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Omicron Herculis information


o Herculis
Location of o Herculis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Hercules
Right ascension 18h 07m 32.55073s[1]
Declination +28° 45′ 44.9679″[1]
Apparent magnitude (V) 3.83[2]
Characteristics
Spectral type B9.5III[3]
U−B color index −0.07[2]
B−V color index −0.02[2]
Variable type γ Cas[4]
Astrometry
Radial velocity (Rv)−29.5[5] km/s
Proper motion (μ) RA: −0.02[1] mas/yr
Dec.: +8.55[1] mas/yr
Parallax (π)9.65 ± 0.16 mas[1]
Distance338 ± 6 ly
(104 ± 2 pc)
Absolute magnitude (MV)−1.24[6]
Details
Mass3.49±0.04[7] M
Radius6.3[8] R
Luminosity355 L
Surface gravity (log g)2.86[9] cgs
Temperature9,484[8] K
Metallicity [Fe/H]−0.06[6] dex
Rotational velocity (v sin i)194[10] km/s
Other designations
o Her, 103 Herculis, BD+28 2925, FK5 681, HD 166014, HIP 88794, HR 6779, SAO 85750
Database references
SIMBADdata

Omicron Herculis, Latinized from o Herculis, is a star in the constellation Hercules. It used to be called Masym ("the wrist"), but this name was transferred to Lambda Herculis.[11]

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  2. ^ a b c Cite error: The named reference clpl4_99 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Slettebak1982 was invoked but never defined (see the help page).
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  6. ^ a b Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Zorec2012 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference ticv8 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference starhorse was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference aaa463_2_671 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference kaler was invoked but never defined (see the help page).

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Omicron Herculis

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Omicron Herculis, Latinized from o Herculis, is a star in the constellation Hercules. It used to be called Masym ("the wrist"), but this name was transferred...

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Delta Herculis

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Delta HerculisHerculis, abbreviated Delta Her, δ Her) is a multiple star system in the constellation of Hercules. Its light produces to us apparent...

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Alpha Herculis

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Alpha HerculisHerculis, abbreviated Alpha Her, α Her), also designated 64 Herculis, is a multiple star system in the constellation of Hercules. Appearing...

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Eta Ophiuchi

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enclosure, consisting of Eta Ophiuchi, Delta Herculis, Lambda Herculis, Mu Herculis, Omicron Herculis, 112 Herculis, Zeta Aquilae, Theta¹ Serpentis, Eta Serpentis...

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Historical brightest stars

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NR Canis Majoris +2,670,000 +3,050,000 +2,870,000 −0.88 14 280 5.6 Omicron Herculis +3,050,000 +3,870,000 +3,470,000 −0.63 44 346 3.83 Albireo +3,870,000...

Word Count : 488

Lambda Herculis

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of the enclosure, consisting of Lambda Herculis, Delta Herculis, Mu Herculis, Omicron Herculis, 112 Herculis, Zeta Aquilae, Theta1 Serpentis, Eta Serpentis...

Word Count : 1063

Theta Serpentis

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China, consisting of Theta Serpentis, Delta Herculis, Lambda Herculis, Mu Herculis, Omicron Herculis, 112 Herculis, Zeta Aquilae, Eta Serpentis, Nu Ophiuchi...

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List of Chinese star names

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Fourth Star of Left Wall Omicron Herculis 中山 Zhōng Shān Zhongshan 天市右垣一 Tiān Shì Yòu Yuán yī the First Star of Right Wall Beta Herculis Kornephoros 河中 Hé Zhōng...

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Table of stars with Bayer designations

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border from Auriga into the constellation Lynx Also designated Psi HerculisHerculis, ψ Her) by Bayer, after Ptolemy – Bayer’s Uranometria and Bayer letters...

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Pole star

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pole nearer the stars in the constellation Hercules, pointing towards Tau Herculis around 18,400 AD. The celestial pole will then return to the stars in constellation...

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Bayer designation

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Andromedae = Delta Pegasi, Beta Tauri = Gamma Aurigae, and Nu Boötis = Psi Herculis. (He catalogued Fomalhaut only once, as Alpha Piscis Austrini.) When the...

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List of brightest natural objects in the sky

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Binary star system 2.765 Gamma Lupi Triple star system 2.77 2.76 Beta Herculis Binary star system 2.77 2.76 Iota Orionis Quadruple star system 2.79 2...

Word Count : 1546

Beta Pegasi

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I/Na I scattering observations in circumstellar envelopes - Alpha(1) Herculis, Omicron Ceti, TX PISCIUM and Beta Pegasi", Astronomy and Astrophysics, 265...

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Hydrus

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Tau twice each, for three sets of two stars close together, and omitted Omicron and Xi. He assigned Rho to a star that subsequent astronomers were unable...

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Variable star

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variable star was identified in 1638 when Johannes Holwarda noticed that Omicron Ceti (later named Mira) pulsated in a cycle taking 11 months; the star...

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Betelgeuse

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"Interferometric Observations of the Supergiant Stars α Orionis and α Herculis with FLUOR at IOTA". Astronomy and Astrophysics. 418 (2): 675–685. arXiv:astro-ph/0402099...

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Star

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double the abundance of iron as the Sun, while the planet-bearing star 14 Herculis has nearly triple the iron. Chemically peculiar stars show unusual abundances...

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List of Arabic star names

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Draconis Atik al-ʽĀtiq ath-Thurayyā the Shoulder (of Perseus) عَاتِق الثّريّا Omicron Persei Auva al-ʽAwwā' the Barking (Dog) العواء الْعَوَّاء Delta Virginis...

Word Count : 565

Zeta Aquilae

Last Update:

the enclosure, consisting of Zeta Aquilae; Delta, Lambda, Mu, Omicron and 112 Herculis; Theta¹ and Eta Serpentis; Nu Ophiuchi, Xi Serpentis and Eta Ophiuchi...

Word Count : 1880

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