| Identification Data |
| Common Name | |
| Constellation | Hydra |
| Star Name | phi2Hya |
| Skymap Number | 10360047 |
| Henry Draper (HD) Number | 91880 |
| Harvard Revised (HR) Number | 4156 |
| SAO Number | 156093 |
| Durchmusterung (DM) Number | SD-15 3087 |
Washington Double Stars (WDS) Number
| 10363-1621
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 223191 |
| Right Ascension (RA) J2000 | 10h 36m 16.658s |
| Declination (Dec) J2000 | -16° 20' 39.573" |
| Position Uncertainty | 0.0079s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00211 |
| Proper Motion in Dec (J2000) | +0.002966 |
| Radial Velocity | +015.7km s-1 |
| Trigonometric Parallax | +0.00337s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | -0.896268 |
| GCI Unit Vector in Y (J2000) | 0.342800 |
| GCI Unit Vector in Z (J2000) | -0.281409 |
| Galactic Longitude | 261.95° |
Galactic Latitude
| 35.55°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.01 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 7.62 |
| Observed B-V Colour | +1.610 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.009 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.9 |
| Observed Photographic Magnitude | 7.4 |
| Morgan Keenan (MK) Spectral Type | M1III |
| One-Dimensional Spectral Class | K5 |
| Position Angle | 280 |
| Year of Observation | 1959. AD |
