G53.6−2.2 ADS: search title/keyword/abstract or fulltext

3C400.2, ADS: search title/keyword/abstract or fulltext NRAO 611 ADS: search title/keyword/abstract or fulltext

• Right Ascension: 19 38 50
• Declination: +17 14
• Size (/arcmin): 33×28
• Type: S
• Flux density at 1 GHz (/Jy): 8
• Spectral Index: 0.50

Notes: Has been called G53.7−2.2.

Radio: Ring of emission, with extension to NW.

Optical: Filaments and diffuse emission.

X-ray: Centrally brightened, offset to NW.

Distance: Association with HI gives 2.8 kpc.

References:

• Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5′: S=5.3±0.6 Jy). ADS
• Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5′: S=4.8±0.3 Jy). ADS
• Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3′: S=11.7 Jy). ADS
• Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S_430 MHz=20±10 Jy, S_318 MHz=20±3.6 Jy. ADS
• Goss et al. 1975, A&A, 43, 459. WSRT at 610 MHz (1′×3′: S=13.2±1.6 Jy). ADS
• Sabbadin & D′Odorico 1976, A&A, 49, 119. Optical spectra. ADS
• van den Bergh 1978, ApJS, 38, 119. Optical observations. ADS
• Rosado 1983, RMxAA, 8, 59. Optical spectra. ADS
• Blair & Long 1988, PASP, 100, 461. Optical imaging and spectroscopy. ADS
  also see: Blair & Long 1988, PASP, 100, 651. Erratum. ADS
• Long et al. 1991, ApJ, 373, 567. Einstein and optical observations. ADS
• Winkler et al. 1993, ApJ, 405, 608. Optical imaging. ADS
• Dubner et al. 1994, AJ, 108, 207. VLA at 327 MHz (59″) and 1.49 GHz (52″), plus X-rays. ADS
• Saken et al. 1995, ApJ, 443, 231. ROSAT observations. ADS
• Gorham et al. 1996, ApJ, 458, 257. Pulsar search. ADS
• Giacani et al. 1998, A&AS, 133, 61. DRAO at 1.4 GHz for HI studies, including distance. ADS
• Yoshita et al. 2001, PASJ, 53, 93. ASCA observations, and spectral comparison with ROSAT. ADS
• Ambrocio-Cruz et al. 2006, RMxAA, 42, 241. Optical imaging and spectroscopy. ADS
• Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.′5: S=4.00±0.22 Jy) including polarisation and review of flux densities. ADS
• Broersen & Vink 2015, MNRAS, 446, 3885. Chandra observations. ADS
• Ergin et al. 2017, ApJ, 842, 22. Suzaku and Fermi observations. ADS
• Sett et al. 2021, A&A, 647, A183. Pulsar radio search. ADS

Last updated: 16 Dec 2022

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