| Identification Data |
| Common Name | |
| Constellation | Serpens |
| Star Name | 18tau5Ser |
| Skymap Number | 15360092 |
| Henry Draper (HD) Number | 139225 |
| Harvard Revised (HR) Number | 5804 |
| SAO Number | 101642 |
| Durchmusterung (DM) Number | BD+16 2807 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 131544 |
| Right Ascension (RA) J2000 | 15h 36m 29.239s |
| Declination (Dec) J2000 | +16° 7' 8.705" |
| Position Uncertainty | 0.0080s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00497 |
| Proper Motion in Dec (J2000) | -0.005566 |
| Radial Velocity | -002.0km s-1 |
| Trigonometric Parallax | +0.02040s |
| Trigonometric Parallax Uncertainty | 0.00081s |
| GCI Unit Vector in X (J2000) | -0.563024 |
| GCI Unit Vector in Y (J2000) | -0.778411 |
| GCI Unit Vector in Z (J2000) | 0.277635 |
| Galactic Longitude | 25.54° |
Galactic Latitude
| 50.29°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.94 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.28 |
| Observed B-V Colour | +0.339 |
| 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 | 5.9 |
| Observed Photographic Magnitude | 6.2 |
| Morgan Keenan (MK) Spectral Type | F3V |
| One-Dimensional Spectral Class | F0 |
| Position Angle | |
| Year of Observation | AD |
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