Abstract
view Abstract Citations (59) References (37) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Deep CCD Photometry in Globular Clusters. VII. M30 Richer, Harvey B. ; Fahlman, Gregory G. ; Vandenberg, Don A. Abstract New UBV CCD photometry in a single field of the globular cluster M30 was obtained, and the data were used to obtain the color magnitude diagram (CMD) of the cluster, its luminosity function, and to derive fundamental cluster parameters. No blue stragglers were found, nor any evidence of a binary sequence in the data even though the field under study is only 21 core radii from the cluster center. The cluster reddening is observed to be 0.068 + or - 0.035, significantly higher than that adopted in most current papers on M30. An intercomparison of the CMDs of three very metal-poor clusters clearly shows that there is no evidence for any age difference between them. The age of M30 itself is found to be about 14 Gyr. The luminosity function of M30 is determined to be M(V) = 8. Comparison of this function with one found by Bolte (1987) at 65 core radii shows clear evidence of mass segregation in the low-mass stars. Publication: The Astrophysical Journal Pub Date: June 1988 DOI: 10.1086/166369 Bibcode: 1988ApJ...329..187R Keywords: Charge Coupled Devices; Color-Magnitude Diagram; Globular Clusters; Stellar Evolution; Ubv Spectra; Astronomical Photometry; Balmer Series; Star Clusters; Stellar Mass; White Dwarf Stars; Astrophysics; CLUSTERS: GLOBULAR; PHOTOMETRY; STARS: EVOLUTION full text sources ADS | data products SIMBAD (4) Related Materials (7) Part 1: 1984ApJ...277..227R Part 2: 1985ApJS...58..225F Part 3: 1986ApJ...304..273R Part 4: 1987ApJ...316..189R Part 5: 1988ApJ...325..218R Part 7: 1989AJ.....98.1335S Part 8: 1989AJ.....98.2124H
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