Omega Capricorni

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Omega Capricorni
Location of ω Capricorni (circled)
Observation data
ICRS
)
Constellation Capricornus
Right ascension 20h 51m 49.29095s[1]
Declination −26° 55′ 08.8912″[1]
Apparent magnitude (V) +4.11[2]
Characteristics
Spectral type K4 III[3]
U−B color index +1.93[2]
B−V color index +1.64[2]
Variable type Suspected[4]
Distance
approx. 1,000 ly
(approx. 320 pc)
Absolute magnitude (MV)−2.7[6]
Details
Myr
HR 7980, SAO 189781[10]
Database references
SIMBADdata

Omega Capricorni, which is

runaway star.[7]

In

Chinese name for ω Capricorni itself is 天田二 (Tiān Tián èr, English: the First Star of Celestial Farmland.)[13]

This is an

luminosity of the Sun from its bloated photosphere at an effective temperature of 3,915 K.[1] It is a barium star,[6] showing an overabundance of the s-process elements. This suggests that Omega Capricorni has an orbiting white dwarf companion.[14]

References

  1. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  2. ^
    Bibcode:1978A&AS...34....1N
    .
  3. ^
    Bibcode:1982mcts.book.....H
    .
  4. ^ a b NSV 13351, American Association of Variable Star Observers, retrieved 2017-05-07.
  5. S2CID 119231169
    .
  6. ^
    Bibcode:1997A&A...326..722M
    .
  7. ^
    S2CID 118629873
    .
  8. ^
    S2CID 10436552
    .
  9. doi:10.1086/191527
    .
  10. ^ "ome Cap". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-05-07.
  11. doi:10.1051/0004-6361:20054009
    . See table 7.
  12. ISBN 978-986-7332-25-7
    .
  13. ^ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 3 日
  14. Bibcode:1997A&A...319..881G
    .
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