Identification Data |
Common Name | |
Constellation | Corona Australis |
Star Name | eps CrA |
Skymap Number | 18580178 |
Henry Draper (HD) Number | 175813 |
Harvard Revised (HR) Number | 7152 |
SAO Number | 210781 |
Durchmusterung (DM) Number | CD-3713001 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 298401 |
Right Ascension (RA) J2000 | 18h 58m 43.377s |
Declination (Dec) J2000 | -37° 6' 26.485" |
Position Uncertainty | 0.0137s |
Proper Motion in RA (J2000)/cos(Dec) | -0.01106 |
Proper Motion in Dec (J2000) | -0.110566 |
Radial Velocity | +054.4km s-1 |
Trigonometric Parallax | +0.03343s |
Trigonometric Parallax Uncertainty | 0.00092s |
GCI Unit Vector in X (J2000) | 0.202114 |
GCI Unit Vector in Y (J2000) | -0.771470 |
GCI Unit Vector in Z (J2000) | -0.603310 |
Galactic Longitude | 359.55° |
Galactic Latitude
| -17.32°
|
Observational Data |
Observed Visual Magnitude (V) | 4.83 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.016 |
Observed B Magnitude | 5.22 |
Observed B-V Colour | +0.393 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.021 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.9 |
Observed Photographic Magnitude | 5.3 |
Morgan Keenan (MK) Spectral Type | F2V |
One-Dimensional Spectral Class | F5 |
Position Angle | |
Year of Observation | AD |