Identification Data |
Common Name | |
Constellation | Virgo |
Star Name | 40psi Vir |
Skymap Number | 12540052 |
Henry Draper (HD) Number | 112142 |
Harvard Revised (HR) Number | 4902 |
SAO Number | 139033 |
Durchmusterung (DM) Number | SD-08 3449 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 195950 |
Right Ascension (RA) J2000 | 12h 54m 21.163s |
Declination (Dec) J2000 | -9° 32' 20.380" |
Position Uncertainty | 0.0082s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00123 |
Proper Motion in Dec (J2000) | -0.019766 |
Radial Velocity | +017.6km s-1 |
Trigonometric Parallax | +0.00782s |
Trigonometric Parallax Uncertainty | 0.00082s |
GCI Unit Vector in X (J2000) | -0.958570 |
GCI Unit Vector in Y (J2000) | -0.231693 |
GCI Unit Vector in Z (J2000) | -0.165719 |
Galactic Longitude | 304.15° |
Galactic Latitude
| 53.33°
|
Observational Data |
Observed Visual Magnitude (V) | 4.79 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.33 |
Observed B-V Colour | +1.542 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.9 |
Observed Photographic Magnitude | 6.3 |
Morgan Keenan (MK) Spectral Type | M3-IIICa-1 |
One-Dimensional Spectral Class | M0 |
Position Angle | |
Year of Observation | AD |