SIMBAD references

2015MNRAS.450.3811M - Mon. Not. R. Astron. Soc., 450, 3811-3821 (2015/July-2)

GALEX catalogue of UV point sources in M33.


Abstract (from CDS):

The hottest stars (>10 000 K), and by extension typically the most massive ones, are those that will be prevalent in the ultraviolet (UV) portion of the electromagnetic spectrum, and we expect to numerous B, O and WR (WR) stars to be bright in UV data. In this paper, we update the previous point source UV catalogue of M33, created using the Ultraviolet Imaging Telescope (UIT), using data from the Galaxy Evolution Explorer (GALEX). We utilize point spread function photometry to optimally photometer sources in the crowded regions of the galaxy, and benefit from GALEX's increased sensitivity compared to UIT. We match our detections with data from the Local Group Galaxies Survey to create a catalogue with photometry spanning from the far-UV through the optical for a final list of 24 738 sources. All of these sources have far-UV (FUV; 1516Å), near-UV (NUV; 2267Å) and V data, and a significant fraction also have U, B, R and I data as well. We also present an additional 3000 sources that have no matching optical counterpart. We compare all of our sources to a catalogue of known WR stars in M33 and find that we recover 114 of 206 stars with spatially-coincident UV point sources. Additionally, we highlight and investigate those sources with unique colours as well as a selection of other well-studied sources in M33.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): catalogues - Local Group - ultraviolet: stars

VizieR on-line data: <Available at CDS (J/MNRAS/450/3811): table1.dat table2.dat table3.dat>

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 15

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