The star HR 3991
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Fairfield , HR 3991 is not observable – it will reach its highest point in the sky during daytime and is 4° below the horizon at dusk.
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|
Name
HR 3991
|
Object Type
Star
|
Position
| Constellation: | Hydra |
| Magnitude: | 5.30 (V) [1] 5.71 (BT) [1] 5.34 (VT) [1] 5.18 (G) [2] 5.41 (BP) [2] 4.90 (RP) [2] |
| B-V Color (mag): | 0.32 |
| Right ascension: | 10h10m05s [2] |
| Declination: | -12°48'59" [2] |
| Distance: | 27.8 parsec 90.7 lightyrs [2] |
| Proper motion (speed): | 164.5 mas/yr [2] |
| Proper motion (pos ang): | 228.1° |
Derived Quantities
| Absolute mag (V): | 3.08 |