G93.3+6.9 ADS: search title/keyword/abstract or fulltext

DA 530, ADS: search title/keyword/abstract or fulltext 4C(T)55.38.1 ADS: search title/keyword/abstract or fulltext

• Right Ascension: 20 52 25
• Declination: +55 21
• Size (/arcmin): 27×20
• Type: C?
• Flux density at 1 GHz (/Jy): 9
• Spectral Index: 0.45

Notes: Has been called G93.2+6.7.

Radio: Shell, with two bright limbs, highly polarised.

X-ray: Compact central source.

Distance: HI and observations imply >4.4 kpc.

References:

• Roger & Costain 1976, A&A, 51, 151. DRAO at 1.42 GHz (2.′0×2.′4: S=6.9 Jy). ADS
• Haslam et al. 1980, A&A, 92, 57. Effelsberg 100-m at 1.72 GHz (7.′6: S=6.47±0.52 Jy) and 2.7 GHz (4.′4: S=5.64±0.64 Jy), plus review of flux densities. ADS
• Lalitha et al. 1984, A&A, 131, 196. Effelsberg 100-m at 4.75 GHz (smoothed to 3′: S=4.01±0.57 Jy). ADS
• Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. ADS
• Landecker et al. 1999, ApJ, 527, 866. DRAO at 408 MHz (3.′5×4.′3) and 1.4 GHz (1.′0×1.′2), including polarisation and HI. ADS
• Foster & Routledge 2003, ApJ, 598, 1005. HI for distance. ADS
• Kaplan et al. 2004, ApJS, 153, 269. Chandra limits for any compact source. ADS
• Kothes et al. 2006, A&A, 457, 1081. CGPS at 408 MHz (~3′: S=10.5±0.7 Jy) and 1420 MHz, including review of flux densities. ADS
• Jiang et al. 2007, ApJ, 670, 1142. Chandra observations. ADS
• Bocchino et al. 2008, AdSpR, 41, 407. XMM-Newton observations. ADS
• Jeong et al. 2012, Ap&SS, 342, 389. CO observations of region. ADS
• Deniz et al. 2022, AdSpR, 69, 2342. Suzaku observations. ADS
• Booth et al. 2022, ApJ, 941, 17. DRAO and VLA at 1.4 GHz for HI polarisation absorption, for distance. ADS
• Xin & Guo 2023, ApJ, 955, 84. Fermi observations. ADS

Last updated: 12 Mar 2024

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