21 Eridani
- Flamsteed:
- 21 Eridani
- SAO:
- 130634
- HR:
- 1111
- HD:
- 22713
- DM:
- BD-06 713
- GC:
- 4347
- Right Ascention:
- 3h 39m 1.119s
- Declination:
- -5° 37' 34.02"
- Magnitude:
- 6.0
- Spectral Type:
- K1V
- Constellation:
- Eridanus
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