Cape Photographic Durchmusterung -80°7

light-years

Catalog numbers:
     Henry Draper (HD) 1237, Cape Photographic Durchmusterung (CPD) -80°7, Hipparcos Input Catalog (HIC) 1292, Smithsonian Astrophysical Observatory (SAO) 258219, Luyten Two-Tenth (LTT) 127, Cordoba Durchmusterung (CD) -80°9, Gliese & Jahreiss (GJ) 3021
Arity: singular
Right Ascension and Declination: 0h16m12.547s, -79°51'4.43" (epoch 2000.0)
Distance from Sol: 57.46 light-years (17.62 parsecs)
Standard error in distance: 0.9251%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 10.10, 0.716, -56.56
Galactic (X,Y,Z) coordinates in ly: 26.05, -37.46, -34.93
Proper motion: 0.46 arcsec/yr (99.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: G6
Luminosity Class: V
Apparent visual magnitude: +6.59
Absolute visual magnitude: +5.36
Visual luminosity: 0.627 x Sol
Comfort Zone (visual): 0.792 A.U.s
Detected companions: 1
Companion b:
     Mass: 3.32 x Jupiter, minimum
     Period: 133.8 days
     Standard Error in period: 0.149%
     Semimajor Axis: 0.49 A.U.s
     Eccentricity: 0.505
     Periastron distance: 0.24255 A.U.s
     Apastron distance: 0.73745 A.U.s
     Source for orbit data: Naef, Mayor, Pepe, Queloz, Udry, Burnet

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.