Alpha Hydri

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Star
α Hydri
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Little water snake
Right ascension 01 h 58 m 46.19 s
declination -61 ° 34 ′ 11.5 ″
Apparent brightness 2.86 mag
Typing
B − V color index +0.28 
U − B color index +0.14 
R − I index +0.14 
Spectral class F0 V
Astrometry
parallax (45.43 ± 0.44)  mas
distance (71.8 ± 0.7)  Lj
(22.01 ± 0.21)  pc  
Visual absolute brightness M vis +1.15 mag
Proper movement 
Rec. Share: (263.66 ± 0.43)  mas / a
Dec. portion: (26.77 ± 0.41)  mas / a
Physical Properties
Other names
and catalog entries
Bayer name α Hydri
Cordoba Survey CD -62 ° 71
Bright Star Catalog HR 591 [1]
Henry Draper Catalog HD 12311 [2]
Hipparcos catalog HIP 9236 [3]
SAO catalog SAO 248474 [4]
Tycho catalog TYC 8851-2027-1 [5]
Other names GJ 83, FK5 72, LTT 1059
annotation
  1. ↑ Calculated from apparent brightness and distance.

α Hydri (alpha Hydri, α Hyi) is a star of the spectral class F0 in the constellation Little Water Snake . The star has an apparent magnitude of +2.9 mag and is about 72 light years away.

Individual evidence

  1. ↑ a b c Hipparcos catalog (ESA 1997)
  2. ↑ a b c Bright Star Catalog
  3. ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)