Σάββατο, 20 Σεπτεμβρίου 2008

ζ ΚΗΤΟΣ και χ ΚΗΤΟΣ



Multiple star ζ Cet
55 Cet, HD 11353, SAO 148059, HR 539

Zeta Ceti (ζ Cet / ζ Ceti) is a star in the constellation Cetus. It also has the traditional name Baten Kaitos (Arabic batn qaytus - "belly of the sea monster").Zeta Ceti is a yellowish star of spectral class K0 IIIBa0.1 and is approximately 260 light years from the Earth. Its apparent magnitude is +3.9.
*Coordinates for the equinox J2000:
**Right ascension: 01h 51m 28s
**Declination: −10° 20' 06"

Location RA: 1h51m27.6s
DEC: -10°20m6.0s

Distance 110 light-years

Spectral Type K0IIIBa0.1

χ ΚΗΤΟΣ

Multiple star χ Cet
53 Cet, HD 11171, SAO 148036, HR 531

Location RA: 1h49m35.1s
DEC: -10°41m11.0s

Distance 71 light-years

Spectral Type F3III