RR Ursae Minoris
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Ursa Minor |
| Right ascension | 14h 57m 35.00729s [1] |
| Declination | +65° 55′ 56.8569″ [1] |
| Spectral type | M5III [1] |
RR Ursae Minoris (RR UMi, also this is, probably, Tau Ursae Minoris) is a star in the constellation Ursa Minor. A red giant of spectral type M5III, it is a semiregular variable ranging from magnitude 4.44 to 4.85 over a period of 43.3 days.[2] It has been speculated that it might be a spectroscopic binary, but no evidence of a companion has been confirmed.[3]
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