Subaru optical observations of the old pulsar PSR B0950+08 S. V. Zharikov, Yu. A. Shibanov, A. B. Koptsevich, N. Kawai, Y. Urata, V. N. Komarova, V. V. Sokolov, S. Shibata and N. Shibazaki A&A, 394 2 (2002) 633-639 Published online: 15 October 2002 DOI: 10.1051/0004-6361:20021155