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Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3635
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dc.contributor.authorSagar, R-
dc.contributor.authorYu, Q. Z-
dc.date.accessioned2008-09-15T15:24:00Z-
dc.date.available2008-09-15T15:24:00Z-
dc.date.issued1989-10-
dc.identifier.citationMonthly Notices Royal Astronomical Society, Vol. 240, No. 3, pp. 551 - 561en
dc.identifier.issn0035-8711-
dc.identifier.urihttp://hdl.handle.net/2248/3635-
dc.description.abstractJHK magnitudes have been determined for 18 stars in the field of NGC 654. Study of the interstellar extinction law in the cluster direction indicates an anomalous distribution of interstellar grains causing more extinction in U and B pass-bands compared to that obtained from the color excesses E(V-J), E(V-H) and E(V-K) using a normal reddening law. This implies a small shift in the grain-size distribution towards smaller than normal-sized particles. Patchy distribution of interstellar matter seems to be responsible for the nonuniform extinction in the cluster region.en
dc.language.isoenen
dc.publisherThe Royal Astronomical Societyen
dc.relation.urihttp://ads.iucaa.ernet.in/abs/1989MNRAS.240..551Sen
dc.subjectInterstellar extinctionen
dc.subjectOpen clustersen
dc.subjectStar clustersen
dc.subjectEarly starsen
dc.subjectStellar coloren
dc.subjectStellar magnitudeen
dc.titleJHK photometric study of the variable interstellar extinction in the direction of open star cluster NGC 654en
dc.typeArticleen
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