Identification Data |
Common Name | |
Constellation | Saggitarius |
Star Name | gam1Sgr |
Skymap Number | 18050007 |
Henry Draper (HD) Number | 164975 |
Harvard Revised (HR) Number | 6742 |
SAO Number | 186237 |
Durchmusterung (DM) Number | CD-2914447 |
Washington Double Stars (WDS) Number
| 18050-2935
|
Positional Data |
Position and Proper Motion (PPM) Number | 267817 |
Right Ascension (RA) J2000 | 18h 5m 1.225s |
Declination (Dec) J2000 | -29° 34' 48.315" |
Position Uncertainty | 0.0093s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00031 |
Proper Motion in Dec (J2000) | -0.004666 |
Radial Velocity | -028.1km s-1 |
Trigonometric Parallax | +0.00157s |
Trigonometric Parallax Uncertainty | 0.00093s |
GCI Unit Vector in X (J2000) | 0.019049 |
GCI Unit Vector in Y (J2000) | -0.869458 |
GCI Unit Vector in Z (J2000) | -0.493640 |
Galactic Longitude | 1.58° |
Galactic Latitude
| -3.98°
|
Observational Data |
Observed Visual Magnitude (V) | 4.65 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.056 |
Observed B Magnitude | 5.41 |
Observed B-V Colour | +0.760 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.086 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | F4-G1Ib |
One-Dimensional Spectral Class | F8 |
Position Angle | 153 |
Year of Observation | 1976. AD |