Identification Data |
Common Name | |
Constellation | Leo |
Star Name | 15 Leo |
Skymap Number | 9430080 |
Henry Draper (HD) Number | 84107 |
Harvard Revised (HR) Number | 3861 |
SAO Number | 61656 |
Durchmusterung (DM) Number | BD+30 1901 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 99807 |
Right Ascension (RA) J2000 | 9h 43m 33.260s |
Declination (Dec) J2000 | +29° 58' 28.104" |
Position Uncertainty | 0.0085s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00130 |
Proper Motion in Dec (J2000) | -0.103566 |
Radial Velocity | +015.6km s-1 |
Trigonometric Parallax | +0.02048s |
Trigonometric Parallax Uncertainty | 0.00083s |
GCI Unit Vector in X (J2000) | -0.717209 |
GCI Unit Vector in Y (J2000) | 0.485795 |
GCI Unit Vector in Z (J2000) | 0.499614 |
Galactic Longitude | 197.48° |
Galactic Latitude
| 48.93°
|
Observational Data |
Observed Visual Magnitude (V) | 5.64 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.75 |
Observed B-V Colour | +0.109 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A2IV |
One-Dimensional Spectral Class | A2 |
Position Angle | |
Year of Observation | AD |