An unusual bubble in the tidal arm of NGC 7318B in Stephan's Quintet

Y. Ohyama, S. Nishiura, T. Murayama, Y. Taniguchi
1999 Symposium - International astronomical union  
We optically find an unusual emission-line bubble near the tip of the southeastern arm of NGC 7318B. A large number (∼ 106) of supernova remnants would be the most plausible agents.
doi:10.1017/s0074180900206438 fatcat:lkeynm6tt5divdt6vubt3fkguu