Brachium
- Proper Name:
- Brachium
- Bayer:
- σ Lib
- Bayer Long
- Sigma Librae
- Flamsteed:
- 20 Librae
- Meade Star Number:
- 159
- SAO:
- 183139
- HR:
- 5603
- HD:
- 133216
- DM:
- CD-2411834
- GC:
- 20253
- Right Ascention:
- 15h 4m 4.215s
- Declination:
- -25° 16' 55.14"
- Magnitude:
- 3.4
- Spectral Type:
- M3-III
- Constellation:
- Libra
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