] in the constellation Perseus. The visual luminosity of the star is 1.71 times greater than our Sun. 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.[2]
| 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
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 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
- ↑ 2.0 2.1 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.
External links
- "Notes for star HD 23596". The Extrasolar Planet Encyclopaedia.
- "HD 23596 – Star". SIMBAD.
Coordinates: 
03h 48m 00.3739s, +40° 31′ 50.287″
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