HD 23596

HD 23596
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[1] mas
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
	BD+40º835, HIP 17747, SAO 39110
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]

The HD 23596 planetary system[3]
Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	>8.10 M_J	2.88	1565 ± 21	0.292 ± 0.023	—	—

References

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.
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.
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.

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[Gaia_DR2-1] 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.

[Bonfanti2015-2] 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.

[Perrier2003-3] 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.