GX Velorum: Difference between revisions

GX Velorum
	Location of GX Velorum (circled)
Observation data; Epoch J2000.0 Equinox J2000.0
Constellation	Vela
Right ascension	09h 11m 04.39853s
Declination	−44° 52′ 04.4429″
Apparent magnitude (V)	+5.00 (4.97 - 5.04)
Characteristics
Spectral type	B5 Ia
U−B color index	−0.57
B−V color index	+0.22
Variable type	α Cyg
Astrometry
Radial velocity (Rv)	28.20 km/s
Proper motion (μ)	RA: −4.92 ± 0.31 mas/yr ; Dec.: 4.75 ± 0.26 mas/yr
Parallax (π)	0.69 ± 0.29 mas
Distance	1,585 pc
Absolute magnitude (MV)	−7.20
Details
Mass	35 M☉
Radius	61 R☉
Surface gravity (log g)	2.00 cgs
Temperature	15,100 K
Rotational velocity (v sin i)	39 km/s
Other designations
	GX Vel, HR 3654, HD 79186, CD−44°5206, HIP 45085
Database references
SIMBAD	data

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GX Velorum (GX Vel) is a blue supergiant variable star in the constellation Vela. Its apparent magnitude is 5.0. It is an α Cygni pulsating variable.

References

^ ^a ^b ^c ^d ^e van Leeuwen, F. (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.Vizier catalog entry
^ ^a ^b ^c Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237: 0. Bibcode:2002yCat.2237....0D.
^ ^a ^b Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
^ ^a ^b ^c ^d ^e Fraser, M.; Dufton, P. L.; Hunter, I.; Ryans, R. S. I. (2010). "Atmospheric parameters and rotational velocities for a sample of Galactic B-type supergiants". Monthly Notices of the Royal Astronomical Society. 404: 1306. arXiv:1001.3337. Bibcode:2010MNRAS.404.1306F. doi:10.1111/j.1365-2966.2010.16392.x.
^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
^ Denoyelle, J. (1977). "The spatial distribution of young stars in Vela (l = 257 to 284 )". Astronomy and Astrophysics. 27: 343. Bibcode:1977A&AS...27..343D.
^ Reed, B. Cameron (2000). "Vela OB1: Probable New Members and Hertzsprung-Russell Diagram". The Astronomical Journal. 119 (4): 1855. Bibcode:2000AJ....119.1855R. doi:10.1086/301313.
^ Wesselink, A. J.; Paranya, K.; Devorkin, K. (1972). "Catalogue of stellar dimensions". Astronomy and Astrophysics Supplement. 7: 257. Bibcode:1972A&AS....7..257W.

This supergiant-related article is a stub. You can help Wikipedia by expanding it.

[van_Leeuwen2007-1] van Leeuwen, F. (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.Vizier catalog entry

[ducati-2] Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237: 0. Bibcode:2002yCat.2237....0D.

[gcvs-3] Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.

[fraser-4] Fraser, M.; Dufton, P. L.; Hunter, I.; Ryans, R. S. I. (2010). "Atmospheric parameters and rotational velocities for a sample of Galactic B-type supergiants". Monthly Notices of the Royal Astronomical Society. 404: 1306. arXiv:1001.3337. Bibcode:2010MNRAS.404.1306F. doi:10.1111/j.1365-2966.2010.16392.x.

[5] Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.

[6] Denoyelle, J. (1977). "The spatial distribution of young stars in Vela (l = 257 to 284 )". Astronomy and Astrophysics. 27: 343. Bibcode:1977A&AS...27..343D.

[reed-7] Reed, B. Cameron (2000). "Vela OB1: Probable New Members and Hertzsprung-Russell Diagram". The Astronomical Journal. 119 (4): 1855. Bibcode:2000AJ....119.1855R. doi:10.1086/301313.

[wesselink-8] Wesselink, A. J.; Paranya, K.; Devorkin, K. (1972). "Catalogue of stellar dimensions". Astronomy and Astrophysics Supplement. 7: 257. Bibcode:1972A&AS....7..257W.

