Identification Data |
Common Name | Alkalurops |
Constellation | Boötes |
Star Name | 51mu 1Boo |
Skymap Number | 15240088 |
Henry Draper (HD) Number | 137391 |
Harvard Revised (HR) Number | 5733 |
SAO Number | 64686 |
Durchmusterung (DM) Number | BD+37 2636 |
Washington Double Stars (WDS) Number
| 15245+3723
|
Positional Data |
Position and Proper Motion (PPM) Number | 78563 |
Right Ascension (RA) J2000 | 15h 24m 29.427s |
Declination (Dec) J2000 | +37° 22' 37.800" |
Position Uncertainty | 0.0124s |
Proper Motion in RA (J2000)/cos(Dec) | -0.01239 |
Proper Motion in Dec (J2000) | +0.084766 |
Radial Velocity | -012.1km s-1 |
Trigonometric Parallax | +0.02696s |
Trigonometric Parallax Uncertainty | 0.00065s |
GCI Unit Vector in X (J2000) | -0.498771 |
GCI Unit Vector in Y (J2000) | -0.618633 |
GCI Unit Vector in Z (J2000) | 0.607059 |
Galactic Longitude | 60.39° |
Galactic Latitude
| 56.31°
|
Observational Data |
Observed Visual Magnitude (V) | 4.30 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.62 |
Observed B-V Colour | +0.319 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.5 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | F2IVa |
One-Dimensional Spectral Class | F0 |
Position Angle | 280 |
Year of Observation | 1993. AD |