| Identification Data |
| Common Name | |
| Constellation | Sagitta |
| Star Name | 1 Sge |
| Skymap Number | 19150055 |
| Henry Draper (HD) Number | 180317 |
| Harvard Revised (HR) Number | 7301 |
| SAO Number | 86987 |
| Durchmusterung (DM) Number | BD+20 4088 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 108658 |
| Right Ascension (RA) J2000 | 19h 15m 17.361s |
| Declination (Dec) J2000 | +21° 13' 55.626" |
| Position Uncertainty | 0.0063s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00260 |
| Proper Motion in Dec (J2000) | +0.007866 |
| Radial Velocity | -023.1km s-1 |
| Trigonometric Parallax | +0.01026s |
| Trigonometric Parallax Uncertainty | 0.00059s |
| GCI Unit Vector in X (J2000) | 0.300735 |
| GCI Unit Vector in Y (J2000) | -0.882274 |
| GCI Unit Vector in Z (J2000) | 0.362147 |
| Galactic Longitude | 54.50° |
Galactic Latitude
| 4.53°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.65 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.77 |
| Observed B-V Colour | +0.118 |
| 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 | 5.6 |
| Observed Photographic Magnitude | 5.7 |
| Morgan Keenan (MK) Spectral Type | A4V |
| One-Dimensional Spectral Class | A3 |
| Position Angle | |
| Year of Observation | AD |
