Color Gradient in the King Type Globular Cluster NGC 7089

Color Gradient in the King Type Globular Cluster NGC 7089

We use BV CCD images to investigate the reality of the color gradient within a King type globular cluster NGC 7089. Surface photometry shows that there is a strong radial color gradient in the central region of the cluster in the sense of bluer center with the amplitude of -0.39 +/- 0.07 mag/arcsec2...

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Bibliographic Details
Main Authors:	Young-Jong Sohn, Mun-Suk Chun, Jae-Woo Lee, Jungmin Oh
Format:	Article
Language:	English
Published:	The Korean Space Science Society 1999-12-01
Series:	Journal of Astronomy and Space Sciences
Online Access:	http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/1999/v16n2/OJOOBS_1999_v16n2_91.pdf

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