| Identification Data |
| Common Name | |
| Constellation | Sagitta |
| Star Name | 7del Sge |
| Skymap Number | 19470077 |
| Henry Draper (HD) Number | 187076 |
| Harvard Revised (HR) Number | 7536 |
| SAO Number | 105259 |
| Durchmusterung (DM) Number | BD+18 4240 |
Washington Double Stars (WDS) Number
| 19474+1832
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 136976 |
| Right Ascension (RA) J2000 | 19h 47m 23.259s |
| Declination (Dec) J2000 | +18° 32' 3.411" |
| Position Uncertainty | 0.0099s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00032 |
| Proper Motion in Dec (J2000) | +0.011167 |
| Radial Velocity | +002.5km s-1 |
| Trigonometric Parallax | +0.00728s |
| Trigonometric Parallax Uncertainty | 0.00083s |
| GCI Unit Vector in X (J2000) | 0.428185 |
| GCI Unit Vector in Y (J2000) | -0.845940 |
| GCI Unit Vector in Z (J2000) | 0.317872 |
| Galactic Longitude | 55.77° |
Galactic Latitude
| -3.38°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.83 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.14 |
| Observed B-V Colour | +1.312 |
| 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 | 3.8 |
| Observed Photographic Magnitude | 3.8 |
| Morgan Keenan (MK) Spectral Type | M2II+A0V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | |
| Year of Observation | 1985. AD |
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