/ftp/cats/aliases/M/./MHF2014



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J/other/NewA/27.1   RR Lyrae candidates in Aquarius halo stream (Munari+, 2014)
The following files can be converted to FITS (extension .fit or fit.gz)
	table1.dat table2.dat table3.dat table4.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/other/NewA/27.1
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drwxr-xr-x 60 cats archive 4096 Mar 29 2023 [Up] drwxr-xr-x 4 cats archive 4096 Jan 13 2023 [TAR file] -rw-r--r-- 1 cats archive 504 Dec 19 2022 .message -r--r--r-- 1 cats archive 10718 Feb 3 2016 ReadMe -rw-r--r-- 1 cats archive 652 Feb 3 2016 +footg5.gif -rw-r--r-- 1 cats archive 3061 Feb 3 2016 +footg8.gif -r--r--r-- 1 cats archive 6458 Mar 23 2015 table1.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 2076 Mar 23 2015 table2.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 3409 Feb 3 2016 table3.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 116985 Mar 24 2015 table4.dat [txt] [txt.gz] [fits] [fits.gz] [html]
Beginning of ReadMe : J/other/NewA/27.1 RR Lyrae candidates in Aqr halo stream (Munari+, 2014) ================================================================================ APASS BVgri search for and characterization of RR Lyr variables candidate members of the Aquarius halo stream. Munari U., Henden A., Frigo A. <New Astron., 27, 1-12 (2014)> =2014NewA...27....1M ================================================================================ ADC_Keywords: Stars, variable ; Photometry Keywords: stars: variables: RR Lyr - surveys - Galaxy: structure Abstract: The Aquarius stream has been recently discovered in the course of the RAVE Survey. It is a chemically coherent structure, originating from the tidal disruption of a 12Gyr, [Fe/H]=-1.0 globular cluster. We have surveyed a  284deg^2^ area of the sky containing the 15 known members of the Aquarius stream looking for RR Lyr variables. RR Lyr variables are primary distance indicators and discovering some of them firmly associated with the Aquarius stream would provide a 3D representation of its Galactic orbit and would probe the spatial structure of the Galactic gravitational potential. During September and October 2012, we have obtained on-purpose, epoch photometry in the Landolt BV and Sloan gri bands with the APASS South telescopes located at Cerro Tololo. Our data are uniformly complete to V=15.2mag over the whole surveyed area, the faintest recorded stars reaching V=18mag. We have found 71 RR Lyr variables, and a firm pulsation period was derived for 53 of them. Our census of RR Lyr variables is complete to a distance of 8kpc from the Sun. For all objects we provide distances and light- and color-curves, mean values and amplitudes in all five BVgri passbands, finding charts and accurate local photometric sequences. About half of the RR Lyr variables we have discovered were previously known, but we provide the first multi-band photometric data. They were in fact mostly discovered as by-products of white-light patrol searches for optical counterparts to gamma-ray bursters or potentially hazardous asteroids. Description: The large area on the sky covered by the Aquarius stream requires instruments with a very large field of view. We selected to obtain multi-band photometry from CTIO (Chile) with the same equipment used for the APASS all sky photometric survey, separately from the main Survey program. The observations for this paper were obtained with fixed exposure times (different and optimized for each photometric band), set to detect V=17 stars at S/N=5 on a single exposure.