Identification Data |
Common Name | |
Constellation | Eridanus |
Star Name | 30 Eri |
Skymap Number | 3520099 |
Henry Draper (HD) Number | 24388 |
Harvard Revised (HR) Number | 1202 |
SAO Number | 130789 |
Durchmusterung (DM) Number | SD-05 769 |
Washington Double Stars (WDS) Number
| 03527-0522
|
Positional Data |
Position and Proper Motion (PPM) Number | 186281 |
Right Ascension (RA) J2000 | 3h 52m 41.655s |
Declination (Dec) J2000 | -5° 21' 40.532" |
Position Uncertainty | 0.0137s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00022 |
Proper Motion in Dec (J2000) | -0.007166 |
Radial Velocity | +015.km s-1 |
Trigonometric Parallax | +0.00649s |
Trigonometric Parallax Uncertainty | 0.00091s |
GCI Unit Vector in X (J2000) | 0.525041 |
GCI Unit Vector in Y (J2000) | 0.845933 |
GCI Unit Vector in Z (J2000) | -0.093435 |
Galactic Longitude | 194.49° |
Galactic Latitude
| -41.74°
|
Observational Data |
Observed Visual Magnitude (V) | 5.49 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.40 |
Observed B-V Colour | -0.092 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.6 |
Observed Photographic Magnitude | 5.4 |
Morgan Keenan (MK) Spectral Type | B8V |
One-Dimensional Spectral Class | B8 |
Position Angle | 135 |
Year of Observation | 1964. AD |