Theta Canis Majoris

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Theta Canis Majoris
Location of θ Canis Majoris (circled)
Observation data
ICRS
)
Constellation Canis Major
Right ascension 06h 54m 11.399s[1]
Declination −12° 02′ 19.061″[1]
Apparent magnitude (V) 4.08[2]
Characteristics
Evolutionary stage Red giant
Spectral type K4 III[2]
U−B color index +1.69[3]
B−V color index +1.43[3]
Distance
270 ± 10 ly
(83 ± 4 pc)[1]
Absolute magnitude (MV)−0.36±0.15[5]
Details
Gyr
HR 2574, SAO 152071[9]
Database references
SIMBADdata

Theta Canis Majoris (θ Canis Majoris) is a solitary,

light years from the Sun. The star is moving away from Earth with a radial velocity of +96.2 km/s.[4]

This is an old,

Sun's luminosity from its photosphere at an effective temperature of 4,200 K.[8]

References

  1. ^
    S2CID 244398875
    . Gaia DR3 record for this source at VizieR.
  2. ^
    doi:10.1051/0004-6361:20041042-1
    .
  3. ^
    Bibcode:1966CoLPL...4...99J
    .
  4. ^
    S2CID 53666931
    .
  5. S2CID 9341088
    .
  6. ^
    ISSN 0067-0049. Theta Canis Majoris' database entry at VizieR
    .
  7. ^
    ISSN 0004-6361. Theta Canis Majoris' database entry at VizieR
    .
  8. ^
    ISSN 0004-6256{{citation}}: CS1 maint: multiple names: authors list (link
    )
  9. ^ "tet CMa". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-09-08.{{cite web}}: CS1 maint: postscript (link)
  10. S2CID 14878976
    .
  11. ^ Kaler, James N. (March 8, 2013), "Theta and Lambda Canis Majoris", STARS, University of Illinois, retrieved 2017-09-08.
  12. ISBN 978-3709106266
    .
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