Abstract
view Abstract Citations (60) References (39) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Main-sequence photometry of the SMC globular cluster Kron 3. Rich, R. M. ; Da Costa, G. S. ; Mould, J. R. Abstract A color-magnitude (C-M) diagram for the SMC cluster Kron 3 is presented and discussed. The cluster main-sequence turnoff is revealed for the first time, and comparison with theoretical isochrones indicates that the age of Kron 3 is in the range of 5-8 billion years. Current uncertainty in the SMC modulus prevents a more precise determination. A similar C-M diagram for a SMC background field was also determined. It indicates that, unlike the galactic halo, the SMC halo contains stars with a large range of ages, from 1 billion years upwards. An old population (with an age of more than 10 Gyr) is also apparent in the field. Publication: The Astrophysical Journal Pub Date: November 1984 DOI: 10.1086/162627 Bibcode: 1984ApJ...286..517R Keywords: Astronomical Photometry; Globular Clusters; Magellanic Clouds; Main Sequence Stars; Astronomical Catalogs; Horizontal Branch Stars; Stellar Color; Stellar Evolution; Stellar Magnitude; Astrophysics full text sources ADS | data products SIMBAD (1) NED (1)
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