Astronomy:Sh 2-112
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| 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
- ↑ "SIMBAD query result". https://simbad.u-strasbg.fr/simbad/sim-id?Ident=Sh%202-112&NbIdent=1&Radius=10&Radius.unit=arcmin&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&output.max=all&o.catall=on&output.mesdisp=N&Bibyear1=1983&Bibyear2=2005&Frame1=FK5&Frame2=FK4&Frame3=G&Equi1=2000.0&Equi2=1950.0&Equi3=2000.0&Epoch1=2000.0&Epoch2=1950.0&Epoch3=2000.0.
- ↑ "Sharpless (Sh2) - Astrobasics". 13 September 2022. https://astrobasics.de/galerie/kataloge/sh2/#object-10511.
- ↑ "Bernhard Hubl - Sh2-112". 5 October 2023. http://www.astrophoton.com/S112-2.htm.
- ↑ "SH2-112 - A Diffuse Emission Nebula in Cygnus - 15.7 Hours in SHOrgb". https://cosgrovescosmos.com/projects/sh2-112.
- ↑ "Sh 2-112". http://galaxymap.org/cat/view/sharpless/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. doi:10.26093/cds/vizier.19050061. Bibcode: 2022yCat..19050061P. https://ui.adsabs.harvard.edu/abs/2022yCat..19050061P/abstract.
- ↑ 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. doi:10.3847/1538-4357/ac940f. Bibcode: 2022ApJ...939...46P.
- ↑ "Sh2-112". https://www.aapod2.com/blog/Sh2-112.
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