W Coronae Borealis

W Coronae Borealis

The visual band light curve of W Coronae Borealis, from AAVSO data[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Corona Borealis
Right ascension 16h 15m 24.549s[2]
Declination +37° 47′ 44.21″[2]
Apparent magnitude (V) 7.8 - 14.3[3]
Characteristics
Evolutionary stage asymptotic giant branch
Spectral type M2e-M5e[3]
Variable type mira[3]
Astrometry
Proper motion (μ) RA: −9.527[2] mas/yr
Dec.: -6.275[2] mas/yr
Parallax (π)0.4201 ± 0.0447 mas[2]
Distanceapprox. 7,800 ly
(approx. 2,400 pc)
Other designations
HD 146560[4]
Database references
SIMBADdata

W Coronae Borealis (W CrB) is a Mira-type long period variable star in the constellation Corona Borealis. Its apparent magnitude varies between 7.8 and 14.3 over a period of 238 days.[5]

  1. ^ Cite error: The named reference aavso was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference edr3 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference gcvs was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference AAVSO was invoked but never defined (see the help page).