G6.5−0.4 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 18 02 11
• Declination: −23 34
• Size (/arcmin): 18
• Type: S
• Flux density at 1 GHz (/Jy): 27
• Spectral Index: 0.6

Notes: Has been called G6.51−0.48, and part has been called G6.67−0.42.

Radio: Shell, overlapping G6.4−0.1.

Optical: Detected.

Distance: Optical extinction suggests 3.7 kpc.

References:

• Yusef-Zadeh et al. 2000, ApJ, 540, 842. VLA at 330 MHz (2.'6×5.'5) and 1.4 GHz (0.'7×1.'1). ADS
• Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=60.8±0.4 Jy), plus other observations. ADS
• Casandjian & Grenier 2008, A&A, 489, 849. γ-ray observations. ADS
• Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search. ADS
• Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations. ADS
• Ajello et al. 2016, ApJ, 819, 44. Fermi observations. ADS
• Wang et al. 2020, A&A, 639, A72. Optical extinction for distance. ADS
• Dokara et al. 2021, A&A, 651, A86. VLA at 4 to 8 GHz (18'') including polarisation, and Spitzer observations. ADS

Last updated: 20 Dec 2022

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