HD 75063

This article is about a Velorum. For A Velorum, see HD 72108.
HD 75063
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Vela
Right ascension 08h 46m 01.64391s[1]
Declination −46° 02′ 29.5042″[1]
Apparent magnitude (V) 3.87[2]
Characteristics
Spectral type A1III[3] or A0 II[4]
B−V color index 0.015±0.029[2]
Astrometry
Radial velocity (Rv)+23.2±0.3[2] km/s
Proper motion (μ) RA: −12.82[1] mas/yr
Dec.: +4.23[1] mas/yr
Parallax (π)1.76 ± 0.14 mas[1]
Distance1,900 ± 100 ly
(570 ± 50 pc)
Absolute magnitude (MV)−4.89[2]
Details
Mass8.6±0.3[5] M☉
Radius4.5[6] R☉
Luminosity8,669.71[2] L☉
Temperature8,023[7] K
Rotational velocity (v sin i)30[8] km/s
Age30.6±2.6[5] Myr
Other designations
a Vel, CD–45°4517, HD 75063, HIP 43023, HR 3487, SAO 220422[9]
Database references
SIMBADdata

HD 75063 is a single[10] star in the southern constellation of Vela. It has the Bayer designation of a Velorum, while HD 75063 is the identifier from the Henry Draper Catalogue. This is a naked-eye star with an apparent visual magnitude of 3.87[2] and has a white hue. The star is located at a distance of approximately 1,900 light-years from the Sun based on parallax measurements and has an absolute magnitude of −4.89.[2] It is drifting further away with a radial velocity of +23 km/s.[2]

This object has been stellar classifications of A1III[3] and A0 II,[4] matching a massive A-type giant or bright giant star, respectively. It is an estimated 31[5] million years old and is spinning with a projected rotational velocity of 30 km/s.[8] The star has 8.6[5] times the mass of the Sun and around 4.5[6] times the Sun's radius. The star is radiating 8,670[2] times the Sun's luminosity from its photosphere at an effective temperature of 8,023 K.[7]

  1. ^ a b c d e Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d e f g h i Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Levato1972 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference houk1978 was invoked but never defined (see the help page).
  5. ^ a b c d Cite error: The named reference Tetzlaff2011 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Fracassini2001 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference McDonald2012 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference Royer2002 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Simbad was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).