Deneb Algenubi

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Star
Deneb Algenubi (η Ceti)
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation whale
Right ascension 01 h 08 m 35.39 s
declination −10 ° 10 ′ 56.1 ″
Apparent brightness 3.45 likes
Typing
B − V color index (1.16) 
U − B color index (0.79) 
R − I index (0.58) 
Spectral class K2 IIIb
Astrometry
Radial velocity (11.10 ± 1.46) km / s
parallax (28.26 ± 0.33)  mas
distance (115 ± 2)  ly
(35.5)  pc
Proper movement 
Rec. Share: (217.52 ± 0.76)  mas / a
Dec. portion: (−140.14 ± 0.62)  mas / a
Physical Properties
Dimensions (1 to 1.5)  M ☉
radius (13.6)  R ☉
Luminosity

(65)  L ☉

Other names
and catalog entries
Bayer name η Ceti
Flamsteed name 31 Ceti
Bonn survey BD −10 ° 240
Bright Star Catalog HR 334 [1]
Henry Draper Catalog HD 6805 [2]
Gliese catalog FY 3075 [3]
Hipparcos catalog HIP 5364 [4]
SAO catalog SAO 147632 [5]
Tycho catalog TYC 5273-2657-1 [6]
2MASS catalog 2MASS J01083539-1010560 [7]
Other names FK5 40

Deneb Algenubi ( Arabic ذنب الجنوبي, DMG ḏanab al-ǧanūbī  'southern tail (fin)') is the name of the star η Ceti (Eta Ceti) in the constellation whale . The star belongs to the spectral class K2 IIIb, has an apparent brightness of +3.45 mag and is about 115 light years away. Other name: Algenudi.

Individual evidence

  1. ↑ a b c d e f g h i eta Cet. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed on August 27, 2018 .
  2. ↑ a b c P Cruzalèbes, A Jorissen, Y Rabbia, S Sacuto, A Chiavassa, E Pasquato, B Plez, K Eriksson, A Spang, O Chesneau: Fundamental parameters of 16 late-type stars derived from their angular diameter measured with VLTI / AMBER . In: Monthly Notices of the Royal Astronomical Society . 434, 2013, p. 437. arxiv : 1306.3288 . bibcode : 2013MNRAS.434..437C . doi : 10.1093 / mnras / stt1037 .