Xi Andromedae information

Xi Andromedae
	Location of ξ Andromedae (circled)
Observation data; Epoch J2000 Equinox J2000
Constellation	Andromeda
Right ascension	01h 22m 20.42008s
Declination	+45° 31′ 43.5962″
Apparent magnitude (V)	+4.90
Characteristics
Spectral type	K0 IIIb
U−B color index	+0.98
B−V color index	+1.08
Astrometry
Radial velocity (Rv)	–12.59 km/s
Proper motion (μ)	RA: 31.681(102) mas/yr ; Dec.: 9.024(88) mas/yr
Parallax (π)	14.6042 ± 0.1028 mas
Distance	223 ± 2 ly ; (68.5 ± 0.5 pc)
Absolute magnitude (MV)	0.550
Details
Mass	2.5 M☉
Radius	10 R☉
Luminosity	45.7 L☉
Surface gravity (log g)	2.8 cgs
Temperature	4,656 K
Metallicity [Fe/H]	+0.03 dex
Rotational velocity (v sin i)	0.0 km/s
Other designations
	Adhil, 46 Andromedae, BD+44 287, FK5 1035, HD 8207, HIP 6411, HR 390, SAO 37155, PPM 43919
Database references
SIMBAD	data

Xi Andromedae (ξ Andromedae, abbreviated Xi And, ξ And), officially named Adhil /əˈdɪl/,^[7]^[8] is a solitary^[3] star in the northern constellation of Andromeda. It has an apparent magnitude of +4.9.^[2] Based on parallax measurements obtained during the Gaia mission, it lies at a distance of roughly 223 light-years (68 parsecs) from the Sun.^[1]

^ ^a ^b ^c ^d ^e ^f Cite error: The named reference Gaia EDR3 was invoked but never defined (see the help page).
^ ^a ^b ^c ^d Cite error: The named reference clpl4 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference mnras389_2_869 was invoked but never defined (see the help page).
^ Cite error: The named reference aaa430_165 was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference aaa456_3_1109 was invoked but never defined (see the help page).
^ ^a ^b ^c ^d ^e ^f Cite error: The named reference aj135_1_209 was invoked but never defined (see the help page).
^ Kunitzsch, Paul; Smart, Tim (2006). A Dictionary of Modern star Names: A Short Guide to 254 Star Names and Their Derivations (2nd rev. ed.). Cambridge, Massachusetts: Sky Pub. ISBN 978-1-931559-44-7.
^ "Naming Stars". IAU.org. Retrieved 18 June 2018.

[Gaia_EDR3-1] ^ ^a ^b ^c ^d ^e ^f Cite error: The named reference Gaia EDR3 was invoked but never defined (see the help page).

[clpl4-2] Cite error: The named reference clpl4 was invoked but never defined (see the help page).

[mnras389_2_869-3] Cite error: The named reference mnras389_2_869 was invoked but never defined (see the help page).

[aaa430_165-4] Cite error: The named reference aaa430_165 was invoked but never defined (see the help page).

[aaa456_3_1109-5] Cite error: The named reference aaa456_3_1109 was invoked but never defined (see the help page).

[aj135_1_209-6] ^ ^a ^b ^c ^d ^e ^f Cite error: The named reference aj135_1_209 was invoked but never defined (see the help page).

[Kunitzsch-7] Kunitzsch, Paul; Smart, Tim (2006). A Dictionary of Modern star Names: A Short Guide to 254 Star Names and Their Derivations (2nd rev. ed.). Cambridge, Massachusetts: Sky Pub. ISBN 978-1-931559-44-7.

[IAU-LSN-8] "Naming Stars". IAU.org. Retrieved 18 June 2018.

Observation data Epoch J2000 Equinox J2000
Location of ξ Andromedae (circled)
Constellation	Andromeda
Right ascension	01^h 22^m 20.42008^s^[1]
Declination	+45° 31′ 43.5962″^[1]
Apparent magnitude (V)	+4.90^[2]
Characteristics
Spectral type	K0 IIIb^[3]
U−B color index	+0.98^[2]
B−V color index	+1.08^[2]
Astrometry

Radial velocity (R_v)	–12.59^[4] km/s
Proper motion (μ)	RA: 31.681(102)^[1] mas/yr Dec.: 9.024(88)^[1] mas/yr
Parallax (π)	14.6042 ± 0.1028 mas^[1]
Distance	223 ± 2 ly (68.5 ± 0.5 pc)
Absolute magnitude (M_V)	0.550^[5]

Details

Mass	2.5^[5] `M`_☉
Radius	10^[6] `R`_☉
Luminosity	45.7^[6] `L`_☉
Surface gravity (log g)	2.8^[6] cgs
Temperature	4,656^[6] K
Metallicity [Fe/H]	+0.03^[6] dex
Rotational velocity (v sin i)	0.0^[6] km/s

Other designations
Adhil, 46 Andromedae, BD+44 287, FK5 1035, HD 8207, HIP 6411, HR 390, SAO 37155, PPM 43919
Database references
SIMBAD	data

Xi Andromedae information

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