| Identification Data | 
| Common Name |  | 
| Constellation | Serpens | 
| Star Name | 45    Ser | 
| Skymap Number | 16070117 | 
| Henry Draper (HD) Number | 144874 | 
| Harvard Revised (HR) Number | 6004 | 
| SAO Number | 101939 | 
| Durchmusterung (DM) Number | BD+10 2958 | 
Washington Double Stars (WDS) Number
  | 
  | 
| Positional Data | 
| Position and Proper Motion (PPM) Number | 162259 | 
| Right Ascension (RA) J2000 | 16h 7m 37.538s | 
| Declination (Dec) J2000 | +9° 53' 30.275" | 
| Position Uncertainty | 0.0104s | 
| Proper Motion in RA (J2000)/cos(Dec) | -0.00141 | 
| Proper Motion in Dec (J2000) | -0.007166 | 
| Radial Velocity | -027.9km s-1 | 
| Trigonometric Parallax | +0.01212s | 
| Trigonometric Parallax Uncertainty | 0.00083s | 
| GCI Unit Vector in X (J2000) | -0.463913 | 
| GCI Unit Vector in Y (J2000) | -0.869065 | 
| GCI Unit Vector in Z (J2000) | 0.171787 | 
| Galactic Longitude | 22.16° | 
Galactic Latitude
  | 40.77°
  | 
| Observational Data | 
| Observed Visual Magnitude (V) | 5.64 | 
| Derived Visual Magnitude |  | 
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 | 
| Observed B Magnitude | 5.85 | 
| Observed B-V Colour | +0.205 | 
| 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 | 5.6 | 
| Observed Photographic Magnitude | 5.9 | 
| Morgan Keenan (MK) Spectral Type | A7V | 
| One-Dimensional Spectral Class | A5 | 
| Position Angle |  | 
| Year of Observation |  AD |