Iota Canis Majoris

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ι Canis Majoris
Location of ι Canis Majoris (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Canis Major
Right ascension 06h 56m 08.22413s[1]
Declination −17° 03′ 15.2675″[1]
Apparent magnitude (V) 4.40[2] (4.36 - 4.40[3])
Characteristics
Spectral type B3 Ib[4] or B3 Ib/II[5]
U−B color index −0.74[6]
B−V color index −0.07[6]
Variable type Beta Cephei?[2]
Distance
approx. 2,500 ly
(approx. 800 pc)
Absolute magnitude (MV)−5.51[8]
Details
Myr
HR 2596, SAO
 152126
Database references
SIMBADdata

Iota Canis Majoris,

light years based on parallax measurements. It is drifting further away with a radial velocity of +41.2 km/s.[7]

Iota Canis Majoris is a massive blue-white

projected rotational velocity of 27 km/s.[10] It has 12.5[9] times the mass and 25.9 times the radius of the Sun.[8] Iota Canis Majoris is radiating 47,000[8] times the luminosity of the Sun from its photosphere at an effective temperature of 17,000 K.[10]

The star displays a bow shock feature from its interaction with the interstellar medium, but this nebulosity is not aligned with the star's motion through the galaxy.[13]

References

  1. ^
    S2CID 18759600
  2. ^
    S2CID 119526948
    .
  3. ^
    Bibcode:2009yCat....102025S
    .
  4. ^
    S2CID 59151633
    .
  5. Bibcode:1988mcts.book.....H
    .
  6. ^
    Bibcode:1986EgUBV........0M
    .
  7. ^
    S2CID 119231169
    .
  8. ^
    doi:10.1093/mnras/214.4.559
    .
  9. ^
    S2CID 118629873
    .
  10. ^
    S2CID 54028925
    .
  11. doi:10.1086/171116
    .
  12. S2CID 14878976
    .
  13. S2CID 118972162
    . A110.
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