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Title:
Accurate Positions for MCG Galaxies
Authors:
Corwin, Harold G., Jr.; Pesenson, Igor; Schmitz, Marion; Kim, D.-C.; Bennett, Judy; Madore, Barry F.; Mazzarella, Joseph M.; Helou, George
Affiliation:
AA(Infrared Processing and Analysis Center, Jet Propulsion Laboratory, M/S 100-22, California Institute of Technology, Pasadena, CA 91125; ), AB(Infrared Processing and Analysis Center, Jet Propulsion Laboratory, M/S 100-22, California Institute of Technology, Pasadena, CA 91125; ), AC(Infrared Processing and Analysis Center, Jet Propulsion Laboratory, M/S 100-22, California Institute of Technology, Pasadena, CA 91125; ), AD(Infrared Processing and Analysis Center, Jet Propulsion Laboratory, M/S 100-22, California Institute of Technology, Pasadena, CA 91125; ), AE(Infrared Processing and Analysis Center, Jet Propulsion Laboratory, M/S 100-22, California Institute of Technology, Pasadena, CA 91125; ), AF(Infrared Processing and Analysis Center, Jet Propulsion Laboratory, M/S 100-22, California Institute of Technology, Pasadena, CA 91125; ), AG(Infrared Processing and Analysis Center, Jet Propulsion Laboratory, M/S 100-22, California Institute of Technology, Pasadena, CA 91125; ), AH(Infrared Processing and Analysis Center, Jet Propulsion Laboratory, M/S 100-22, California Institute of Technology, Pasadena, CA 91125; )
Publication:
The Publications of the Astronomical Society of the Pacific, Volume 110, Issue 749, pp. 779-783. (PASP Homepage)
Publication Date:
07/1998
Origin:
PASP
PASP Keywords:
ASTROMETRY, GALAXIES: GENERAL
DOI:
10.1086/316191
Bibliographic Code:
1998PASP..110..779C

Abstract

We have measured accurate celestial coordinates for 4741 extragalactic objects, primarily drawn from a list of MCG galaxies with no recently published accurate positions. The standard deviations in the new positions depend slightly on the measurement method but are on the order of 1.0" to 1.2". Standard deviations in the original MCG positions are confirmed to be at the 1.5′-2.0′ level. These new positions were integrated into NED in 1997 December.

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