@article{09d7d56e36304e5ca55cafc125f5fc7e,
title = "Long-term stellar variability in the Galactic Centre region",
abstract = "We report the detection of variable stars within a 11.5 arcmin × 11.5 arcmin region near the Galactic Centre that includes the Arches and Quintuplet clusters, as revealed by the VISTA Variables in the V{\'i}a L{\'a}ctea survey. There are 353 sources that show KS-band variability, of which the large majority (81 per cent) correspond to red giant stars, mostly in the asymptotic giant branch phase. We analyse a population of 52 red giants with long-term trends that cannot be classified into the typical pulsating star categories. Distances and extinctions are calculated for nine Mira variables, and we discuss the impact of the chosen extinction law on the derived distances. We also report the presence of 48 new identified young stellar object candidates in the region.",
keywords = "Cataclysmic variables, Galaxy: Centre, Galaxy: Stellar content, Protostars, Stars: AGB and post-AGB, Stars: Variables: General",
author = "Molina, {C. N.} and J. Borissova and M. Catelan and Lucas, {P. W.} and N. Medina and {Contreras Pe{\~n}a}, C. and R. Kurtev and D. Minniti",
note = "Funding Information: CN-M, JB, MC, NM, RC, and DM gratefully acknowledge support by the Ministry for the Economy, Development, and Tourism{\textquoteright}s Millennium Science Initiative through grant IC 120009, awarded to the Millennium Institute of Astrophysics (MAS). DM and MC acknowledge support from Consejo Nacional de Ciencia y Tec-nologia de Chile (CONICYT) project Basal AFB-170002. DM is also supported by Fondo Nacional de Ciencia y Tecnologia de Chile (FONDECYT) grant no. 1170121. MC additionally acknowledges support by CONICYT/RCUK{\textquoteright}s PCI program through grant DPI20140066; by FONDECYT grant no. 1171273; and by the German Academic Exchange Service - DAAD and DFG (Germany). This research is based on observations made with European Southern Observatory (ESO) Telescopes at the Paranal Observatory under programme ID 179.B-2002. We thank anonymous referee for useful comments and suggestions. PWL acknowledges support by the UK Science and Technology Facilities Council under consolidated grants ST/R000905/1 and ST/M001008/1. CCP acknowledges support from the Leverhulme Trust. Publisher Copyright: {\textcopyright} 2018 The Author(s).",
year = "2019",
month = feb,
day = "1",
doi = "10.1093/mnras/sty3041",
language = "English",
volume = "482",
pages = "5567--5586",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "4",
}