Note: this is an archived version which has been superseded.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

G18.1−0.1 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 18 24 34
• Declination: −13 11
• Size (/arcmin): 8
• Type: S
• Flux density at 1 GHz (/Jy): 4.6
• Spectral Index: 0.5

Notes: Has been called G18.1−0.2 and G18.16−0.16.

Radio: Shell.

X-ray: Possibly detected.

Distance: HI absorption suggests 6.4 kpc, H₂ emission suggests about 5.3 kpc.

References:

• Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (8'). ADS
• Kassim et al. 1989, ApJ, 338, 152. VLA at 330 MHz (2.'8×3.'2) and 1.5 GHz (0.'9×1.'5). ADS
• Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations. ADS
• Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=7.6±0.1 Jy), plus other observations. ADS
• Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search. ADS
• Paron et al. 2013, MNRAS, 433, 1619. CO, optical and other observations of region. ADS
• Leahy et al. 2014, MNRAS, 438, 1813. VGPS HI observations. ADS
• Froebrich et al. 2015, MNRAS, 454, 2586. H₂ IR observations. ADS
• Voison et al. 2016, MNRAS, 458, 2813. Molecular line observations of region. ADS
• Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations. ADS
• Lee et al. 2019, AJ, 157, 123. [FeII] and H₂ IR observations. ADS
• Lee et al. 2020, AJ, 160, 263. H₂ IR observations. ADS
• H.E.S.S. Collaboration: Abdalla et al. 2020, A&A, 644, A112. H.E.S.S. observations. ADS
• Dokara et al. 2021, A&A, 651, A86. VLA at 4 to 8 GHz (18'': S=0.2 Jy) including polarisation, and Spitzer observations. ADS
• Sofue et al. 2021, ApJS, 253, 17. Nobeyama 45-m CO observations (20'') of region. ADS

Last updated: 20 Dec 2022

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