RT Normae
R Coronae Borealis variable star in the constellation Norma
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RT Normae is an R Coronae Borealis type variable star in the constellation Norma. It has a baseline magnitude of 9.8, dropping down to 14.7 at its minima.[4]
| Observation data Epoch J2000.0 ICRS Equinox J2000.0 ICRS | |
|---|---|
| Constellation | Norma |
| Right ascension | 16h 24m 18.65396s[3] |
| Declination | −59° 20′ 38.6476″ [3] |
| Apparent magnitude (V) | 9.8-14.7 [4] |
| Characteristics | |
| Spectral type | C (R)[4] |
| Variable type | R CrB variable |
| Astrometry | |
| Parallax (π) | 27.29±17.10 mas[3] |
| Distance | approx. 120 ly (approx. 40 pc) |
| Details | |
| Mass | <0.55[5] M☉ |
| Temperature | 7000[5] K |
| Other designations | |
| HIP 80365, CPD-59 6719 | |
| Database references | |
| SIMBAD | data |
It has less than 55% the mass of the Sun and an effective (surface) temperature of around 7000 K.[5]