5.71
Apparent Mag1,400
Distance (ly)G0-K2Iae
Spectral Type4,500
Temperature (K)R Scuti is the brightest RV Tauri variable star, pulsating with alternating deep and shallow minima.
Stellar Data
Apparent Magnitude5.71
Absolute Magnitude-2.6
Distance1,400 light-years
Spectral TypeG0-K2Iae
Temperature4,500 K
Luminosity9,500 L☉
Radius84 R☉
Mass1 M☉
Right Ascension18h 47m 28.9s
Declination-05° 42′ 18.5″
ConstellationScutum
Notable Facts
- R Scuti is the brightest RV Tauri variable
- It alternates between deep and shallow brightness minima
- The star pulsates with a period of about 146 days