V419 Cephei

V419 Cephei

A light curve for V419 Cephei, plotted from Hipparcos data[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Cepheus
Right ascension 21h 12m 47.24741s[2]
Declination +60° 05′ 52.8017″[2]
Apparent magnitude (V) 6.54 - 6.89[3]
Characteristics
Evolutionary stage Red supergiant
Spectral type M2 Ib[4]
Variable type Lc[3]
Astrometry
Proper motion (μ) RA: −2.515[5] mas/yr
Dec.: −3.277[5] mas/yr
Parallax (π)1.0342 ± 0.1022 mas[5]
Distance1,085[6] pc
Absolute magnitude (MV)−5.72[7]
Details
Mass16.6 ± 2.6[8] M☉
Radius586[9] R☉
Luminosity (bolometric)58,300[9] L☉
Temperature3,660[9] K
Age10.0[8] Myr
Other designations
V419 Cep, HD 202380, HIP 104719, SAO 33232, BD+59°2342, AG+59 1417, GCRV 13343
Database references
SIMBADdata

V419 Cephei (BD+59°2342 or HIP 104719) is an irregular variable star in the constellation of Cepheus with an apparent magnitude that varies between 6.54 and 6.89.

  1. ^ Cite error: The named reference HipDataAccess was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference hipparcos was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference gcvs was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference perkins was invoked but never defined (see the help page).
  5. ^ a b c Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  6. ^ Cite error: The named reference Famaey was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference levesqueetal2005 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference tetzlaff was invoked but never defined (see the help page).
  9. ^ a b c Healy, Sarah; Horiuchi, Shunsaku; Molla, Marta Colomer; Milisavljevic, Dan; Tseng, Jeff; Bergin, Faith; Weil, Kathryn; Tanaka, Masaomi (2024-03-23). "Red Supergiant Candidates for Multimessenger Monitoring of the Next Galactic Supernova". Monthly Notices of the Royal Astronomical Society. 529 (4): 3630–3650. arXiv:2307.08785. Bibcode:2024MNRAS.529.3630H. doi:10.1093/mnras/stae738. ISSN 0035-8711.