Identification Data |
Common Name | |
Constellation | Eridanus |
Star Name | 46 Eri |
Skymap Number | 4330136 |
Henry Draper (HD) Number | 29009 |
Harvard Revised (HR) Number | 1449 |
SAO Number | 131309 |
Durchmusterung (DM) Number | SD-07 838 |
Washington Double Stars (WDS) Number
| 04339-0644
|
Positional Data |
Position and Proper Motion (PPM) Number | 187076 |
Right Ascension (RA) J2000 | 4h 33m 54.728s |
Declination (Dec) J2000 | -6° 44' 20.068" |
Position Uncertainty | 0.0096s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00018 |
Proper Motion in Dec (J2000) | -0.004867 |
Radial Velocity | +001.7km s-1 |
Trigonometric Parallax | +0.00418s |
Trigonometric Parallax Uncertainty | 0.00088s |
GCI Unit Vector in X (J2000) | 0.364323 |
GCI Unit Vector in Y (J2000) | 0.923850 |
GCI Unit Vector in Z (J2000) | -0.117345 |
Galactic Longitude | 202.48° |
Galactic Latitude
| -33.55°
|
Observational Data |
Observed Visual Magnitude (V) | 5.73 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.61 |
Observed B-V Colour | -0.123 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.1 |
Observed Photographic Magnitude | 5.6 |
Morgan Keenan (MK) Spectral Type | B9pSi |
One-Dimensional Spectral Class | B9 |
Position Angle | 59 |
Year of Observation | 1962. AD |