11 Serpentis

Source: Wikipedia, the free encyclopedia.
This article is about A1 Serpentis. For other stars with this Bayer designation, see A Serpentis.
11 Serpentis
Observation data
J2000
Constellation Serpens
Right ascension 15h 32m 57.93765s[1]
Declination −01° 11′ 11.0412″[1]
Apparent magnitude (V) 5.497[2]
Characteristics
Evolutionary stage horizontal branch[2]
Spectral type K0 III[3]
B−V color index 1.092[2]
Distance
271 ± 3 ly
(82.9 ± 0.9 pc)
Absolute magnitude (MV)0.83[5]
Details
Gyr
HR 5772, SAO 140596[8]
Database references
SIMBADdata

11 Serpentis is a single

apparent visual magnitude of 5.497.[2] It is moving closer to the Earth with a heliocentric radial velocity of −16 km/s.[4]

This is an aging

Sun's luminosity from its enlarged photosphere at an effective temperature of 4,767 K.[6]

References

  1. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  2. ^
    S2CID 16673121
    .
  3. ^
    Bibcode:1999MSS...C05....0H
  4. ^
    S2CID 59451347
    , A61.
  5. S2CID 119257644
    .
  6. ^
    S2CID 118675933
    .
  7. ^
    doi:10.1088/0004-6256/135/1/209
  8. ^ "11 Ser". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-03-21.
  9. S2CID 14878976
  10. Bibcode:1979BICDS..17...38H
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