R Cygni
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 36m 49.381s [1] |
| Declination | +50° 11′ 59.46″ [1] |
| Spectral type | S2.5,9e-S6,9e(Tc)[2] |
R Cygni is a variable star of the Mira type in the constellation Cygnus. It has a maximum magnitude of 6.1 and a minimum magnitude 14.4; its period of 426 days. It is a red giant ranging between spectral types S2.5,9e-S6,9e(Tc).[2]
References
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