The star HR 3991
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From Fairfield , HR 3991 is visible between 20:17 and 02:39. It will become accessible around 20:17, when it rises to an altitude of 20° above your south-eastern horizon. It will reach its highest point in the sky at 23:26, 36° above your southern horizon. It will become inaccessible around 02:39 when it sinks below 20° above your south-western horizon.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
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 |