49 Cancri

Source: Wikipedia, the free encyclopedia.
This article is about b Cancri. Not to be confused with
β Cancri
.
49 Cancri
Location of 49 Cancri (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cancer
Right ascension 08h 44m 45.03571s[1]
Declination +10° 04′ 54.0073″[1]
Apparent magnitude (V) 5.58 - 5.71[2]
Characteristics
Evolutionary stage Main sequence
Spectral type A1VpHgMnSiEu[3]
B−V color index −0.069[4]
Variable type α2 CVn[2]
Distance
501 ± 6 ly
(154 ± 2 pc)
Absolute magnitude (MV)+0.07[4]
Details
Myr
HR 3465, SAO 98089[9]
Database references
SIMBADdata

49 Cancri is a single star

apparent visual magnitude of about 5.6. It is moving away from the Earth with a heliocentric radial velocity
of +27.5 km/s.

A light curve for BI Cancri, plotted from TESS data[11]

49 Cancri is a

Ap star, with enhanced lines of silicon, europium, and chromium.[12] Additionally, calcium and magnesium lines are described as weaker than normal.[3]

49 Cancri is

luminosity of the Sun due to its high temperature and large size.[7]

References

  1. ^
    S2CID 244398875
    . Gaia DR3 record for this source at VizieR.
  2. ^
    Bibcode:2009yCat....102025S
    .
  3. ^
    doi:10.1086/192182
    .
  4. ^
    S2CID 119257644
    .
  5. S2CID 119231169
    .
  6. ^
    S2CID 118621218
    .
  7. ^
    S2CID 119215348
    .
  8. S2CID 18596834
    .
  9. ^ "49 Cnc". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-07-29.
  10. S2CID 14878976
    .
  11. ^ "MAST: Barbara A. Mikulski Archive for Space Telescopes". Space Telescope Science Institute. Retrieved 7 January 2023.
  12. doi:10.1051/0004-6361/200810788
    .
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