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Alpha Pavonis information


α Pavonis
Location of α Pavonis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Pavo
Right ascension 20h 25m 38.85705s[1]
Declination −56° 44′ 06.3230″[1]
Apparent magnitude (V) 1.94[2]
Characteristics
Spectral type B3 V[3]
U−B color index −0.71[2]
B−V color index −0.20[2]
Astrometry
Radial velocity (Rv)+2.0[4] km/s
Proper motion (μ) RA: 6.90[1] mas/yr
Dec.: −86.02[1] mas/yr
Parallax (π)18.24 ± 0.52 mas[1]
Distance179 ± 5 ly
(55 ± 2 pc)
Absolute magnitude (MV)−1.762[5]
Details
Mass5.91[6] M
Radius4.83[7] R
Luminosity2,200[7] L
Surface gravity (log g)3.94[6] cgs
Temperature17,711[6] K
Rotational velocity (v sin i)16[6] km/s
Age48[6] Myr
Other designations
Peacock, CD-57° 9674, FK5 764, HD 193924, HIP 100751, HR 7790, SAO 246574.[8]
Database references
SIMBADdata

Alpha Pavonis (α Pavonis, abbreviated Alpha Pav, α Pav), formally named Peacock /ˈpkɒk/, is a binary star in the southern constellation of Pavo, near the border with the constellation Telescopium.

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Alpha Pavonis

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Alpha PavonisPavonis, abbreviated Alpha Pav, α Pav), formally named Peacock /ˈpiːkɒk/, is a binary star in the southern constellation of Pavo, near...

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(1907). "The orbits of the spectroscopic binaries alpha Carinae, kappa Velorum, and alpha Pavonis". Publications of the Astronomical Society of the Pacific...

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Magellanic Cloud Galaxy 1.88 Alpha Trianguli Australis Star 1.90 1.89 Beta Aurigae Binary star system 1.918 Alpha Pavonis Binary star system 1.92 Gamma...

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have modern English names. For instance, two second-magnitude stars, Alpha Pavonis and Epsilon Carinae, were assigned the proper names Peacock and Avior...

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Delta Pavonis

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Delta Pavonis, Latinized from δ Pavonis, is a single star in the southern constellation of Pavo. It has an apparent visual magnitude of 3.56, making it...

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Epsilon Carinae and Alpha Pavonis. The RAF insisted that all of the stars must have names, so new names were invented. Alpha Pavonis was named "Peacock"...

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denoting Luritja camps. The stars of Musca, along with Fomalhaut, Alpha Pavonis, and Alpha and Beta Gruis, were all claimed by the Arrernte. Musca is bordered...

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designation α Canis Minoris, which is Latinized to Alpha Canis Minoris, and abbreviated α CMi or Alpha CMi, respectively. As determined by the European...

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(近南極星區, Jìnnánjíxīngōu) under the name Peacock (孔雀, Kǒngqiāo). Peacock (Alpha Pavonis) is the brightmest star in this constellation. It is never seen in the...

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Eta Cassiopeiae Cassiopeia 19 G3V 5 Beta Hydri Hydrus 24 G2IV 6 Delta Pavonis Pavo 20 G8V 7 Pi3 Orionis Orion 26 F6V 8 Gamma Leporis Lepus 29 F7V 9 Epsilon...

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