94 Ceti

from Wikipedia, the free encyclopedia
Double star
94 Ceti
Observation
dates equinox :  J2000.0 , epoch : J2000.0
AladinLite
Constellation whale
Right ascension 03 h 12 m 46 s
declination -01 ° 11 ′ 46 ″
Known exoplanets

1

Astrometry
Radial velocity (+18.3 ± 0.9) km / s
parallax (44.7 ± 0.8) mas
distance  (73.0 ± 1.2) ly
((22.4 ± 0.4) pc )
Proper movement :
Rec. Share: +193 mas / a
Dec. portion: −69 mas / a
Individual data
Names A; B.
Observation data:
Apparent brightness A. 5.1 mag
B. 11.5 likes
Typing:
Spectral class A. F8 V
B. M3 V
Physical Properties:
Dimensions A. approx. 1.35 m ☉
B.
radius A. (1.93 ± 0.07) R ☉
B.
Effective temperature A. approx. 6000 K
B.
Metallicity [Fe / H] A. 0.2
B.
Rotation time A. 12.2 d
B.
Other names
and catalog entries
Flamsteed name 94 Ceti
Bonn survey BD −1 ° 457
Bright Star Catalog HR 962 [1]
Henry Draper Catalog HD 19994 [2]
SAO catalog SAO 130355 [3]
Tycho catalog TYC 4708-1423-1 [4]
Hipparcos catalog HIP 14954 [5]
WDS catalog WDS 03128-0112
Further designations: GJ 128, PPM 175267

94 Ceti (also cataloged as HD 19994 ) is a binary star about 73 light years away, consisting of a yellow dwarf of the spectral class F8 and a red dwarf of the spectral class M3. The yellow dwarf has an apparent magnitude of 5.1 mag, the red dwarf of 11.5 mag.

In 2000, Michel Mayor discovered an extrasolar planet orbiting the subgiant and was given the systematic name 94 Ceti b .

Web links