Alpha Centauri A
Star in the constellation Centaurus
Also known as Rigil Kentaurus · α Centauri A · α Cen A · HD 128620 · Alpha1 Centauri · α1 Centauri
- Constellation
- Distance from Earth
- 4.365 ly
- Apparent magnitude
- 0.01
- , 0.96
- , 0.72
- +3 more
- Spectral class
- G2V
3
Sources- 1.Stated in Search for associations containing young stars (SACY). I. Sample and searching method
- 2.Stated in Extrasolar Planets Encyclopaedia
- 3.Stated in Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc-The Southern Sample
- G2V
- Mass
- 1.1 M☉
- Radius
- 1.227 R☉
- Right ascension
- 219.9021 degree
1
- 219.9021 degree
- Declination
- -60.834 degree
1
- -60.834 degree
Overview
Related
All data
166 statements · 87% with external sources · numbers in brackets are citations
- Part of
- Alpha Centauri
1
Sources- 1.Stated in SIMBAD“HR 5459”simbad.u-strasbg.fr/simbad/sim-id?hlinksdisplay=h_all&Ident=HR%20%205459&NbIdent=query_hlinks&Coord=14%2039%2036.49400-60%2050%2002.3737&submit=siblingsRetrieved 2014-03-05
- Alpha Centauri
- Radial velocity
- -15.252 kilometre per second
1
- -15.252 kilometre per second
- Parallax
- 743 milliarcsecond
1
- 743 milliarcsecond
- Luminosity
- 1.519 solar luminosity
- Founded
- 4850000th millennium BCE
- Metallicity
- 0.252
1
- 0.252
- Effective temperature
- 5,271 K
1
- 5,271 K
- Epoch
- J2000.0
3
Sources- 1.Stated in Validation of the new Hipparcos reduction
- 2.Stated in SIMBAD
- 3.Stated in Extrasolar Planets Encyclopaedia
- J2000.0
- Stellar rotational velocity
- 2.64 kilometre per second
- Surface gravity
- 10,620 centimetre per square second
1
- 10,620 centimetre per square second
- Right ascension component of proper motion
- -3,679.25 milliarcsecond per year
1
- -3,679.25 milliarcsecond per year
- Declination component of proper motion
- 473.67 milliarcsecond per year
1
- 473.67 milliarcsecond per year
- Catalog code
- α Cen A catalog: Bayer designation
1
- α¹ Cen catalog: Bayer designation
1
- HD 128620 catalog: Henry Draper Catalogue
1
- HIP 71683 catalog: Hipparcos Catalogue
1
- HR 5459 catalog: Bright Star Catalogue
1
- CCDM J14396-6050A catalog: Catalog of Components of Double and Multiple Stars
1
- Gaia 5877748648270200064 catalog: Gaia Data Release 1
1
Sources- 1.Stated in Gaia Data Release 1gea.esac.esa.int/archive/Retrieved 2017-08-24
- GCRV 8517 catalog: General Catalogue of Stellar Radial Velocities
1
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- GJ 559 A catalog: Gliese Catalogue of Nearby Stars
1
- HIC 71683 catalog: Hipparcos Input Catalogue
1
- IDS 14328-6025 A catalog: Index Catalogue of Visual Double Stars
1
- LFT 1127 catalog: Luyten Five-Tenths catalogue
1
- LHS 50 catalog: Luyten Half-Second catalogue
1
- LTT 5806 catalog: Luyten Two-Tenths catalogue
1
- 2MASS J14393592-6050069 catalog: 2MASS
1
- NLTT 37984 catalog: New Luyten Two-Tenths catalogue
1
- PLX 3309 catalog: General Catalogue of Trigonometric Stellar Parallaxes
1
- PM 14362-6038A catalog: Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more
1
- PMSC 14328-6025A catalog: MSC - a catalogue of physical multiple stars
1
- PPM 360911 catalog: PPM Star Catalogue
1
- SPOCS 610 catalog: Spectroscopic Properties of Cool Stars
1
- TD1 17606 catalog: TD1 Catalog of Stellar Ultraviolet Fluxes
1
- TYC 9007-5849-1 catalog: Tycho Catalogue
1
- SBC7 520 catalog: Seventh catalogue of the orbital elements of spectroscopic binary systems
1
- SBC9 815 catalog: Eighth catalogue of the orbital elements of spectroscopic binary systems
1
- TIC 471011145 catalog: TESS Input Catalog
1
- WDS J14396-6050A catalog: Washington Double Star Catalog
1
- WEB 12354 catalog: Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
1
- Zkh 209 catalog: Zhakozhaj
1
- α Cen A catalog: Bayer designation
- Official name
- Rigil Kentaurus ipa transcription: /ˈraɪdʒəl kɛnˈtɔːrəs/
1
- Rigil Kentaurus ipa transcription: /ˈraɪdʒəl kɛnˈtɔːrəs/
On other databases
6 identifiers linking Alpha Centauri A across the web's reference databases