CCD PHOTOMETIC UBVR SEQUENCES FOR NGC 2403 AND M 81
FRANZ-JOSEF ZICKGRAF, ROBERTA M. HUMPHREYS, MICHAEL L. SITKO and THOMAS MANLEYVolume:
102
Language:
english
Journal:
Publications of the Astronomical Society of the Pacific
DOI:
10.2307/40679579
Date:
August, 1990
File:
PDF, 1.22 MB
english, 1990