4.28
Apparent Mag122
Distance (ly)K1IIIe
Spectral Type4,564
Temperature (K)Sigma Geminorum is an active RS CVn-type chromospherically active star in Gemini.
Stellar Data
Apparent Magnitude4.28
Absolute Magnitude1.11
Distance122 light-years
Spectral TypeK1IIIe
Temperature4,564 K
Luminosity38 L☉
Radius10 R☉
Mass2 M☉
Right Ascension07h 43m 18.7s
Declination+28° 53′ 00.6″
ConstellationGemini
Notable Facts
- Sigma Geminorum is an RS CVn variable
- It shows strong chromospheric activity and starspots
- The star is a spectroscopic binary