Sigma Aurigae
- Bayer:
- σ Aur
- Bayer Long
- Sigma Aurigae
- Flamsteed:
- 21 Aurigae
- SAO:
- 57981
- HR:
- 1773
- HD:
- 35186
- DM:
- BD+37 1175
- GC:
- 6636
- Right Ascention:
- 5h 24m 39.150s
- Declination:
- +37° 23' 7.53"
- Magnitude:
- 5.2
- Spectral Type:
- K4III
- Constellation:
- Auriga
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