Identification Data |
Common Name | |
Constellation | Leo |
Star Name | 42 Leo |
Skymap Number | 10210128 |
Henry Draper (HD) Number | 89774 |
Harvard Revised (HR) Number | 4070 |
SAO Number | 99080 |
Durchmusterung (DM) Number | BD+15 2192 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 127335 |
Right Ascension (RA) J2000 | 10h 21m 50.303s |
Declination (Dec) J2000 | +14° 58' 32.784" |
Position Uncertainty | 0.0093s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00222 |
Proper Motion in Dec (J2000) | -0.011366 |
Radial Velocity | +008.7km s-1 |
Trigonometric Parallax | +0.00685s |
Trigonometric Parallax Uncertainty | 0.00084s |
GCI Unit Vector in X (J2000) | -0.878772 |
GCI Unit Vector in Y (J2000) | 0.401228 |
GCI Unit Vector in Z (J2000) | 0.258411 |
Galactic Longitude | 224.50° |
Galactic Latitude
| 53.21°
|
Observational Data |
Observed Visual Magnitude (V) | 6.17 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 6.17 |
Observed B-V Colour | -0.005 |
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 | 6.1 |
Observed Photographic Magnitude | 6.0 |
Morgan Keenan (MK) Spectral Type | A1V |
One-Dimensional Spectral Class | B9 |
Position Angle | |
Year of Observation | AD |