Phi Velorum

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Template:Short description Script error: No such module "Hatnote".

φ Velorum
Template:Location mark
Location of φ Velorum (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Vela
Right ascension Template:RA[1]
Declination Template:DEC[1]
Apparent magnitude (V) 3.53[2]
Characteristics
Spectral type B5 Ib[3]
U−B Template:Engvar −0.62[2]
B−V Template:Engvar −0.08[2]
Astrometry
Radial velocity (Rv)13.9[4] km/s
Proper motion (μ) RA: −13.08 ± 0.10[1] mas/yr
Dec.: 3.55 ± 0.10[1] mas/yr
Parallax (π)2.05±0.11 mas[1]
DistanceTemplate:Rnd ± Template:Rnd ly
(Template:Rnd ± Template:Rnd pc)
Absolute magnitude (MV)−5.4[5]
Details
Mass10.1[6] Template:Solar mass
Radius31[5] Template:Solar radius
Luminosity28,200[5] Template:Solar luminosity
Surface gravity (log g)2.55[7] cgs
Temperature14,600[7] K
Rotational velocity (v sin i)17[7] km/s
Age22.6[6] Myr
Metallicity [Fe/H]{{{metal_fe2}}} dex
Other designations
Tseen Ke,[8] HR 3940, HD 86440, SAO 237522, CD−53°3251, FK5 375, GC 13711, HIP 48774, 2MASS J09565173-5434041, IRAS 09550-5419, WDS J09569-5434, CCDM 09569-5434
Database references
SIMBADdata

Script error: No such module "Check for unknown parameters".

Phi Velorum (φ Vel, φ Velorum) is a star in the constellation Vela. It is a blue-white B-type supergiant with an apparent magnitude of +3.53. It is approximately 1,590 light years from Earth.

Nomenclature

φ Velorum (Latinised to Phi Velorum, abbreviated to φ Vel) is the Bayer designation for this star. It is also listed as HR 3940 in the Bright Star Catalogue and HD 86440 in the Henry Draper Catalogue. It has the traditional name Tseen Ke, from Chinese 天紀 (Mandarin tiānjì) "star chart". (lit. "Record of Heaven").

Properties

φ Velorum has a temperature of 14,600 K. Combined with a radius of Template:Solar radius, it has a luminosity of Template:Solar luminosity. It has exhausted its core hydrogen and left the main sequence to become a supergiant. It has a current mass of about Template:Solar mass.

Companion

φ Velorum has an optical companion 39" away. It is a 12th magnitude K0 giant star.[9][10]

References

Template:Reflist

Template:Stars of Vela

Template:Authority control

  1. ↑ a b c d e Cite error: Invalid <ref> tag; no text was provided for refs named van Leeuwen2007
  2. ↑ a b c Cite error: Invalid <ref> tag; no text was provided for refs named ducati
  3. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named houk
  4. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named rv
  5. ↑ a b c Cite error: Invalid <ref> tag; no text was provided for refs named lefever
  6. ↑ a b Cite error: Invalid <ref> tag; no text was provided for refs named tetzlaff
  7. ↑ a b c Cite error: Invalid <ref> tag; no text was provided for refs named fraser
  8. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Allen1899
  9. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named lindroos
  10. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named wds
Retrieved from "http://debianws.lexgopc.com/wiki143/index.php?title=Phi_Velorum&oldid=1911351"