PN K 559 , the SIMBAD biblio

1989AJ.....98..882B - Astron. J., 98, 882-887 (1989)

A color gradient in the globular cluster M 15.

BAILYN C.D., GRINDLAY J.E., COHN H., LUGGER P.M., STETSON P.B. and HESSER J.E.

Journal keyword(s):

Simbad objects: 8

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