2023MNRAS.520.5635Y

Query : 2023MNRAS.520.5635Y

2023MNRAS.520.5635Y - Mon. Not. R. Astron. Soc., 520, 5635-5650 (2023/April-3)

Data release of the AST3-2 automatic survey from Dome A, Antarctica.

YANG X., HU Y., SHANG Z., MA B., ASHLEY M.C.B., CUI X., DU F., FU J., GONG X., GU B., JIANG P., LI X., LI Z., TAO C., WANG L., XU L., YANG S.-H., YU C., YUAN X., ZHOU J.-L. and ZHU Z.

Abstract (from CDS):

AST3-2 is the second of the three Antarctic Survey Telescopes, aimed at wide-field time-domain optical astronomy. It is located at Dome A, Antarctica, which is by many measures the best optical astronomy site on the Earth's surface. Here we present the data from the AST3-2 automatic survey in 2016 and the photometry results. The median 5σ limiting magnitude in i-band is 17.8 mag and the light-curve precision is 4 mmag for bright stars. The data release includes photometry for over 7 million stars, from which over 3500 variable stars were detected, with 70 of them newly discovered. We classify these new variables into different types by combining their light-curve features with stellar properties from surveys such as StarHorse.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): surveys - catalogues - stars: variables: general

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 8

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Number of rows : 8
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 SN 2016ccp SN* 01 02 39.90 -49 39 25.1           ~ 2 0
2 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
3 SN 2014J SN* 09 55 42.12 +69 40 25.9           SNIa-norm 456 1
4 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
5 GrW 170817 GWE 13 09 48.0850 -23 22 53.343           ~ 2683 0
6 SN 2014M SN* 15 15 17.21 +75 29 09.5           SNIa 3 1
7 SN 2017fbq SN* 19 33 45.61 -60 58 02.2           SNII 3 0
8 NAME SCP reg ~ ~           ~ 113 0

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