Identification Data |
Common Name | |
Constellation | Octans |
Star Name | iot Oct |
Skymap Number | 12550032 |
Henry Draper (HD) Number | 111482 |
Harvard Revised (HR) Number | 4870 |
SAO Number | 258654 |
Durchmusterung (DM) Number | CP-84 407 |
Washington Double Stars (WDS) Number
| 12550-8507
|
Positional Data |
Position and Proper Motion (PPM) Number | 377511 |
Right Ascension (RA) J2000 | 12h 54m 58.810s |
Declination (Dec) J2000 | -85° 7' 24.127" |
Position Uncertainty | 0.0086s |
Proper Motion in RA (J2000)/cos(Dec) | +0.05291 |
Proper Motion in Dec (J2000) | +0.022167 |
Radial Velocity | +053.4km s-1 |
Trigonometric Parallax | +0.00879s |
Trigonometric Parallax Uncertainty | 0.00069s |
GCI Unit Vector in X (J2000) | -0.082576 |
GCI Unit Vector in Y (J2000) | -0.020199 |
GCI Unit Vector in Z (J2000) | -0.996380 |
Galactic Longitude | 303.01° |
Galactic Latitude
| -22.25°
|
Observational Data |
Observed Visual Magnitude (V) | 5.46 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.46 |
Observed B-V Colour | +0.997 |
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 | 5.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K0III |
One-Dimensional Spectral Class | K0 |
Position Angle | 238 |
Year of Observation | 1990. AD |