Zeta Hydri

Source: Wikipedia, the free encyclopedia.
ζ Hydri
Location of ζ Hydri (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation
Hydrus
Right ascension 02h 45m 32.63435s[1]
Declination −67° 36′ 59.8268″[1]
Apparent magnitude (V) 4.83[2]
Characteristics
Spectral type A2IV[2]
U−B color index +0.09[3]
B−V color index +0.06[3]
Distance
284 ± 4 ly
(87 ± 1 pc)
Absolute magnitude (MV)0.13[2]
Details
Rotational velocity (v sin i)
116[6] km/s
HR 837, SAO
 248644
Database references
SIMBADdata

Zeta Hydri,

light years away. It is moving further away from the Sun with a radial velocity of +3.6 km/s.[4]

The

Sun's luminosity into space from its photosphere at an effective temperature of 9,144 K.[6]

References

  1. ^
    S2CID 18759600. Vizier catalog entry
  2. ^
    S2CID 119257644. Vizier catalog entry
  3. ^
    Bibcode:2014JAVSO..42..443M.Vizier catalog entry
  4. ^
    LCCN 54001336
    .
  5. ^
    Bibcode:1999A&A...352..555A. Vizier catalog entry
  6. ^
    S2CID 33401607. Vizier catalog entry
  7. S2CID 14878976
    .
  8. S2CID 119273474
    .
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