From 17 SNRs that cover a galactocentric range 5 < R < 14 kpc it has been found a gradient of -0.05 ± 0.01 dex kpc-1 in the [N II]/[S II] line intensity ratio. This value is very similar to that derived from H II regions and is probably related to a N/S abundance gradient.
Revista Mexicana de Astronomia y Astrofisica
- Pub Date:
- March 1983
- Galaxy:Element Abundances;
- Supernova Remnants:Element Abundances