V Centauri: Difference between revisions
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|epoch= [[J2000]] |
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|ra= {{RA|14|32|33. |
|ra= {{RA|14|32|33.0835}}<ref name=Gaia>{{cite journal|bibcode=2016A&A...595A...2G|doi=10.1051/0004-6361/201629512|arxiv=1609.04172|title=Gaia Data Release 1|journal=Astronomy & Astrophysics|volume=595|pages=A2|year=2016|author=Gaia Collaboration}}</ref> |
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|dec= {{DEC|-56|53|15. |
|dec= {{DEC|-56|53|15.775}}<ref name=Gaia/> |
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|appmag_v=6.72<ref name=SIMBAD/> |
|appmag_v=6.72<ref name=SIMBAD>{{cite simbad|title=V* V Cen}}</ref> |
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|constell=[[Centaurus (constellation)|Centaurus]] |
|constell=[[Centaurus (constellation)|Centaurus]] |
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|class=F5 Ib/II<ref name=Houk1975>{{cite journal|bibcode=1975mcts.book.....H|title=University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90°.0 to -53°.0.|journal=Michigan Catalogue of two-dimensional spectral types for the HD stars|volume=1|author1=Houk, N.|author2=Cowley, A. P.|year=1975}}</ref> |
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|class=Classical Cepheid<ref name=SIMBAD/> |
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|radial_v= −18.90 ± 1.4<ref name=Gontcharov>{{cite journal|title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system|author=Gontcharov, G. A.|date=2006|journal=Astronomy Letters|volume=32|issue=11|pages=759–771|bibcode=2006AstL...32..759G|doi=10.1134/S1063773706110065|arxiv=1606.08053}}</ref> |
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|prop_mo_ra=−7.14<ref name=HIP>{{cite journal|title=Validation of the new Hipparcos reduction|author=van Leeuwen, F.|display-authors=etal|journal=Astronomy and Astrophysics|volume=474|issue=2|pages=653–664|date=2007|arxiv=0708.1752|bibcode=2007A&A...474..653V|doi=10.1051/0004-6361:20078357}}</ref> |
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|prop_mo_ra= −7.14<ref name=SIMBAD/> |
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|prop_mo_dec=−7.48<ref name=HIP/> |
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|parallax= 1.30 |
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|p_error= 0.42 |
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|parallax_footnote=<ref name=Gaia/> |
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| names = V Cen |
| names = {{odlist|V=V Cen|CD=-56° 5479|HD=127297|HIP=71116|HR=5421|SAO=241777}}<ref name=SIMBAD/> |
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'''V Centauri''' ('''V Cen''') is a [[Classical Cepheid variable]], a type of [[variable star|variable]] [[star]], in the constellation [[Centaurus (constellation)|Centaurus]]. Its apparent magnitude is 6.72. |
'''V Centauri''' ('''V Cen''') is a [[Classical Cepheid variable]], a type of [[variable star|variable]] [[star]], in the constellation [[Centaurus (constellation)|Centaurus]]. Its apparent magnitude is 6.72,<ref name=SIMBAD/> and it is approximately 2,500 light-years (800 parsecs) away based on [[stellar parallax|parallax]].<ref name=Gaia/> |
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==References== |
==References== |
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Revision as of 14:42, 23 August 2017
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 14h 32m 33.0835s[1] |
| Declination | −56° 53′ 15.775″[1] |
| Apparent magnitude (V) | 6.72[2] |
| Characteristics | |
| Spectral type | F5 Ib/II[3] |
| B−V color index | 0.87[2] |
| Variable type | Classical Cepheid[2] |
| Astrometry | |
| Radial velocity (Rv) | −18.90 ± 1.4[4] km/s |
| Proper motion (μ) | RA: −7.14[5] mas/yr Dec.: −7.48[5] mas/yr |
| Parallax (π) | 1.30 ± 0.42 mas[1] |
| Distance | approx. 2,500 ly (approx. 800 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
V Centauri (V Cen) is a Classical Cepheid variable, a type of variable star, in the constellation Centaurus. Its apparent magnitude is 6.72,[2] and it is approximately 2,500 light-years (800 parsecs) away based on parallax.[1]
References
- ^ a b c d Gaia Collaboration (2016). "Gaia Data Release 1". Astronomy & Astrophysics. 595: A2. arXiv:1609.04172. Bibcode:2016A&A...595A...2G. doi:10.1051/0004-6361/201629512.
- ^ a b c d e "V* V Cen". SIMBAD. Centre de données astronomiques de Strasbourg.
- ^ Houk, N.; Cowley, A. P. (1975). "University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90°.0 to -53°.0". Michigan Catalogue of two-dimensional spectral types for the HD stars. 1. Bibcode:1975mcts.book.....H.
- ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- ^ a b van Leeuwen, F.; et al. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
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