Identification Data |
Common Name | |
Constellation | Perseus |
Star Name | 16 Per |
Skymap Number | 2500067 |
Henry Draper (HD) Number | 17584 |
Harvard Revised (HR) Number | 840 |
SAO Number | 55928 |
Durchmusterung (DM) Number | BD+37 646 |
Washington Double Stars (WDS) Number
| 02506+3819
|
Positional Data |
Position and Proper Motion (PPM) Number | 67819 |
Right Ascension (RA) J2000 | 2h 50m 35.059s |
Declination (Dec) J2000 | +38° 19' 7.117" |
Position Uncertainty | 0.0094s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01663 |
Proper Motion in Dec (J2000) | -0.108966 |
Radial Velocity | +014.0km s-1 |
Trigonometric Parallax | +0.02554s |
Trigonometric Parallax Uncertainty | 0.00077s |
GCI Unit Vector in X (J2000) | 0.577096 |
GCI Unit Vector in Y (J2000) | 0.531524 |
GCI Unit Vector in Z (J2000) | 0.620034 |
Galactic Longitude | 147.26° |
Galactic Latitude
| -18.86°
|
Observational Data |
Observed Visual Magnitude (V) | 4.22 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.58 |
Observed B-V Colour | +0.361 |
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 | 4.3 |
Observed Photographic Magnitude | 4.5 |
Morgan Keenan (MK) Spectral Type | F2III |
One-Dimensional Spectral Class | F0 |
Position Angle | 121 |
Year of Observation | 1960. AD |