Astronomy:Sh 2-309
From HandWiki
| Emission nebula | |
|---|---|
| H II region | |
| Observation data: J2000 epoch | |
| Right ascension | 07h 31m 48s |
| Declination | −19° 26′ 05″[1] |
| Distance | 4000 pc |
| Apparent magnitude (V) | 15.87[2] |
| Apparent dimensions (V) | 12'[3] |
| Constellation | Puppis |
| Physical characteristics | |
| Radius | 48 ly |
| Designations | BRAN 42A, RCW 13, LBN 1053 |
Sh 2-309 is a nebula in Puppis. The nebula contains the infrared cluster [DBS2003] 9.[4] It is located beyond the Carina Arm. Sh 2-308 is ionized by the star cluster Bochum 9. Bochum 9 contains about 30 members.[5]
References
- ↑ "Sh 2-309". https://simbad.u-strasbg.fr/simbad/sim-id?Ident=Sh+2-309&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id.
- ↑ "Sharpless (Sh2) - Astrobasics". 13 September 2022. https://astrobasics.de/galerie/kataloge/sh2/#object-10675.
- ↑ "CCD Images of the Sharpless Catalog". http://www.sharplesscatalog.com/sharpless.aspx.
- ↑ "Sh 2-309". http://galaxymap.org/cat/view/sharpless/309.
- ↑ Patat, Ferdinando; Carraro, Giovanni (2001). "Star clusterings in the Carina complex: UBVRI photometry of Bochum 9, 10 and 11". Monthly Notices of the Royal Astronomical Society 325 (4): 1591. doi:10.1046/j.1365-8711.2001.04576.x. Bibcode: 2001MNRAS.325.1591P. https://ui.adsabs.harvard.edu/abs/2001MNRAS.325.1591P/abstract.
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