HD 11964

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Double star
HD 11964
Observation
dates equinoxJ2000.0 , epoch : J2000.0
AladinLite
Constellation whale
Right ascension 01 h 57 m 10 s
declination -10 ° 14 ′ 33 ″
Apparent brightness  6.4 mag
Astrometry
parallax (29.43 ± 0.91) mas
distance  (111 ± 3) ly
((34.0 ± 1.1) pc )
Proper movement :
Rec. Share: −368 mas / a
Dec. portion: −243 mas / a
Individual data
Names A; B.
Observation data:
Apparent brightness A. 6.4 mag
B. approx. 10.5 mag
Typing:
Spectral class A. G5
B. K4
Physical Properties:
Dimensions A. 1.125 M
B.
radius A. 2.18 (± 0.29) R
B.
Effective temperature A. 5248 K
B.
Other names
and catalog entries
Bonn survey BD -10 ° 403
Henry Draper Catalog HD 11964 [1]
SAO catalog SAO 148123 [2]
Tycho catalog TYC 5278-2314-1 [3]
Hipparcos catalog HIP 9094 [4]
Further designations:
G 272-126 G 272-127

HD 11964 is a double star in the constellation Whale, approximately 111 light years away. The two components of the star system are 29 "apart. It is believed that two planets (probably gas giants ) orbit the main component. However, confirmation is pending.

Sources and individual references

  1. a b Hipparcos catalog (1997), bibcode : 1997A & A ... 323L..49P
  2. Allen et al .: Wide binaries among high-velocity and metal-poor stars ; in: Astronomy and Astrophysics, Vol. 356, p. 529ff. (2000), bibcode : 2000A & A ... 356..529A