Xi Andromedae

Not to be confused with 11 Andromedae. For Andromeda's satellite galaxy, see Andromeda XI.
Xi Andromedae
Diagram showing star positions and boundaries of the Andromeda constellation and its surroundings
Location of ξ Andromedae (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 01h 22m 20.42008s[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 (Rv)–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]
Distance223 ± 2 ly
(68.5 ± 0.5 pc)
Absolute magnitude (MV)0.550[5]
Details
Mass2.5[5] M☉
Radius10[6] R☉
Luminosity45.7[6] L☉
Surface gravity (log g)2.8[6] cgs
Temperature4,656[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
SIMBADdata

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]

  1. ^ a b c d e f Cite error: The named reference Gaia EDR3 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference clpl4 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference mnras389_2_869 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference aaa430_165 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference aaa456_3_1109 was invoked but never defined (see the help page).
  6. ^ a b c d e f Cite error: The named reference aj135_1_209 was invoked but never defined (see the help page).
  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.
  8. ^ "Naming Stars". IAU.org. Retrieved 18 June 2018.