Sh 2-112
| Emission nebula | |
|---|---|
 | |
| Observation data: J2000 epoch | |
| Right ascension | 20h 33m 49s |
| Declination | 45d 38m[1] |
| Distance | 5600 ly (1740 pc) |
| Apparent magnitude (V) | 13.8[2] |
| Apparent dimensions (V) | 15' x 15'[3] |
| Constellation | Cygnus |
| Physical characteristics | |
| Radius | 25 ly |
| Designations | DWB 174, LBN 337[4] |
Sh 2-112 is a nebula in Cygnus. It is located within the Orion Arm, and is near star complex Cygnus X. It is ionized by the central star BD+45 3216.[5] It is a region of star-formation, with 138 Young Stellar Objects candidates within the nebula.[6] The average age of these objects is about one million years.[7] it contains a large dust band on its western side.[8]
References
[edit]- ^ "SIMBAD query result".
- ^ "Sharpless (Sh2) - Astrobasics". 13 September 2022.
- ^ "Bernhard Hubl - Sh2-112". 5 October 2023.
- ^ "SH2-112 - A Diffuse Emission Nebula in Cygnus - 15.7 Hours in SHOrgb".
- ^ "Sh 2-112".
- ^ Panwar, N.; Sharma, S.; Ojha, D. K.; Baug, T.; Dewangan, L. K.; Bhatt, B. C.; Pandey, R. (2022). "VizieR Online Data Catalog: YSO candidates in the HII region SH 2-112 (Panwar+, 2020)". Vizier Online Data Catalog. Bibcode:2022yCat..19050061P. doi:10.26093/cds/vizier.19050061.
- ^ Panja, Alik; Sun, Yan; Chen, Wen Ping; Mondal, Soumen (2022). "Star and Cluster Formation in the Sh2-112 Filamentary Cloud Complex". The Astrophysical Journal. 939 (1): 46. arXiv:2209.09609. Bibcode:2022ApJ...939...46P. doi:10.3847/1538-4357/ac940f.
- ^ "Sh2-112".
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