HD 158220

HD 158220

A light curve for V862 Arae, plotted from TESS data[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 31m 23.28387s[2]
Declination −56° 55′ 15.4672″[2]
Apparent magnitude (V) 5.95[3]
Characteristics
Spectral type B7II-III[4]
B−V color index −0.08[3]
Variable type Be star[5]
Astrometry
Radial velocity (Rv)-3[6] km/s
Proper motion (μ) RA: −0.29[2] mas/yr
Dec.: −3.72[2] mas/yr
Parallax (π)1.78 ± 0.34 mas[2]
Distanceapprox. 1,800 ly
(approx. 600 pc)
Details
Luminosity1,176[7] L☉
Temperature9,657[7] K
Other designations
V862 Arae, CD-56° 6893, HD 158220, HIP 85751, HR 6505, SAO 244808.
Database references
SIMBADdata

HD 158220 is a giant Be star in the southern constellation of Ara. This is a pulsating variable star that changes brightness by an amplitude of 0.030 magnitude over a period of 1.15 days.[5]

  1. ^ Cite error: The named reference MAST was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference van Leeuwen2007 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference clpl4_99 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference houk1979 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference pasp116_816_178 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference gcrv1953 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).