Note: this is an archived version which has been superseded.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

G1.9+0.3

• Right Ascension: 17 48 45
• Declination: −27 10
• Size (/arcmin): 1.5
• Type: S
• Flux density at 1 GHz (/Jy): 0.6
• Spectral Index: 0.6

Radio: Shell, brighter to the N, brightening; shows secular increase.

X-ray: Shell, with bright limbs to E and W.

Distance: HI absorption gives <10 kpc.

References:

• Green & Gull 1984, Nature, 312, 527. VLA at 5 GHz (4."4×2''). ADS
• Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43''×94''). ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS
• Yusef-Zadeh et al. 2004, ApJS, 155, 421. VLA at 1.4 GHz (8."3×12''). ADS
• Nord et al. 2004, AJ, 128, 1646. VLA at 330 MHz (7''×12''). ADS
• Green 2004, BASI, 32, 335. VLA at 1.5 GHz (7."2×9."4). ADS
• Reynolds et al. 2008, ApJ, 680, L41. Chandra observations. ADS
• Green et al. 2008, MNRAS, 387, L54. VLA at 4.86 GHz (4''×10''), for expansion studies. ADS
• Murphy et al. 2008, MNRAS, 389, L23. MOST at 843 MHz for flux increase. ADS
• Gómez & Rodríguez 2009, RMxAA, 45, 91. VLA at 1.5 GHz (5."1×10."6). ADS
• Reynolds et al. 2009, ApJ, 695, L149. Chandra spectroscopy. ADS
• Borkowski et al. 2010, ApJ, 724, L161. Chandra observations. ADS
• Carlton et al. 2011, ApJ, 737, L22. Chandra expansion studies. ADS
• Borkowski et al. 2013, ApJ, 771, L9. Chandra observations. ADS
• Abramowski et al. 2014, MNRAS, 441, 790. γ-ray observations. ADS
• Borkowski et al. 2014, ApJ, 790, L18. Chandra expansion studies. ADS
• Roy & Pal 2014, IAUS, 296, 197. GMRT HI observations. ADS
• De Horta et al. 2014, SerAJ, 189, 41. ATCA at 1.4 (5''.4×10''.4), 2.4 (2''.9×6''.1) and 5 GHz (1''.2×2''.8). ADS
• Gök & Ergin 2015, AdSpR, 56, 1793. Suzaku and γ-ray observations. ADS
• Zoglauer et al. 2015, ApJ, 798, 98. NuSTAR observations. ADS

Last updated: 12 Jun 2017

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