RR UMi (Star)
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , RR UMi is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible around 18:47 (EDT), 39° above your north-western horizon. It will be lost to dawn twilight around 06:10, 33° above your north-eastern horizon.
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|
Name
RR UMi
|
Object Type
Star
|
Position
| Constellation: | Ursa Minor |
| Magnitude: Variable | 4.71 (V) [1] 6.59 (BT) [1] 4.87 (VT) [1] 3.09 (G) [2] 4.95 (BP) [2] 2.37 (RP) [2] |
| B-V Color (mag): | 1.47 |
| Right ascension: | 14h57m34s [2] |
| Declination: | +65°55'57" [2] |
| Distance: | 99.8 parsec 325.3 lightyrs [2] |
| Proper motion (speed): | 86.5 mas/yr [2] |
| Proper motion (pos ang): | 288.2° |
Derived Quantities
| Absolute mag (V): | -0.29 |
Visibility from Cambridge
All times shown in Cambridge local time.