Sh 2-40
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(Redirected from RCW 155)
Molecular cloud
| Nebula | |
|---|---|
| Seen near the top | |
| Observation data: J2000 epoch | |
| Right ascension | 18h 12m 10s |
| Declination | −17° 42′ 48″[1] |
| Apparent dimensions (V) | 15' x 15'[2] |
| Constellation | Sagittarius |
| Physical characteristics | |
| Radius | 2400 pc |
| Designations | RCW 155, LBN 49 |
| See also: Lists of nebulae | |
Sh 2-40 is a large nebula in Sagittarius. It is just north of Sh 2-41. Sh 2-40 is in the same direction as powerful radio source W 33. W 33 is, however, about 4600 parsecs more distant than Sh 2-40.[3]
References
[edit ]- ^ "SIMBAD query result".
- ^ "Sharpless (Sh2) - Astrobasics". 13 September 2022.
- ^ "Sh 2-40".
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