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Table 2

Emission line intensities and ratios for two SNR candidates observed with the WiFeS spectrograph, taking Hα = 100.

Date Object name Slit position (J2000) [N II] Hα [N II] [S II] [S II] [N II]/Hα [S II]/Hα [S II] Electron density

MCSNR RA Dec 6548 Å 6583 Å 6717 Å 6731 Å 6717/6731 Å (cm−3)
08/11/2015 J0056–7209 00 55 59 –72 10 04 26.7 100(a) 14.8 27 20.4 0.42 0.47 1.32 ~102
                                 
08/11/2015 J0109–7318 01 09 47 –73 19 27 29.5 100(b) 9.1 28.1 18 0.39 0.46 1.56 LDL

Notes. The rms wavelength dispersion error from the arc calibrations was 0.09 Å while the relative percentage error in the flux determination from the calibration using the brightest lines was estimated as ~13%. (a) Hα flux = 19 154 counts; (b) Hα flux = 8837 counts.

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