Identification Data |
Common Name | |
Constellation | Serpens |
Star Name | 38rho Ser |
Skymap Number | 15510048 |
Henry Draper (HD) Number | 141992 |
Harvard Revised (HR) Number | 5899 |
SAO Number | 84037 |
Durchmusterung (DM) Number | BD+21 2829 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 104370 |
Right Ascension (RA) J2000 | 15h 51m 15.909s |
Declination (Dec) J2000 | +20° 58' 40.509" |
Position Uncertainty | 0.0081s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00391 |
Proper Motion in Dec (J2000) | +0.018066 |
Radial Velocity | -061.6km s-1 |
Trigonometric Parallax | +0.00826s |
Trigonometric Parallax Uncertainty | 0.00071s |
GCI Unit Vector in X (J2000) | -0.497332 |
GCI Unit Vector in Y (J2000) | -0.790248 |
GCI Unit Vector in Z (J2000) | 0.358008 |
Galactic Longitude | 34.44° |
Galactic Latitude
| 48.70°
|
Observational Data |
Observed Visual Magnitude (V) | 4.74 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.26 |
Observed B-V Colour | +1.518 |
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 | 4.9 |
Observed Photographic Magnitude | 6.1 |
Morgan Keenan (MK) Spectral Type | K4.5III |
One-Dimensional Spectral Class | K5 |
Position Angle | |
Year of Observation | AD |