Delta2 Tauri

Source: Wikipedia, the free encyclopedia.
For other stars with this Bayer designation, see δ Tauri.
Delta2 Tauri
Location of δ2 Tauri (circled)
Observation data
ICRS
)
Constellation Taurus
Right ascension 04h 24m 05.75985s[1]
Declination +17° 26′ 38.8583″[1]
Apparent magnitude (V) +4.80[2]
Characteristics
Spectral type A2 Vs[3]
U−B color index +0.12[2]
B−V color index +0.15[2]
Distance
161 ± 3 ly
(49.5 ± 1.0 pc)
Absolute magnitude (MV)+1.62[5]
Details
Myr
HR 1380, SAO 93907[9]
Database references
SIMBADdata

Delta2 Tauri (δ2 Tauri) is a solitary,

apparent visual magnitude of +4.80.[2] The star is considered a member of the Hyades cluster.[12]

At the estimated age of 449 million years,

Sun's luminosity from its photosphere at an effective temperature of 7,997 K.[4]

δ2 Tauri is a source of X-ray emission with a luminosity of 101.1×1020 W. Since A-type stars are not normally a source of X-rays, this emission may be coming from an unknown companion or from a line of sight source.[13]

References

  1. ^
    S2CID 18759600
    .
  2. ^
    Bibcode:1966CoLPL...4...99J
    .
  3. ^
    doi:10.1051/0004-6361:20010630
    .
  4. ^
    S2CID 118549566
    , A83.
  5. doi:10.1086/300413
    .
  6. ^
    S2CID 33401607
    .
  7. ^
    S2CID 425754
    .
  8. ^
    S2CID 55586789
    .
  9. ^ "del02 Tau". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-08-07.
  10. S2CID 14878976
    .
  11. ISBN 978-1107083974
    .
  12. S2CID 7164596
    , A71.
  13. doi:10.1051/0004-6361:20077429
    .
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