2023ApJS..268...41M

Query : 2023ApJS..268...41M

2023ApJS..268...41M - Astrophys. J., Suppl. Ser., 268, 41 (2023/October-0)

The GFCAT: A Catalog of Ultraviolet Variables Observed by GALEX with Subminute Resolution.

MILLION C.C., ST. CLAIR M., FLEMING S.W., BIANCHI L. and OSTEN R.

Abstract (from CDS):

We have performed the first systematic search of the full Galaxy Evolution Explorer (GALEX) data archive for astrophysical variability on timescales of seconds to minutes by rebinning data across the whole mission to 30 s time resolution. The result is the GALEX Flare Catalog (GFCAT), which describes 1426 ultraviolet variable sources, including stellar flares, eclipsing binaries, δ Scuti and RR Lyrae variables, and active galactic nuclei. Many of these sources have never previously been identified as variable. We have also assembled a table of observations of ultraviolet flares and accompanying statistics and measurements, including energies, and of candidate eclipsing stars. This effort was enabled by a significantly enhanced version of the gPhoton software for analyzing time-domain GALEX data; this “gPhoton2” package is available to support follow-on efforts.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Ultraviolet astronomy - Time domain astronomy - Flare stars - Eclipsing binary stars - RR Lyrae variable stars - Delta Scuti variable stars - Catalogs - Active galactic nuclei - Space telescopes - Astronomy software

VizieR on-line data: <Available at CDS (J/ApJS/268/41): table1.dat table2.dat table3.dat table4.dat>

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

Simbad objects: 12

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Number of rows : 12
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 GUVV J004347.7-445130.7 dS* 00 43 47.7118667208 -44 51 31.172675436   15.87   15.17 15.75 ~ 3 0
2 TYC 2801-218-1 * 00 48 07.0441887600 +40 28 42.014900712   11.14 10.95     ~ 1 0
3 G 272-61 ** 01 39 01.452936 -17 57 02.04516   13.93 12.08 11.782 8.93 M5.5V+M6V 78 0
4 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
5 BD+30 1869 * 09 27 50.3238831384 +29 45 41.459556384   10.39 9.88     F5 3 0
6 TYC 2509-883-1 * 10 06 42.8132368296 +36 56 50.153571996   13.24 12.26     ~ 1 0
7 G 10-49 PM* 11 47 40.7472267384 +00 15 20.101843571   14.94 13.34 13.35 10.506 M4V 100 0
8 Wolf 424 ** 12 33 17.361480 +09 01 15.79224 15.398 14.313 12.467 10.937 8.988 M5.5V 329 0
9 TYC 4988-137-1 PM* 14 30 12.2588959824 -02 12 46.765453824   11.626 11.089 10.76 10.384 ~ 7 0
10 V* IP Vir dS* 14 40 06.9977539536 +00 01 45.108751116 12.016 11.931 11.599 11.403 11.209 A4mF3 46 0
11 G 180-60 LM* 16 31 18.7890584283 +40 51 51.705530284   16.5   14.550   M6V 87 0
12 LAWD 87 WD* 21 32 16.2327040616 +00 15 14.399267982 13.717 14.634 14.674 14.675 14.676 DB4 195 1

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