Note: this is an archived version which has been superseded.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

G119.5+10.2     CTA 1

• Right Ascension: 00 06 40
• Declination: +72 45
• Size (/arcmin): 90?
• Type: S
• Flux density at 1 GHz (/Jy): 36
• Spectral Index: 0.6

Notes: Has been called G119.5+10.3.

Radio: Incomplete shell, with `breakout' to NW.

Optical: Faint diffuse nebulosities.

X-ray: Centrally brightened.

Point sources: γ-ray pulsar.

Distance: Associated HI shell indicates 1.4 kpc.

References:

• Sieber et al. 1979, A&A, 74, 361. Effelsberg 100-m at 2.7 GHz (4'.4: S=23.6±2.8 Jy). ADS
• Sieber et al. 1981, A&A, 103, 393. Effelsberg 100-m at 2.7 GHz and 1.7 GHz (7'.6: S=31.6±2.5 Jy), and 151 MHz (4': S=62.6±6 Jy). ADS
• Fesen et al. 1981, ApJ, 247, 148. Optical, including spectra. ADS
• Fesen et al. 1983, ApJS, 51, 337. Deep [OIII] imagery. ADS
• Seward 1990, ApJS, 73, 781. Einstein observations. ADS
• Simonetti 1992, ApJ, 386, 170. VLA observations of background sources for rotation measure studies. ADS
• Pineault et al. 1993, AJ, 105, 1060. DRAO at 1.4 GHz (1': S=34±4 Jy), plus HI and IRAS. ADS
• Seward et al. 1995, ApJ, 453, 284. ROSAT observations. ADS
• Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. ADS
• Slane et al. 1997, ApJ, 485, 221. ASCA and ROSAT observations. ADS
• Pineault et al. 1997, A&A, 324, 1152. DRAO at 408 MHz (3'.5) and 1.4 GHz (1'.0). ADS
• Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. ADS
• Brazier et al. 1998, MNRAS, 295, 819. Studies of central, compact γ-ray source. ADS
• Mavromatakis et al. 2000, A&A, 353, 371. Optical imagery. ADS
• Roberts et al. 2001, ApJS, 133, 451. ASCA observations. ADS
• Reich 2002, in NSPS, p1. Effelsberg 100-m at 1.4 GHz (9'.4). ADS
• Slane et al. 2004, ApJ, 601, 1045. XMM observations of central source. ADS
• Halpern et al. 2004, ApJ, 612, 398. Chandra observations of central nebula, plus optical and radio limits for compact source. ADS
• Casandjian & Grenier 2008, A&A, 489, 849. γ-ray observations. ADS
• Abdo et al. 2008, Science, 322, 1218. γ-ray detection of pulsar. ADS

Last updated: 19 Feb 2009