Sh 2-7 Explained

Sh 2-7
Type:	Emission
Ra:	16h 0m
Dec:	-22d 57m
Constellation:	Scorpius

Sh 2-7 is an emission nebula in the Scorpius constellation. The nebula is around the star Delta Scorpii. It lies next to a large reflection nebula, Sh 2-1.^[1]

According to the paper Interstellar magnetic cannon targeting the Galactic halo. A young bubble at the origin of the Ophiuchus and Lupus molecular complexes, the HII region Sh 2-7 may be acting as a faraday screen, altering the polarization of the GCS. ^[2]

External links

• NASA APOD Sharpless 249 and the Jellyfish Nebula

Notes and References

1. Web site: SH2-7 . Sharpless Catalog . SharplessCatalog.Com . October 11, 2019.
2. Robitaille. J.-F.. Scaife. A. M. M.. Carretti. E.. Haverkorn. M.. Crocker. R. M.. Kesteven. M. J.. Poppi. S.. Staveley-Smith. L.. 2018-09-01. Interstellar magnetic cannon targeting the Galactic halo - A young bubble at the origin of the Ophiuchus and Lupus molecular complexes. Astronomy & Astrophysics. en. 617. A101. 10.1051/0004-6361/201833358. 1807.04054 . 2018A&A...617A.101R . 0004-6361. free.