Lambda Caeli

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λ Caeli
Observation data
Epoch J2000      Equinox J2000
Constellation Caelum
Right ascension 04h 43m 44.27198s[1]
Declination −41° 03′ 53.2324″[1]
Apparent magnitude (V) 6.218[2]
Characteristics
Spectral type K3/4 III[3]
U−B color index +1.78[4]
B−V color index +1.46[4]
Astrometry
Radial velocity (Rv) −4.3±0.4[5] km/s
Proper motion (μ) RA: +10.82[1] mas/yr
Dec.: +10.93[1] mas/yr
Parallax (π) 4.41 ± 0.32[1] mas
Distance 740 ± 50 ly
(230 ± 20 pc)
Absolute magnitude (MV) −0.52[6]
Details
Luminosity 363[6] L
Temperature 4,253[7] K
Other designations
λ Cae, CD−41° 1549, HD 30202, HIP 21998, HR 1518, SAO 216961[8]
Database references
SIMBAD data

Lambda Caeli, Latinized from λ Caeli, is a star in the constellation Caelum. It is also known by its designations HD 30202 and HR 1518.[8] It is a K-type giant star[3] with an apparent magnitude of 6.218.[2] Based on parallax measurements by Hipparcos, Lambda Caeli is known to be around 740 light-years (230 parsecs) away.[1]

References[edit]

  1. ^ a b c d e f van Leeuwen, F.; et al. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. 
  2. ^ a b Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H. 
  3. ^ a b Houk, N. (1987). "Michigan atalogue of two dimensional spectral types for the HD stars, Vol. 2". Michigan Spectral Survey. 2. Bibcode:1978mcts.book.....H. 
  4. ^ a b Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Bibcode:1986EgUBV........0M. 
  5. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053Freely accessible. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. 
  6. ^ a b Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv:1108.4971Freely accessible, Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015. 
  7. ^ McDonald, I.; et al. (2012), "Fundamental parameters and infrared excesses of Hipparcos stars", Monthly Notices of the Royal Astronomical Society, 427: 343, arXiv:1208.2037Freely accessible, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x. 
  8. ^ a b "HR 1518". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 21 August 2017.