Identification Data |
Common Name | |
Constellation | Indus |
Star Name | eta Ind |
Skymap Number | 20440003 |
Henry Draper (HD) Number | 197157 |
Harvard Revised (HR) Number | 7920 |
SAO Number | 246709 |
Durchmusterung (DM) Number | CP-5211752 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 348821 |
Right Ascension (RA) J2000 | 20h 44m 2.333s |
Declination (Dec) J2000 | -51° 55' 15.495" |
Position Uncertainty | 0.0092s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01681 |
Proper Motion in Dec (J2000) | -0.053666 |
Radial Velocity | -001.6km s-1 |
Trigonometric Parallax | +0.04138s |
Trigonometric Parallax Uncertainty | 0.00082s |
GCI Unit Vector in X (J2000) | 0.404702 |
GCI Unit Vector in Y (J2000) | -0.465397 |
GCI Unit Vector in Z (J2000) | -0.787161 |
Galactic Longitude | 346.70° |
Galactic Latitude
| -38.16°
|
Observational Data |
Observed Visual Magnitude (V) | 4.52 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.80 |
Observed B-V Colour | +0.280 |
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 | 4.7 |
Observed Photographic Magnitude | 5.0 |
Morgan Keenan (MK) Spectral Type | A7III-IV-A9 |
One-Dimensional Spectral Class | F0 |
Position Angle | |
Year of Observation | AD |