| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | 39ups1Hya |
| Skymap Number | 9510084 |
| Henry Draper (HD) Number | 85444 |
| Harvard Revised (HR) Number | 3903 |
| SAO Number | 155542 |
| Durchmusterung (DM) Number | SD-14 2963 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 222116 |
| Right Ascension (RA) J2000 | 9h 51m 28.693s |
| Declination (Dec) J2000 | -14° 50' 47.771" |
| Position Uncertainty | 0.0096s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00129 |
| Proper Motion in Dec (J2000) | -0.021966 |
| Radial Velocity | -014.5km s-1 |
| Trigonometric Parallax | +0.01192s |
| Trigonometric Parallax Uncertainty | 0.00081s |
| GCI Unit Vector in X (J2000) | -0.818568 |
| GCI Unit Vector in Y (J2000) | 0.514093 |
| GCI Unit Vector in Z (J2000) | -0.256232 |
| Galactic Longitude | 251.24° |
Galactic Latitude
| 29.44°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.11 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.04 |
| Observed B-V Colour | +0.925 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.3 |
| Observed Photographic Magnitude | 5.3 |
| Morgan Keenan (MK) Spectral Type | G6.5IIIa |
| One-Dimensional Spectral Class | K0 |
| Position Angle | |
| Year of Observation | AD |
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