HD 23596

HD 23596
Observation data; Epoch J2000.0 Equinox J2000.0
Constellation	Perseus
Right ascension	03h 48m 00.3744s
Declination	+40° 31′ 50.3005″
Apparent magnitude (V)	7.24
Characteristics
Spectral type	F8
Astrometry
Proper motion (μ)	RA: 53.007±0.075 mas/yr ; Dec.: 21.310±0.050 mas/yr
Parallax (π)	19.2012 ± 0.0376 mas
Distance	169.9 ± 0.3 ly ; (52.1 ± 0.1 pc)
Details
Mass	1.2 ± 0.04 M☉
Radius	1.53 ± 0.04 R☉
Luminosity	2.63 ± 0.03 L☉
Surface gravity (log g)	4.14 ± 0.03 cgs
Temperature	5953 ± 48 K
Age	5.0 ± 0.7 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[]

^ ^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.

Coordinates: 03^h 48^m 00.3739^s, +40° 31′ 50.287″

[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] ^ ^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.

[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.

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[3]

Observation data Epoch J2000.0 Equinox J2000.0
Constellation	Perseus
Right ascension	03^h 48^m 00.3744^s^[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