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A Deep Proper-Motion Survey in Kapteyn Selected Areas. I. Survey Description and First Results for Stars in the Tidal Tail of Sagittarius and in the Monoceros Ring

Casetti-Dinescu, Dana I. and Majewski, Steven R. and Girard, Terrence M. and Carlin, Jeffrey L. and van Altena, William F. and Patterson, Richard J. and Law, David R. (2006) A Deep Proper-Motion Survey in Kapteyn Selected Areas. I. Survey Description and First Results for Stars in the Tidal Tail of Sagittarius and in the Monoceros Ring. Astronomical Journal, 132 (5). pp. 2082-2098. ISSN 0004-6256. https://resolver.caltech.edu/CaltechAUTHORS:20110222-083608251

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Abstract

We describe a high-precision, deep (to V ~ 19-21), absolute proper-motion survey that samples ~50 lines of sight in the Kapteyn selected areas along declination zones -15°, 0°, and 15°. In many fields the astrometric baseline reaches nearly a century. We demonstrate that these data provide typical per star precisions between ~1 and 3 mas yr^(-1) to the above magnitude limits, with the absolute reference frame established by numerous extragalactic sources in each survey field. Combined with existing and ongoing photometric and radial velocity surveys in these fields, these astrometric data will enable, among other things, accurate detailed dynamical modeling of satellite interactions with our Galaxy. In this contribution we describe the astrometric part of our survey and show preliminary results along the trailing tail of the Sagittarius dwarf galaxy, and in the Monoceros Ring region.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1086/508274DOIArticle
http://iopscience.iop.org/1538-3881/132/5/2082PublisherArticle
ORCID:
AuthorORCID
Majewski, Steven R.0000-0003-2025-3147
Carlin, Jeffrey L.0000-0002-3936-9628
Law, David R.0000-0002-9402-186X
Additional Information:© 2006 The American Astronomical Society. Received 2006 May 31; accepted 2006 August 3. We thank Stephen Levine from USNO, Flagstaff, for making available the POSS-I USNO scans. S. R. M. is grateful to the Carnegie Observatories and their former director Augustus Oemler for a Carnegie Visiting Associateship that made possible the collection of the du Pont plates used in this survey. The financial support from NSF grants AST 04-06884 and AST 04-07207 for this research is acknowledged. This publication makes uses of SDSS data products. Funding for the SDSS and SDSS-II has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, the US Department of Energy, the National Aeronautics and Space Administration, the Japanese Monbukagakusho, the Max Planck Society, and the Higher Education Funding Council for England. The SDSS Web site is http://www.sdss.org.
Funders:
Funding AgencyGrant Number
NSFAST 04-06884
NSFAST 04-07207
Alfred P. Sloan FoundationUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
NASAUNSPECIFIED
Japanese MonbukagakushoUNSPECIFIED
Max Planck SocietyUNSPECIFIED
Higher Education Funding Council for EnglandUNSPECIFIED
Subject Keywords:astrometry; Galaxy: kinematics and dynamics; Galaxy: structure; surveys
Issue or Number:5
Record Number:CaltechAUTHORS:20110222-083608251
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20110222-083608251
Official Citation:A Deep Proper-Motion Survey in Kapteyn Selected Areas. I. Survey Description and First Results for Stars in the Tidal Tail of Sagittarius and in the Monoceros Ring Dana I. Casetti-Dinescu, Steven R. Majewski, Terrence M. Girard, Jeffrey L. Carlin, William F. van Altena, Richard J. Patterson, and David R. Law doi: 10.1086/508274
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:22395
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:22 Feb 2011 18:00
Last Modified:09 Mar 2020 13:19

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