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White Dwarfs in the Metal-Rich Open Cluster NGC 6253

Research paper by Elizabeth J. Jeffery, Fabiola Campos, Alejandra Romero, S. O. Kepler

Indexed on: 08 Nov '16Published on: 08 Nov '16Published in: arXiv - Astrophysics - Solar and Stellar Astrophysics



Abstract

We have obtained 53 images with the $g$ filter and 19 images with the $i$ filter, each with 600-second exposures of the super metal rich open cluster NGC 6253 with the Gemini-South telescope to create deep images of the cluster to observe the cluster white dwarfs for the first time. We will analyze the white dwarf luminosity function to measure the cluster's white dwarf age, search for any anomalous features (as has been seen in the similarly metal rich cluster NGC 6791), and constrain the initial-final mass relation at high metallicities. We present an update on these observations and our program to study the formation of white dwarfs in super high metallicity environments.