GALEX Ultraviolet photometry of NGC 2420: searching for WDs
C. De Martino, L. Bianchi, I. Pagano, J. Herald, and D. Thilker
TL;DR
This study uses GALEX ultraviolet and SDSS optical data to identify and analyze hot evolved stars and peculiar objects in the open cluster NGC 2420, enhancing understanding of stellar evolution in clusters.
Contribution
First combined UV and optical photometry to search for hot stars in NGC 2420, providing new insights into cluster stellar populations.
Findings
Identification of candidate hot evolved stars
Characterization of peculiar objects in NGC 2420
Enhanced understanding of stellar evolution in open clusters
Abstract
We present color-magnitude diagrams of the open cluster NGC 2420, obtained from Galaxy Evolution Explorer (GALEX) ultraviolet images in FUV and NUV bands and Sloan Digital Sky Survey (SDSS) u,g,r,i,z photometry. Our goal is to search for and characterize hot evolved stars and peculiar objects in this open cluster, as part of a larger project aimed to study a number of open clusters in the Milky Way with GALEX and ground-based data.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomy and Astrophysical Research · Space Exploration and Technology