Coordinates and 2MASS and OGLE identifications for all stars in Arp's 1965 finding chart for Baade's Window

Creators: Church, R. P.; Johnson, J. A.; Feltzing, S.

Abstract

Aims. We seek to provide 2MASS and OGLE identifications and coordinates for all stars in the finding chart published by Arp (1965, ApJ, 141, 43). This chart covers the low extinction area around NGC 6522, also known as Baade's window, at coordinates (l,b) = (1.02, −3.92). Methods. A cross correlation, using numerical techniques, was performed between a scan of the original finding chart from Arp and 2MASS and OGLE-II images and stellar coordinates. Results. We provide coordinates for all stars in Arp's finding chart and 2MASS and OGLE identifications wherever possible. Two identifications in quadrant II do not appear in the original finding chart.

Additional Information

© 2011 ESO. Article published by EDP Sciences. Received 4 March 2011; Accepted 23 March 2011. Published online 12 April 2011. R.P.C. is funded by a Marie-Curie Intra-European Fellowship, grant No. 252431, under the European Commission's FP7 framework. J.A.J. acknowledges a guest professorship provided by the Faculty of Science, Lund University. S.F. was partly supported by grant No. 2008-4095 from The Swedish Research Council. This research has made use of the SIMBAD database, operated at CDS, Strasbourg, France. This publication makes use of data products from the Two Micron All Sky Survey, which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by the National Aeronautics and Space Administration and the National Science Foundation.

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