Nu3 Canis Majoris

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For other stars with this Bayer designation, see ν Canis Majoris.
Nu3 Canis Majoris
Observation data
ICRS
)
Constellation Canis Major
Right ascension 06h 37m 53.42144s[1]
Declination −18° 14′ 14.9218″[1]
Apparent magnitude (V) 4.41[2] (4.63 + 8.56)[3]
Characteristics
Spectral type K0 II-III[4]
U−B color index +1.04[2]
B−V color index +1.16[2]
Distance
420 ± 20 ly
(129 ± 7 pc)
Absolute magnitude (MV)−1.13[6]
Details
Myr
HR 2443, SAO 151730, CCDM 06379-1814[9]
Database references
SIMBADdata

Nu3 Canis Majoris, Latinized from ν3 Canis Majoris, is a binary star[3] system in the southern constellation of Canis Major.

Characteristics

The star system, appearing as one star, is deemed visible to the naked eye with its combined

light years from the Sun
, much further than Nu1 and Nu2 which appear nearby when seen from one point in the Solar System.

The primary member, component A, is an

surface activity with a magnetic field strength of 2.2±0.4 G and is a source of X-ray emission with a luminosity of 624×1027 erg s−1.[4]

This giant has an estimated 3.4

arcseconds distant and has an apparent magnitude of +8.56.[3]

References

  1. ^
    S2CID 18759600
    .
  2. ^
    doi:10.1086/190856
    .
  3. ^
    S2CID 14878976
    .
  4. ^
    S2CID 118504829
    , A90.
  5. S2CID 59451347
    , A61.
  6. S2CID 119257644
    .
  7. ^
    S2CID 59334290
    .
  8. Bibcode:1970CoAsi.239....1B
    .
  9. ^ "nu03 CMa". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-09-05.{{cite web}}: CS1 maint: postscript (link)
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