| Identification Data |
| Common Name | |
| Constellation | Serpens |
| Star Name | 40 Ser |
| Skymap Number | 15540086 |
| Henry Draper (HD) Number | 142500 |
| Harvard Revised (HR) Number | 5919 |
| SAO Number | 121254 |
| Durchmusterung (DM) Number | BD+09 3116 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 162036 |
| Right Ascension (RA) J2000 | 15h 54m 40.275s |
| Declination (Dec) J2000 | +8° 34' 49.214" |
| Position Uncertainty | 0.0105s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00016 |
| Proper Motion in Dec (J2000) | -0.000666 |
| Radial Velocity | -025.1km s-1 |
| Trigonometric Parallax | +0.01354s |
| Trigonometric Parallax Uncertainty | 0.00105s |
| GCI Unit Vector in X (J2000) | -0.514179 |
| GCI Unit Vector in Y (J2000) | -0.844607 |
| GCI Unit Vector in Z (J2000) | 0.149196 |
| Galactic Longitude | 18.57° |
Galactic Latitude
| 42.96°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.29 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
| Observed B Magnitude | 6.46 |
| Observed B-V Colour | +0.174 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.008 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.2 |
| Observed Photographic Magnitude | 6.3 |
| Morgan Keenan (MK) Spectral Type | A7Vn |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | AD |
