Identification Data |
Common Name | |
Constellation | Octans |
Star Name | eps Oct |
Skymap Number | 22190131 |
Henry Draper (HD) Number | 210967 |
Harvard Revised (HR) Number | 8481 |
SAO Number | 258928 |
Durchmusterung (DM) Number | CP-81 995 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 378712 |
Right Ascension (RA) J2000 | 22h 20m 1.678s |
Declination (Dec) J2000 | -80° 26' 23.089" |
Position Uncertainty | 0.0063s |
Proper Motion in RA (J2000)/cos(Dec) | +0.02262 |
Proper Motion in Dec (J2000) | -0.042866 |
Radial Velocity | +011.7km s-1 |
Trigonometric Parallax | +0.01215s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | 0.150532 |
GCI Unit Vector in Y (J2000) | -0.070172 |
GCI Unit Vector in Z (J2000) | -0.986111 |
Galactic Longitude | 310.04° |
Galactic Latitude
| -34.50°
|
Observational Data |
Observed Visual Magnitude (V) | 5.18 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
Observed B Magnitude | 6.44 |
Observed B-V Colour | +1.255 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | M5III |
One-Dimensional Spectral Class | M0 |
Position Angle | |
Year of Observation | AD |