Identification Data |
Common Name | |
Constellation | Eridanus |
Star Name | 15 Eri |
Skymap Number | 3180045 |
Henry Draper (HD) Number | 20610 |
Harvard Revised (HR) Number | 994 |
SAO Number | 168452 |
Durchmusterung (DM) Number | CD-22 1146 |
Washington Double Stars (WDS) Number
| 03184-2231
|
Positional Data |
Position and Proper Motion (PPM) Number | 246072 |
Right Ascension (RA) J2000 | 3h 18m 22.109s |
Declination (Dec) J2000 | -22° 30' 40.028" |
Position Uncertainty | 0.0123s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00102 |
Proper Motion in Dec (J2000) | +0.010967 |
Radial Velocity | +023.9km s-1 |
Trigonometric Parallax | +0.01279s |
Trigonometric Parallax Uncertainty | 0.00075s |
GCI Unit Vector in X (J2000) | 0.598833 |
GCI Unit Vector in Y (J2000) | 0.703431 |
GCI Unit Vector in Z (J2000) | -0.382863 |
Galactic Longitude | 213.26° |
Galactic Latitude
| -56.46°
|
Observational Data |
Observed Visual Magnitude (V) | 4.87 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.77 |
Observed B-V Colour | +0.901 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.1 |
Observed Photographic Magnitude | 6.1 |
Morgan Keenan (MK) Spectral Type | G6III |
One-Dimensional Spectral Class | K0 |
Position Angle | 78 |
Year of Observation | 1991. AD |