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Zeta Andromedae information


ζ Andromedae
Location of ζ Andromedae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Andromeda
Right ascension 00h 47m 20.32547s[1]
Declination +24° 16′ 01.8408″[1]
Apparent magnitude (V) 3.92 to 4.14[2]
Characteristics
Spectral type K1III + KV[3]
U−B color index +0.90[4]
B−V color index +1.12[4]
R−I color index +0.59[4]
Variable type ELL/RS[2]
Astrometry
Radial velocity (Rv)−24.43 ± 0.1[5] km/s
Proper motion (μ) RA: −101.17[1] mas/yr
Dec.: −81.77[1] mas/yr
Parallax (π)17.24 ± 0.26 mas[1]
Distance189 ± 3 ly
(58.0 ± 0.9 pc)
Absolute magnitude (MV)+0.14[3]
Orbit[3]
Period (P)17.769426
Semi-major axis (a)2.7 R*
Eccentricity (e)0.0
Inclination (i)65 ± 5°
Details
Aa
Mass2.6 ± 0.4[3] M
Radius15.9 ± 0.8[6] R
Luminosity95.5[3] L
Surface gravity (log g)2.8[3] cgs
Temperature4,665 ± 140[6] K
Metallicity [Fe/H]−0.30[3] dex
Rotation17.77 days[7]
Rotational velocity (v sin i)41.4 ± 0.2[3] km/s
Ab
Mass0.75[3] M
Other designations
ζ And, Zeta Andromedae, Zeta And, 34 Andromedae, 34 And, BD+23 106, CCDM J00473+2416A, FK5 27, GC 940, HD 4502, HIP 3693, HR 215, IDS 00421+2344 A, PPM 90149, SAO 74267, WDS 00473+2416A.
Database references
SIMBADdata

Zeta Andromedae (Zeta And, ζ Andromedae, ζ And) is a star system in the constellation Andromeda. It is approximately 189 light-years from Earth.

Zeta Andromedae is the star's Bayer designation. It also has the Flamsteed designation 34 Andromedae and multiple other designations in stellar catalogues.

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Zeta Andromedae

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Zeta Andromedae (Zeta And, ζ Andromedae, ζ And) is a star system in the constellation Andromeda. It is approximately 189 light-years from Earth. Zeta...

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CHARA array

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In 2013 CHARA was used to capture images showing the starspots on Zeta Andromedae, a star 181 light years away. This was the first time that images of...

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Zeta Ceti

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Zeta Ceti (ζ Ceti, abbreviated Zeta Cet, ζ Cet) is a binary star in the equatorial constellation of Cetus. It has a combined apparent visual magnitude...

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Omicron

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irregular function of both magnitude and position. Such stars include Omicron Andromedae, Omicron Ceti, and Omicron Persei. In Claudius Ptolemy's (c. 100–170)...

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List of brightest natural objects in the sky

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Alpha Ophiuchi Binary star system 2.08 Beta Ursae Minoris Star 2.10 Gamma Andromedae Quadruple star system 2.11 2.0 Beta Gruis Star 2.12 Algol Triple star...

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List of Arabic star names

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Epsilon Canis Majoris A Adhil adh-Dhayl the Tail / Annex الذيل الْذَيْل Xi Andromedae Adib adh-Dhiʼb the Wolf الذئب الْذِّئْب Alpha Draconis, "Thuban" Ain ʽAyn...

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List of nearest stars by spectral type

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Adelman, S. J. (1998-04-01). "The double-lined spectroscopic binary alpha Andromedae: orbital elements and elemental abundances". Contributions of the Astronomical...

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Bayer designation

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first three of these stars a Greek letter from both constellations: Alpha Andromedae = Delta Pegasi, Beta Tauri = Gamma Aurigae, and Nu Boötis = Psi Herculis...

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List of nearest stars

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−23° 50′ 10″ M3.5Ve 0.17 10.43 13.07 336.0266 ±0.0317 flare star Ross 248 (HH Andromedae) 10.3057 ±0.0014 And* 23h 41m 54.7s +44° 10′ 30″ M5.5Ve 0.136 12.29 14...

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Epsilon Indi

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(2001). "Modeling the Interstellar Medium-Stellar Wind Interactions of λ Andromedae and ε Indi". The Astrophysical Journal. 551 (1): 495–506. Bibcode:2001ApJ...

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Luminous blue variable

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Hubble–Sandage variables. In the 1970s, Var 83 in M33 and AE Andromedae, AF Andromedae (=Var 19), Var 15, and Var A-1 in M31 were added to the list and...

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Stellar classification

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oxide bands become present by late M. Spectral standards: M0IIIa – Beta Andromedae M2III – Chi Pegasi M1-M2Ia-Iab – Betelgeuse M2Ia – Mu Cephei ("Herschel's...

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List of brown dwarfs

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11h 18m 12s +31° 32′ 15″ 4.73 25.11 F8.5V b 37 3.98 0.06 0 1931 Upsilon Andromedae Andromeda 01h 36m 48s +41° 24′ 20″ 4.63 43.9 F8V Samh 13.98 237.7 0.822...

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List of Chinese star names

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Western constellation Comments 軍南門 Jūn Nán Mén Southern Military Gate Phi Andromedae Andromeda A single-star asterism within the Legs mansion. 玄戈 Xuán Gē Sombre...

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HD 37124

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(the Bull), positioned about a half degree to the SSW of the bright star Zeta Tauri. The apparent visual magnitude of this star is 7.68, which is too dim...

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List of interstellar and circumstellar molecules

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Ridgway, S. T. (2000), "Identification of SH v=1 Ro-vibrational Lines in R Andromedae", The Astrophysical Journal, 528 (1): L33–L36, arXiv:astro-ph/9911080...

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List of Lepidoptera of North Macedonia

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1803) Ochlodes sylvanus (Esper, 1777) Pyrgus alveus (Hübner, 1803) Pyrgus andromedae (Wallengren, 1853) Pyrgus armoricanus (Oberthur, 1910) Pyrgus carthami...

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List of Lepidoptera of Germany

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1771) Ochlodes sylvanus (Esper, 1777) Pyrgus alveus (Hübner, 1803) Pyrgus andromedae (Wallengren, 1853) Pyrgus armoricanus (Oberthür, 1910) Pyrgus cacaliae...

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List of Lepidoptera of Serbia and Montenegro

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1808) Ochlodes sylvanus (Esper, 1777) Pyrgus alveus (Hübner, 1803) Pyrgus andromedae (Wallengren, 1853) Pyrgus armoricanus (Oberthur, 1910) Pyrgus carthami...

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List of Lepidoptera of Switzerland

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1777) Pyrgus accretus (Verity, 1925) Pyrgus alveus (Hübner, 1803) Pyrgus andromedae (Wallengren, 1853) Pyrgus armoricanus (Oberthür, 1910) Pyrgus cacaliae...

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List of Lepidoptera of Slovenia

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1771) Ochlodes sylvanus (Esper, 1777) Pyrgus alveus (Hübner, 1803) Pyrgus andromedae (Wallengren, 1853) Pyrgus armoricanus (Oberthür, 1910) Pyrgus cacaliae...

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List of Lepidoptera of Bosnia and Herzegovina

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1771) Ochlodes sylvanus (Esper, 1777) Pyrgus alveus (Hübner, 1803) Pyrgus andromedae (Wallengren, 1853) Pyrgus armoricanus (Oberthur, 1910) Pyrgus carthami...

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