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@@ Line 1: / Line 1: @@
+{{Starbox begin
-{{starbox short
+| name = GX Velorum
-|constell= [[Vela (constellation)|Vela]]
-|name= GX Velorum
-|type= B5Ia <ref name=SIMBAD> SIMBAD, [http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=GX+Velorum&submit=SIMBAD+search GX Velorum] (accessed 15 March 2013) </ref>
-|ra=   {{RA|09|11|04.39853}} <ref name=SIMBAD/>
-|dec=  {{DEC|-44|52|04.4429}} <ref name=SIMBAD/>
 }}
+{{Starbox image
-'''GX Velorum''' ('''GX Vel''') is a [[star]] in the [[constellation]] [[Vela (constellation)|Vela]]. Its [[apparent magnitude]] is 5.02.
+ | image=
+{{Location mark
+|image=Vela constellation map.svg|alt=|float=center|width=280
+|label=|position=right
+|mark=Red circle.svg|mark_width=10|mark_link=GX Vel
+|x=621|y=362
+}}
+|caption=Location of GX Velorum (circled)
+}}
+{{Starbox observe
+| epoch = J2000.0
+| constell = [[Vela (constellation)|Vela]]
+| ra = {{RA|09|11|04.39853}}<ref name="van Leeuwen2007"/>
+| dec = {{DEC|-44|52|04.4429}}<ref name="van Leeuwen2007"/>
+| appmag_v = +5.00<ref name=ducati/> {{nowrap|(4.97 - 5.04<ref name=gcvs/>)}}
+}}
+{{Starbox character
+| class = B5 Ia<ref name=fraser>{{cite journal|bibcode=2010MNRAS.404.1306F|arxiv=1001.3337|title=Atmospheric parameters and rotational velocities for a sample of Galactic B-type supergiants|journal=Monthly Notices of the Royal Astronomical Society|volume=404|pages=1306|author1=Fraser|first1=M.|last2=Dufton|first2=P. L.|last3=Hunter|first3=I.|last4=Ryans|first4=R. S. I.|year=2010|doi=10.1111/j.1365-2966.2010.16392.x}}</ref>
+| b-v = +0.22<ref name=ducati>{{cite journal|bibcode=2002yCat.2237....0D|title=VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system|journal=CDS/ADC Collection of Electronic Catalogues|volume=2237|pages=0|author1=Ducati|first1=J. R.|year=2002}}</ref>
+| u-b = &minus;0.57<ref name=ducati/>
+| variable=[[Alpha Cygni variable|α Cyg]]<ref name=gcvs>{{cite journal|bibcode=2009yCat....102025S|title=VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)|journal=VizieR On-line Data Catalog: B/gcvs.  Originally published in: 2009yCat....102025S|volume=1|display-authors=etal|author1=Samus|first1=N. N.|last2=Durlevich|first2=O. V.|year=2009}}</ref>
+}}
+{{Starbox astrometry
+| radial_v =  28.20<ref>{{cite journal|bibcode=2006AstL...32..759G|title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system|journal=Astronomy Letters|volume=32|issue=11|pages=759|author1=Gontcharov|first1=G. A.|year=2006|doi=10.1134/S1063773706110065}}</ref>
+| prop_mo_ra = −4.92 ± 0.31<ref name="van Leeuwen2007">{{cite journal | title=Validation of the new Hipparcos reduction | url=http://www.aanda.org/articles/aa/full/2007/41/aa8357-07/aa8357-07.html | last1=van Leeuwen | first1=F. | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | year=2007 | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 }}[http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=117056 Vizier catalog entry ]</ref>
+| prop_mo_dec = 4.75 ± 0.26<ref name="van Leeuwen2007"/>
+| parallax = 0.69
+| p_error = 0.29
+| parallax_footnote = <ref name="van Leeuwen2007"/>
+| dist_pc = 1,585<ref>{{cite journal|bibcode= 1977A&AS...27..343D|title= The spatial distribution of young stars in Vela (l = 257 to 284 )|journal= Astronomy and Astrophysics|volume= 27|pages= 343|author1= Denoyelle|first1= J.|year= 1977}}</ref>
+| absmag_v = &minus;7.20<ref name=reed>{{cite journal|bibcode=2000AJ....119.1855R|title=Vela OB1: Probable New Members and Hertzsprung-Russell Diagram|journal=The Astronomical Journal|volume=119|issue=4|pages=1855|author1=Reed|first1=B. Cameron|year=2000|doi=10.1086/301313}}</ref>
+}}
+{{Starbox detail
+| source =
+| mass = 35<ref name=fraser/>
+| radius = 61<ref name=wesselink>{{cite journal|bibcode=1972A&AS....7..257W|title=Catalogue of stellar dimensions|journal=Astronomy and Astrophysics Supplement|volume=7|pages=257|author1=Wesselink|first1=A. J.|last2=Paranya|first2=K.|last3=Devorkin|first3=K.|year=1972}}</ref>
+| luminosity =
+| temperature = 15,100<ref name=fraser/>
+| metallicity_fe =
+| gravity = 2.00<ref name=fraser/>
+| rotational_velocity = 39<ref name=fraser/>
+| age =
+}}
+{{Starbox catalog
+| names = [[Variable star designation|GX]]&nbsp;Vel, [[Bright Star Catalogue|HR]]&nbsp;3654, [[Henry Draper Catalogue|HD]]&nbsp;79186, [[Cordoba Durchmusterung|CD]]&minus;44°5206, [[Hipparcos#Published catalogues|HIP]]&nbsp;45085
+}}
+{{Starbox reference
+| Simbad = GX+Velorum
+}}
+{{Starbox end}}
+'''GX Velorum''' ('''GX Vel''') is a [[blue supergiant]] [[variable star]] in the [[constellation]] [[Vela (constellation)|Vela]]. Its [[apparent magnitude]] is 5.0.  It is an [[Alpha Cygni variable|α Cygni]] pulsating variable.
 ==References==

Observation data Epoch J2000.0 Equinox J2000.0
Location of GX Velorum (circled)
Constellation	Vela
Right ascension	09^h 11^m 04.39853^s^[1]
Declination	−44° 52′ 04.4429″^[1]
Apparent magnitude (V)	+5.00^[2] (4.97 - 5.04^[3])
Characteristics
Spectral type	B5 Ia^[4]
U−B color index	−0.57^[2]
B−V color index	+0.22^[2]
Variable type	α Cyg^[3]
Astrometry

Radial velocity (R_v)	28.20^[5] km/s
Proper motion (μ)	RA: −4.92 ± 0.31^[1] mas/yr Dec.: 4.75 ± 0.26^[1] mas/yr
Parallax (π)	0.69 ± 0.29 mas^[1]
Distance	1,585^[6] pc
Absolute magnitude (M_V)	−7.20^[7]

Details

Mass	35^[4] `M`_☉
Radius	61^[8] `R`_☉
Surface gravity (log g)	2.00^[4] cgs
Temperature	15,100^[4] K
Rotational velocity (v sin i)	39^[4] km/s

Other designations
GX Vel, HR 3654, HD 79186, CD−44°5206, HIP 45085
Database references
SIMBAD	data