Identification Data |
Common Name | Etamin |
Constellation | Draco |
Star Name | 33gam Dra |
Skymap Number | 17560127 |
Henry Draper (HD) Number | 164058 |
Harvard Revised (HR) Number | 6705 |
SAO Number | 30653 |
Durchmusterung (DM) Number | BD+51 2282 |
Washington Double Stars (WDS) Number
| 17566+5129
|
Positional Data |
Position and Proper Motion (PPM) Number | 36267 |
Right Ascension (RA) J2000 | 17h 56m 36.369s |
Declination (Dec) J2000 | +51° 29' 20.022" |
Position Uncertainty | 0.0062s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00091 |
Proper Motion in Dec (J2000) | -0.023166 |
Radial Velocity | -027.6km s-1 |
Trigonometric Parallax | +0.02210s |
Trigonometric Parallax Uncertainty | 0.00046s |
GCI Unit Vector in X (J2000) | -0.009220 |
GCI Unit Vector in Y (J2000) | -0.622598 |
GCI Unit Vector in Z (J2000) | 0.782487 |
Galactic Longitude | 79.06° |
Galactic Latitude
| 29.22°
|
Observational Data |
Observed Visual Magnitude (V) | 2.23 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 3.76 |
Observed B-V Colour | +1.535 |
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 | 2.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K5III |
One-Dimensional Spectral Class | K5 |
Position Angle | 151 |
Year of Observation | 1934. AD |