| Identification Data |
| Common Name | |
| Constellation | Saggitarius |
| Star Name | 39omi Sgr |
| Skymap Number | 19040152 |
| Henry Draper (HD) Number | 177241 |
| Harvard Revised (HR) Number | 7217 |
| SAO Number | 187643 |
| Durchmusterung (DM) Number | SD-21 5237 |
Washington Double Stars (WDS) Number
| 19047-2144
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 269274 |
| Right Ascension (RA) J2000 | 19h 4m 40.981s |
| Declination (Dec) J2000 | -21° 44' 29.384" |
| Position Uncertainty | 0.0085s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00547 |
| Proper Motion in Dec (J2000) | -0.058166 |
| Radial Velocity | +025.2km s-1 |
| Trigonometric Parallax | +0.02349s |
| Trigonometric Parallax Uncertainty | 0.00078s |
| GCI Unit Vector in X (J2000) | 0.258690 |
| GCI Unit Vector in Y (J2000) | -0.892115 |
| GCI Unit Vector in Z (J2000) | -0.370420 |
| Galactic Longitude | 14.72° |
Galactic Latitude
| -12.51°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.77 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.79 |
| Observed B-V Colour | +1.023 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 3.9 |
| Observed Photographic Magnitude | 4.9 |
| Morgan Keenan (MK) Spectral Type | G9IIIb |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 246 |
| Year of Observation | 1949. AD |
