Note: this is an archived version which has been superseded. The current SNR catalogue is at https://www.mrao.cam.ac.uk/surveys/snrs/

G21.6−0.8 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 18 33 40
• Declination: −10 25
• Size (/arcmin): 13
• Type: S
• Flux density at 1 GHz (/Jy): 1.4
• Spectral Index: 0.5?

Notes: Has been called G21.64−0.84.

Radio: Faint, irregular shell.

References:

• Bietenholz et al. 2011, MNRAS, 412, 1221. VLA at 327 MHz (85'': S=2.8 Jy) and 1.4 GHz (14''×18''). ADS
• Froebrich et al. 2015, MNRAS, 454, 2586. H₂ IR observations. ADS
• Lee et al. 2019, AJ, 157, 123. H₂ IR observations. ADS
• Dokara et al. 2021, A&A, 651, A86. VLA at 4 to 8 GHz (18'': S=0.03 Jy) including polarisation, and Spitzer observations. ADS

Last updated: 20 Dec 2022

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