| Identification Data |
| Common Name | |
| Constellation | Serpens |
| Star Name | 15tau3Ser |
| Skymap Number | 15350098 |
| Henry Draper (HD) Number | 139074 |
| Harvard Revised (HR) Number | 5795 |
| SAO Number | 101631 |
| Durchmusterung (DM) Number | BD+18 3044 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 131527 |
| Right Ascension (RA) J2000 | 15h 35m 33.230s |
| Declination (Dec) J2000 | +17° 39' 19.999" |
| Position Uncertainty | 0.0096s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00539 |
| Proper Motion in Dec (J2000) | -0.013366 |
| Radial Velocity | -022.3km s-1 |
| Trigonometric Parallax | +0.00787s |
| Trigonometric Parallax Uncertainty | 0.00087s |
| GCI Unit Vector in X (J2000) | -0.561599 |
| GCI Unit Vector in Y (J2000) | -0.769818 |
| GCI Unit Vector in Z (J2000) | 0.303294 |
| Galactic Longitude | 27.65° |
Galactic Latitude
| 51.08°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.10 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 7.07 |
| Observed B-V Colour | +0.971 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.1 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | gG8 |
| One-Dimensional Spectral Class | K0 |
| Position Angle | |
| Year of Observation | AD |
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