Z Ursae Minoris

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Z Ursae Minoris
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Ursa Minor
Right ascension 15h 02m 01.477s [1]
Declination +83° 03′ 48.66″ [1]
Spectral type C

Z Ursae Minoris (Z UMi) is a star in the constellation Ursa Minor. It was confirmed to be one of a rare class of stars—R Coronae Borealis variables—after its spectrum was analysed in 2006.[2] Initially observed to be variable in 1934, it suddenly dropped 6 magnitudes in 1992 and was subsequently diagnosed as an RcB star.[3] Up till this point it was thought to have been a long period (Mira) variable.[2]

References

  1. ↑ 1.0 1.1 SIMBAD, Z Ursae Minoris (accessed 18 May 2014)
  2. ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.


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