Lambda Caeli

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Lambda Caeli
Observation data
J2000
Constellation Caelum
Right ascension 04h 43m 44.27211s[1]
Declination −41° 03′ 53.2340″[1]
Apparent magnitude (V) 6.24[2]
Characteristics
Spectral type K3/4III[3]
U−B color index +1.78[4]
B−V color index +1.468±0.008[2]
Distance
700 ± 10 ly
(216 ± 3 pc)
Absolute magnitude (MV)−0.52[2]
Details
Radius31.43+2.36
−3.87[1] R☉
Luminosity274±5[1] L☉
Temperature4,189+284
−149[1] K
HR 1518, SAO 216961[8]
Database references
SIMBADdata

Lambda Caeli,

apparent visual magnitude of 6.24.[2] Based on parallax measurements, Lambda Caeli is known to be around 700 light-years distant from the Sun, but is drifting closer with a radial velocity of −4 km/s.[5]

This object is an aging

Sun's luminosity from its swollen photosphere at an effective temperature of 4,189 K.[1]

References

  1. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  2. ^
    S2CID 119257644
    .
  3. ^
    Bibcode:1978mcts.book.....H
    .
  4. Bibcode:1986EgUBV........0M
    .
  5. ^
    S2CID 119231169
    .
  6. ^
    S2CID 18759600
    .
  7. Bibcode:2004yCat.4027....0K
    .
  8. ^ a b "HD 30202". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-09-14.
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