Astronomy:HD 32963
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Taurus[1] |
| Right ascension | 05h 07m 55.76408s[2] |
| Declination | +26° 19′ 40.6750″[2] |
| Apparent magnitude (V) | 7.60[3] |
| Characteristics | |
| Spectral type | G3V[4] or G5IV[5] |
| B−V color index | 0.6[3] |
| Astrometry | |
| Radial velocity (Rv) | −62.49±0.12[2] km/s |
| Proper motion (μ) | RA: −69.896[2] mas/yr Dec.: −66.118[2] mas/yr |
| Parallax (π) | 26.1310 ± 0.0238[2] mas |
| Distance | 124.8 ± 0.1 ly (38.27 ± 0.03 pc) |
| Absolute magnitude (MV) | +4.80[1] |
| Details | |
| Mass | 1.03±0.05[5] M☉ |
| Radius | 1.1[2] R☉ |
| Luminosity | 1.1[2] L☉ |
| Surface gravity (log g) | 4.41±0.03[3] cgs |
| Temperature | 5,727±32[3] K |
| Metallicity [Fe/H] | 0.11±0.05[3] dex |
| Rotational velocity (v sin i) | 1.10[6] km/s |
| Age | 4.99+6.71 −3.55[3] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
HD 32963 is a G-type main sequence star located 124 light years away from Earth[8] in the constellation of Taurus. It has a mass of 0.94 solar masses. It is 4.99 billion years old.[9] It has one exoplanet orbiting it which was discovered using radial velocity. The exoplanet that has been named HD 32963 b is a Jupiter analogue due to its similar characteristics to the planet Jupiter such as orbit and size.[3]
Planetary system
It has one currently discovered exoplanet orbiting it named HD 32963 b. The planet orbits the star at a distance of 3.41 AU with an eccentricity of 0.07. It takes 2372 days to orbit the parent star. Its has a minimum mass of 0.7 Jupiter masses; in 2023 its inclination was measured by astrometry, showing it to have a true mass about twice that of Jupiter.[5] The orbit and size of HD 32963 b is similar to the planet Jupiter. This makes it a Jupiter analogue planet.[9][3]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (years) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 2.07+0.83 −0.64 MJ |
3.409+0.063 −0.064 |
6.483+0.064 −0.061 |
0.099±0.028 | 19.3+9.2 −5.7 or 160.7+5.7 −9.2° |
— |
References
- ↑ 1.0 1.1 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A XHIP record for this object at VizieR.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Rowan, Dominick; Meschiari, Stefano; Laughlin, Gregory; Vogt, Steven S.; Butler, R. Paul; Burt, Jennifer; Wang, Songhu; Holden, Brad et al. (Jan 2016). "The Lick-Carnegie Exoplanet Survey: HD 32963—A New Jupiter Analog Orbiting a Sun-like Star" (in en). The Astrophysical Journal 817 (2): 104. doi:10.3847/0004-637X/817/2/104. ISSN 0004-637X. Bibcode: 2016ApJ...817..104R.
- ↑ Grenier, S. et al. (June 1999). "Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS". Astronomy and Astrophysics Supplement 137: 451-456. doi:10.1051/aas:1999489. Bibcode: 1999A&AS..137..451G.
- ↑ 5.0 5.1 5.2 5.3 Xiao, Guang-Yao et al. (May 2023). "The Masses of a Sample of Radial-velocity Exoplanets with Astrometric Measurements". Research in Astronomy and Astrophysics 23 (5): 055022. doi:10.1088/1674-4527/accb7e. Bibcode: 2023RAA....23e5022X.
- ↑ Llorente De Andrés, F.; Chavero, C.; de la Reza, R.; Roca-Fàbrega, S.; Cifuentes, C. (2021). "The evolution of lithium in FGK dwarf stars. The lithium-rotation connection and the Li desert". Astronomy and Astrophysics 654. doi:10.1051/0004-6361/202141339. Bibcode: 2021A&A...654A.137L.
- ↑ "HD 32963". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+32963.
- ↑ "HD 32963 b - NASA Science" (in en-US). 2019-04-22. https://science.nasa.gov/exoplanet-catalog/hd-32963-b/.
- ↑ 9.0 9.1 Martin, Pierre-Yves (2021). "Planet HD 32963 b" (in en). https://exoplanet.eu/catalog/hd_32963_b--2494/.
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