| Identification Data |
| Common Name | |
| Constellation | Serpens |
| Star Name | 22tau7Ser |
| Skymap Number | 15410130 |
| Henry Draper (HD) Number | 140232 |
| Harvard Revised (HR) Number | 5845 |
| SAO Number | 101686 |
| Durchmusterung (DM) Number | BD+18 3059 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 131613 |
| Right Ascension (RA) J2000 | 15h 41m 54.713s |
| Declination (Dec) J2000 | +18° 27' 50.532" |
| Position Uncertainty | 0.0095s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00513 |
| Proper Motion in Dec (J2000) | +0.056966 |
| Radial Velocity | -029.5km s-1 |
| Trigonometric Parallax | +0.01878s |
| Trigonometric Parallax Uncertainty | 0.00082s |
| GCI Unit Vector in X (J2000) | -0.537550 |
| GCI Unit Vector in Y (J2000) | -0.781496 |
| GCI Unit Vector in Z (J2000) | 0.316709 |
| Galactic Longitude | 29.69° |
Galactic Latitude
| 49.96°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.80 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 6.02 |
| Observed B-V Colour | +0.215 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.8 |
| Observed Photographic Magnitude | 6.0 |
| Morgan Keenan (MK) Spectral Type | A2m |
| One-Dimensional Spectral Class | A3 |
| Position Angle | |
| Year of Observation | AD |
