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Table A.2

Four candidate SNRs in the SMC. This is our own measurements shown here for the first time.

Name Other RA Dec Dmaj × Dmin PA Dav LX [SII]/Hα Notes
MCSNR name (J2000) (J2000) (′′) (°) (pc) (1035 ergs−1)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
J0056-7209 SNRC1 00 56 28.1 –72 09 42.2 340 × 225 30 80.5 0.14 0.47 X-ray & Optical; confirmed as SNR
J0057-7211 N S66D 00 57 49.9 –72 11 47.1 180 × 145 45 47.0 0.17 X-ray & Radio (α = −0.75 ± 0.04; S1 GHz=0.0308 Jy); confirmed as SNR
J0106-7242 01 06 32.1 –72 42 17.0 140 × 170 0 44.9 Radio (α = −0.55 ± 0.02; S1 GHz=0.0236 Jy); SNR candidate
J0109-7318 SNRC4 01 09 43.6 –73 18 46.0 105 × 105 0 30.5 0.46 Optical; SNR candidate

Notes. Columns (1)–(8) are as in Table A.1. Column (9) is the [S II]/Hα measured with the WiFeS spectrograph. In Notes (Col. 10) we indicate the waveband in which SNR features are detected and the final status of the source (confirmed or candidate).

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