Identification Data |
Common Name | |
Constellation | Caelum |
Star Name | zet Cae |
Skymap Number | 4470107 |
Henry Draper (HD) Number | 30608 |
Harvard Revised (HR) Number | 1539 |
SAO Number | 195300 |
Durchmusterung (DM) Number | CD-30 2011 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 280681 |
Right Ascension (RA) J2000 | 4h 47m 49.577s |
Declination (Dec) J2000 | -30° 1' 13.338" |
Position Uncertainty | 0.0068s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00223 |
Proper Motion in Dec (J2000) | +0.092866 |
Radial Velocity | +006.7km s-1 |
Trigonometric Parallax | +0.00635s |
Trigonometric Parallax Uncertainty | 0.00067s |
GCI Unit Vector in X (J2000) | 0.268186 |
GCI Unit Vector in Y (J2000) | 0.823267 |
GCI Unit Vector in Z (J2000) | -0.500308 |
Galactic Longitude | 231.01° |
Galactic Latitude
| -38.60°
|
Observational Data |
Observed Visual Magnitude (V) | 6.35 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 7.42 |
Observed B-V Colour | +1.071 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K1IV |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |