P Velorum

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

Template:Short description Template:Lower case

p Velorum
Observation data
Epoch J2000      Equinox J2000
Constellation Vela
Right ascension Template:RA[1]
Declination Template:DEC[1]
Apparent magnitude (V) 3.83[2] (4.13 / 5.76)[3]
Characteristics
Spectral type F3IV + F0V + A6V[2]
U−B Template:Engvar +0.04[2]
B−V Template:Engvar +0.31[2]
Astrometry
Radial velocity (Rv)21.20 ± 0.7[4] km/s
Proper motion (μ) RA: -133.41[1] mas/yr
Dec.: -1.82[1] mas/yr
Parallax (π)37.26±0.36 mas[1]
DistanceTemplate:Rnd ± Template:Rnd ly
(Template:Rnd ± Template:Rnd pc)
Absolute magnitude (MV)2.15 / 2.70 / 2.14[2]
Orbit[3]
Primaryp Vel A
Companionp Vel B
Period (P)16.651 yr
Semi-major axis (a)0.361″
Eccentricity (e)0.726
Inclination (i)128.5°
Longitude of the node (Ω)37.2°
Periastron epoch (T)2019.562
Argument of periastron (ω)
(secondary)		288.9°
Details[5]
p Vel Aa
Mass1.88 Template:Solar mass
RadiusTemplate:Solar radius calculatorTemplate:Efn Template:Solar radius
Luminosity12.5 Template:Solar luminosity
Temperature6,710 K
p Vel Ab
Mass1.29 Template:Solar mass
RadiusTemplate:Solar radius calculatorTemplate:Efn Template:Solar radius
Luminosity2.79 Template:Solar luminosity
Temperature6,740 K
Metallicity [Fe/H]{{{metal_fe2}}} dex
p Vel B
Mass2.41[2] Template:Solar mass
Metallicity [Fe/H]{{{metal_fe2}}} dex
Other designations
Template:Odlist
p Vel A: Template:Odlist
p Vel B: Template:Odlist
Database references
SIMBADdata

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

p Velorum (abbreviated to p Vel) is a triple star system in the constellation Vela. Parallax measurements by the Hipparcos spacecraft put it at a distance of 87.5 light-years, or 26.8 parsecs from Earth.[1] It is visible to the naked eye with a combined apparent magnitude of 3.83.[2]

The primary component is a spectroscopic binary whose components have an orbital period of 10.21 days. The inner spectroscopic binary consists of two F-type stars, a subgiant and a main-sequence star.[2] There is a companion star which is a white A-type main-sequence star, with an apparent magnitude of 5.76.[3] It is separated 0.361 arcseconds from the primary and has an orbital period of 16.651 years.[3]

Notes

Template:Notelist

References

Template:Reflist

Template:Stars of Vela


Template:Asbox

  1. ↑ a b c d e f Script error: No such module "Citation/CS1".
  2. ↑ a b c d e f g h Script error: No such module "Citation/CS1".
  3. ↑ a b c d Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "Citation/CS1".
  5. ↑ Script error: No such module "Citation/CS1".
Retrieved from "http://debianws.lexgopc.com/wiki143/index.php?title=P_Velorum&oldid=1940064"