Identification Data |
Common Name | |
Constellation | Boötes |
Star Name | 25rho Boo |
Skymap Number | 14310131 |
Henry Draper (HD) Number | 127665 |
Harvard Revised (HR) Number | 5429 |
SAO Number | 64202 |
Durchmusterung (DM) Number | BD+31 2628 |
Washington Double Stars (WDS) Number
| 14318+3022
|
Positional Data |
Position and Proper Motion (PPM) Number | 77975 |
Right Ascension (RA) J2000 | 14h 31m 49.789s |
Declination (Dec) J2000 | +30° 22' 17.174" |
Position Uncertainty | 0.0095s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00776 |
Proper Motion in Dec (J2000) | +0.120266 |
Radial Velocity | -013.7km s-1 |
Trigonometric Parallax | +0.02192s |
Trigonometric Parallax Uncertainty | 0.00081s |
GCI Unit Vector in X (J2000) | -0.680263 |
GCI Unit Vector in Y (J2000) | -0.530667 |
GCI Unit Vector in Z (J2000) | 0.505604 |
Galactic Longitude | 47.28° |
Galactic Latitude
| 67.80°
|
Observational Data |
Observed Visual Magnitude (V) | 3.57 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.87 |
Observed B-V Colour | +1.300 |
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 | 3.8 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K3-III |
One-Dimensional Spectral Class | K0 |
Position Angle | 339 |
Year of Observation | 1953. AD |