Note: this is an archived version which has been superseded.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

G109.1−1.0

CTB 109

• Right Ascension: 23 01 35
• Declination: +58 53
• Size (/arcmin): 28
• Type: S
• Flux density at 1 GHz (/Jy): 22
• Spectral Index: 0.45

Radio: Semicircular shell, with the Molecular cloud S152 is to the immediate W.

Optical: Faint optical filaments.

X-ray: Semicircular shell, with pulsar at W edge.

Point sources: Long period X-ray pulsar (magnetar).

Distance: Various observations imply 3.2 kpc.

References:

• Hughes et al. 1981, ApJ, 246, L127. WSRT at 610 MHz (1': S=40±5 Jy) shows bad CLEAN artefacts. ADS
• Blair & Kirshner 1981, Nature, 291, 132. Optical spectra. ADS
• Downes 1983, MNRAS, 203, 695. Effelsberg 100-m at 2.7 GHz (4.'4: S=13.0±1.5 Jy). ADS
• Sofue et al. 1983, PASJ, 35, 447. NRO 45-m at 10.2 GHz (2.'7). ADS
• Hughes et al. 1984, ApJ, 283, 147. WSRT at 610 MHz (20'': S=26±3 Jy) 1.4 GHz (10''), DRAO at 1.4 GHz (1'×1.'2: S=16.8±2 Jy) and Algonquin 46-m at 6.5 GHz (4.'5: S=6.7±1 Jy). ADS
• Braun & Strom 1986, A&AS, 63, 345. WSRT HI observations. ADS
• Tatematsu et al. 1987, PASJ, 39, 755. NRO 45-m at 10 GHz (2.'7), plus polarisation. ADS
• Tatematsu et al. 1987, A&A, 184, 279. CO observations of the surroundings (2.'7). ADS
• Hanson et al. 1988, A&A, 195, 114. EXOSAT of pulsar. ADS
  also see: Hanson et al. 1988, A&A, 207, 204. Erratum. ADS
• Morini et al. 1988, ApJ, 333, 777. EXOSAT observations. ADS
• Koyama et al. 1989, PASJ, 41, 461. X-ray observations of pulsar. ADS
• Coe et al. 1989, MNRAS, 238, 649. IRAS observations of surroundings. ADS
• Green 1989, MNRAS, 238, 737. OH observations. ADS
• Tatematsu et al. 1990, ApJ, 351, 157. CO of surroundings, plus X-ray observations. ADS
• Davies & Coe 1991, MNRAS, 249, 313. Optical and IR observations near pulsar. ADS
• Hurford & Fesen 1995, MNRAS, 277, 549. ROSAT imaging. ADS
• Rho & Petre 1997, ApJ, 484, 828. ROSAT observations. ADS
• Parmar et al. 1998, A&A, 330, 175. X-ray observations. ADS
• Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. ADS
• Koralesky et al. 1998, AJ, 116, 1323. VLA search for OH emission. ADS
• Patel et al. 2001, ApJ, 563, L45. Chandra observations of pulsar. ADS
• Kothes et al. 2002, ApJ, 576, 169. CGPS at 1.4 GHz (68''×59''), including HI, plus CO observations. ADS
• Sasaki et al. 2004, ApJ, 617, 322. XMM-Newton observations. ADS
• Sasaki et al. 2006, ApJ, 642, L149. CO observations of surroundings, plus Chandra observations. ADS
• Kothes et al. 2006, A&A, 457, 1081. CGPS at 408 MHz (~3': S=26±3 Jy) and 1420 MHz (~1': S=17.4±1.2 Jy), including polarisation and review of flux densities. ADS
• Tian et al. 2010, MNRAS, 404, L1. CGPS for HI absorption. ADS
• Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=9.8±0.5 Jy) including polarisation and review of flux densities. ADS
• Kothes & Foster 2012, ApJ, 746, L4. HI and CO observations of region. ADS
• Castro et al. 2012, ApJ, 756, 88. Fermi observations. ADS
• Sasaki et al. 2013, A&A, 552, A45. Chandra observations of NE. ADS
• Tendulakar et al. 2013, ApJ, 772, 31. Pulsar proper motion study. ADS
• Vogel et al. 2014, ApJ, 789, 75. NuSTAR observations of pulsar. ADS
• Nakano et al. 2015, PASJ, 67, 9. Suzaku observations. ADS
• Acero et al. 2016, ApJS, 224, 8. γ-ray observations. ADS

Last updated: 13 May 2017

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