| Identification Data |
| Common Name | |
| Constellation | Serpens |
| Star Name | 20chi Ser |
| Skymap Number | 15410109 |
| Henry Draper (HD) Number | 140160 |
| Harvard Revised (HR) Number | 5843 |
| SAO Number | 101683 |
| Durchmusterung (DM) Number | BD+13 2982 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 131611 |
| Right Ascension (RA) J2000 | 15h 41m 47.415s |
| Declination (Dec) J2000 | +12° 50' 51.099" |
| Position Uncertainty | 0.0103s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00271 |
| Proper Motion in Dec (J2000) | -0.004666 |
| Radial Velocity | +001.9km s-1 |
| Trigonometric Parallax | +0.01428s |
| Trigonometric Parallax Uncertainty | 0.00084s |
| GCI Unit Vector in X (J2000) | -0.552961 |
| GCI Unit Vector in Y (J2000) | -0.802989 |
| GCI Unit Vector in Z (J2000) | 0.222357 |
| Galactic Longitude | 21.84° |
Galactic Latitude
| 47.75°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.33 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.37 |
| Observed B-V Colour | +0.037 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.3 |
| Observed Photographic Magnitude | 5.3 |
| Morgan Keenan (MK) Spectral Type | A0pSr |
| One-Dimensional Spectral Class | A0 |
| Position Angle | |
| Year of Observation | AD |
