HR 6384

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HR 6384

The visual band light curve of HR 6384, adapted from Walker et al. (1985)[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 14m 13.40536s[2]
Declination –56° 53′ 18.6897″[2]
Apparent magnitude (V) 6.153[1]
Characteristics
Spectral type M1/M2II/III + A[3]
U−B color index +1.340[1]
B−V color index +1.787[1]
Variable type ellipsoidal variable[4]
Distance
1,500 ± 100 ly
(450 ± 40 pc)
Absolute magnitude (MV)−2.20[5]
Details
Radius160.39+9.31
−23.02[2] R☉
Luminosity3,732±368[2] L☉
Temperature3,562+287
−99[2] K
HR 6384, SAO 244539[6]
Database references
SIMBADdata

HR 6384 is a

apparent visual magnitude that fluctuates around 6.153,[1] and it is located at a distance of approximately 1,300 light-years (400 parsecs) from the Sun.[2] It is drifting closer with a radial velocity of around −34 km/s.[5]

The system appears to be a close, interacting binary with a hot secondary component of class A or hotter.

luminosity of the Sun from its enlarged photosphere at an effective temperature of 3,562 K.[2]

References

  1. ^
    Bibcode:1985IBVS.2775....1W
    .
  2. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  3. ^
    Bibcode:1978mcts.book.....H
    .
  4. ^
    S2CID 125853869
    .
  5. ^
    S2CID 119257644
    .
  6. ^ "V829 Ara". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-12-07.
  7. Bibcode:1985IBVS.2686....1A
    .
  8. Bibcode:1996JAVSO..24..105H
    .
  9. doi:10.1086/116239
    .

External links
Retrieved from "https://en.wikipedia.org/w/index.php?title=HR_6384&oldid=1130707129"