Identification Data |
Common Name | |
Constellation | Scuturn |
Star Name | del Sct |
Skymap Number | 18420067 |
Henry Draper (HD) Number | 172748 |
Harvard Revised (HR) Number | 7020 |
SAO Number | 142515 |
Durchmusterung (DM) Number | SD-09 4796 |
Washington Double Stars (WDS) Number
| 18423-0903
|
Positional Data |
Position and Proper Motion (PPM) Number | 202045 |
Right Ascension (RA) J2000 | 18h 42m 16.426s |
Declination (Dec) J2000 | -9° 3' 9.175" |
Position Uncertainty | 0.0087s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00053 |
Proper Motion in Dec (J2000) | +0.002066 |
Radial Velocity | -044.8km s-1 |
Trigonometric Parallax | +0.01744s |
Trigonometric Parallax Uncertainty | 0.00080s |
GCI Unit Vector in X (J2000) | 0.181126 |
GCI Unit Vector in Y (J2000) | -0.970792 |
GCI Unit Vector in Z (J2000) | -0.157340 |
Galactic Longitude | 23.84° |
Galactic Latitude
| -2.10°
|
Observational Data |
Observed Visual Magnitude (V) | 4.71 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.010 |
Observed B Magnitude | 5.07 |
Observed B-V Colour | +0.362 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.016 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.7 |
Observed Photographic Magnitude | 5.0 |
Morgan Keenan (MK) Spectral Type | F2IIIpDeltaDel |
One-Dimensional Spectral Class | F0 |
Position Angle | 46 |
Year of Observation | 1963. AD |