13
Apparent Mag1,500
Distance (ly)K0IV+WD
Spectral Type4,800
Temperature (K)GK Persei was a nova in 1901 that reached magnitude 0.2. Its expanding light echo was the first to be photographed.
Stellar Data
Apparent Magnitude13
Absolute Magnitude1
Distance1,500 light-years
Spectral TypeK0IV+WD
Temperature4,800 K
Luminosity5 L☉
Radius3 R☉
Mass0.8 M☉
Right Ascension03h 31m 12.0s
Declination+43° 54′ 15.4″
ConstellationPerseus
Notable Facts
- GK Persei reached magnitude 0.2 during its 1901 eruption
- Its expanding light echo was the first ever photographed
- The system now undergoes periodic dwarf nova outbursts