G67.7+1.8 ADS: search title/keyword/abstract or fulltext

• Right Ascension: 19 54 32
• Declination: +31 29
• Size (/arcmin): 15×12
• Type: S
• Flux density at 1 GHz (/Jy): 1.0
• Spectral Index: 0.61

Radio: Double arc shell.

Optical: Filaments in N.

X-ray: Detected.

Point sources: Compact X-ray source.

Distance: Optical absorption suggests 1.5–5.7 kpc.

References:

• Taylor et al. 1992, AJ, 103, 931. WSRT at 327 MHz (1.′0×1.′9: S=1.9±0.1 Jy), and northern sky survey at 4.9 GHz (S=0.42±0.05 Jy). ADS
• Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. ADS
• Mavromatakis et al. 2001, A&A, 370, 265. Optical observations. ADS
• Kothes et al. 2006, A&A, 457, 1081. CGPS at 408 MHz (~3′: S=1.1±0.1 Jy) and 1420 MHz (~1′: S=0.68±0.04 Jy), including polarisation and review of flux densities. ADS
• Gök et al. 2008, Ap&SS, 318, 207. Optical observations. ADS
• Hurley-Walker et al. 2009, MNRAS, 396, 365. Radio observations at 14 to 18 GHz. ADS
• Hui & Becker 2009, A&A, 494, 1005. Chandra observations. ADS
• Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.′5: S=0.30±0.03 Jy) including polarisation and review of flux densities. ADS
• Shan et al. 2018, ApJS, 238, 35. Optical absorption for distance. ADS

Last updated: 9 Apr 2019

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