Identification Data |
Common Name | |
Constellation | Corona Borealis |
Star Name | 8gam CrB |
Skymap Number | 15420099 |
Henry Draper (HD) Number | 140436 |
Harvard Revised (HR) Number | 5849 |
SAO Number | 83958 |
Durchmusterung (DM) Number | BD+26 2722 |
Washington Double Stars (WDS) Number
| 15427+2618
|
Positional Data |
Position and Proper Motion (PPM) Number | 104258 |
Right Ascension (RA) J2000 | 15h 42m 44.565s |
Declination (Dec) J2000 | +26° 17' 44.295" |
Position Uncertainty | 0.0066s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00837 |
Proper Motion in Dec (J2000) | +0.050767 |
Radial Velocity | -013.7km s-1 |
Trigonometric Parallax | +0.02248s |
Trigonometric Parallax Uncertainty | 0.00067s |
GCI Unit Vector in X (J2000) | -0.505397 |
GCI Unit Vector in Y (J2000) | -0.740488 |
GCI Unit Vector in Z (J2000) | 0.443003 |
Galactic Longitude | 41.74° |
Galactic Latitude
| 51.92°
|
Observational Data |
Observed Visual Magnitude (V) | 3.82 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.84 |
Observed B-V Colour | +0.016 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.9 |
Observed Photographic Magnitude | 3.9 |
Morgan Keenan (MK) Spectral Type | B9IV+A3V |
One-Dimensional Spectral Class | A0 |
Position Angle | |
Year of Observation | 1993. AD |