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Tau Scorpii information


Tau Scorpii
Location of τ Scorpii (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Scorpius
Right ascension 16h 35m 52.95285s[1]
Declination −28° 12′ 57.6615″[1]
Apparent magnitude (V) +2.82[2]
Characteristics
Spectral type B0.2 V[3]
U−B color index −1.039[2]
B−V color index −0.252[2]
Astrometry
Radial velocity (Rv)+2.0[4] km/s
Proper motion (μ) RA: −9.89[1] mas/yr
Dec.: −22.83[1] mas/yr
Parallax (π)6.88 ± 0.53 mas[1]
Distance470 ± 40 ly
(150 ± 10 pc)
Absolute magnitude (MV)−4.2[5]
Details
Mass15.0±0.1,[6] 14.5–14.7[7] M
Radius6.5[3] R
Luminosity20,400[7] L
Surface gravity (log g)4.24[8] cgs
Temperature31,440,[9] 29,850[7] K
Metallicity [Fe/H]−0.14[8] dex
Rotation41 days[10]
Rotational velocity (v sin i)24[11] km/s
Age5.7±1.0,[6] 5[7] Myr
Other designations
Paikauhale, Alniyat, Al Niyat, τ Sco, 23 Sco, FK5 620, GC 22303, HD 149438, HIP 81266, HR 6165, SAO 184481[12]
Database references
SIMBADdata

Tau Scorpii, Latinized from τ Scorpii, formally known as Paikauhale /ˌpkˈhɑːl/, is a star in the southern zodiac constellation of Scorpius. The apparent visual magnitude of Tau Scorpii is +2.8,[2] while parallax measurements yield a distance estimate of roughly 470 light-years (150 parsecs) from Earth.[1]

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  12. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).

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Tau Scorpii

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Tau Scorpii, Latinized from τ Scorpii, formally known as Paikauhale /ˌpaɪkaʊˈhɑːleɪ/, is a star in the southern zodiac constellation of Scorpius. The...

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Sigma Scorpii

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and adopted by the International Astronomical Union (IAU). Sigma Scorpii and Tau Scorpii together bore the traditional name Al Niyat (or Alniyat) derived...

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Stellar designations and names

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particular name corresponded to (e.g., Alniyat could refer to Sigma Scorpii or Tau Scorpii). Some stars in entirely different constellations had the same name:...

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List of brightest natural objects in the sky

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2.81 2.68 Rho Puppis Star 2.81 Beta Draconis Binary star system 2.81 Tau Scorpii Star 2.81 Lambda Sagittarii Star 2.82 Alpha Tucanae Binary star system...

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List of stars in Scorpius

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148478 80763 16h 29m 24.47s −26° 25′ 55.0″ 0.91 −5.24 553 M1.5Iab-b Cor Scorpii, Qalb al-Aqrab, Vespertilo; 16th brightest star; binary; semiregular variable...

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Bayer designation

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constellations have uppercase letter designations, like B Centauri and G Scorpii. These letters were assigned by later astronomers, notably Lacaille in...

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Epsilon Sagittarii

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state in Brazil called this star and λ Scorpii, through ι Scorpii, θ Scorpii, ν Scorpii, υ Scorpii and ρ Scorpii Taugi kusugu, "Taugi's fishing basket"...

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List of exoplanet extremes

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Bibcode:2015A&A...583A..49H, doi:10.1051/0004-6361/201526812 "Notes for mu2 scorpii". Extrasolar Planets Encyclopaedia. Retrieved 6 May 2022. "Notes for planet...

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Table of stars with Bayer designations

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Bayer’s Uranometria and Bayer letters Catalogued by Bayer as Gamma Scorpii (γ Sco, γ Scorpii), reassigned by Gould to Libra - Burnham, Robert (1978), Burnham's...

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Solar analog

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of a New Data Set,” Astronomy & Astrophysics 363, November 2000, 947 18 Scorpii at SIMBAD - Ids - Bibliography - Image. Meléndez, Jorge; Ramírez, Iván...

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List of resolved circumstellar disks

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Manara, C. F.; Miotello, A.; Maud, L. T.; Harsono, D. (2018-08-01). "V1094 Scorpii: A rare giant multi-ringed disk around a T Tauri star". Astronomy and Astrophysics...

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List of stars for navigation

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Centre de données astronomiques de Strasbourg. Retrieved 2010-06-21. "bet Tau". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2010-06-21...

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IAU designated constellations

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/ˌsædʒəˈtɛəriaɪ/ ancient (Ptolemy) archer ε Sagittarii Scorpius /ˈskɔːrpiəs/ Sco Scor Scorpii /ˈskɔːrpiaɪ/ ancient (Ptolemy) scorpion Antares Sculptor /ˈskʌlptər/ Scl...

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List of Arabic star names

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آخِرُ ٱلْنََهْر Alpha Eridani Acrab ʽAqrab the Scorpion عقرب عَقْرَب Beta Scorpii Acubens ʼaz-Zubānā the Claw / Dart / Sting الزبانى الْزُّبَانَى Alpha Cancri...

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List of directly imaged exoplanets

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Images Although listed in the table below, the identities of Candidate 1, FW Tau b, LkCa 15 b, LkCa 15 c, and HD 100546 b are disputed. They may not actually...

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List of largest stars

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supergiant stars can be occulted by the Moon, including Antares A (Alpha Scorpii A). Examples of eclipsing binaries are Epsilon Aurigae (Almaaz), VV Cephei...

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List of observatory codes

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Observatory - EHB01 Observatory, Engelhardsberg K78 iota Scorpii Observatory, obs.: Giulio Scarfì Li iota Scorpii Observatory, La Spezia K79 Erfurt Observatory TH...

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White dwarf

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gauss (100 T). The highly magnetized white dwarf in the binary system AR Scorpii was identified in 2016 as the first pulsar in which the compact object...

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Corona Borealis

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handful of stars called recurrent novae, which include T Pyxidis and U Scorpii. An outburst of T Coronae Borealis was first recorded in 1866; its second...

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List of nearest giant stars

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Bibcode:2008AJ....136..452G. doi:10.1088/0004-6256/136/1/452. ISSN 0004-6256. "* alf Tau". SIMBAD. Retrieved December 22, 2023. Hatzes, A. P.; Cochran, W. D.; Endl...

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List of supernova candidates

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Littlefair, S. P.; Marsh, T. R.; Smith, D. A. (2002). "The recurrent nova U Scorpii -- A type Ia supernova progenitor". The Physics of Cataclysmic Variables...

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List of nearest bright stars

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Majoris A F8V 4.82 4.28 10h 30m 37.66s +55° 58′ 49.9″ 41.9 HD 147513 (62 G. Scorpii) G3V 5.37 4.82 16h 24m 01.19s −39° 11′ 34.7″ 42.0 Gliese 428 (it) A K7V...

Word Count : 879

List of Chinese star names

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30 Tau 31 Tau ν Tau 40 Tau 45 Tau 46 Tau μ Tau 47 Tau 48 Tau 58 Tau 63 Tau 64 Tau θ1 Tau 46 Tau HIP 21029 HIP 21053 85 Tau 附耳 (Fù Ěr, Whisper) σ1 Tau 89...

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Star system

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June 2022.{{cite web}}: CS1 maint: multiple names: authors list (link) Nu Scorpii Archived 10 April 2020 at the Wayback Machine, entry in the Multiple Star...

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