GASS: THE PARKES GALACTIC ALL-SKY SURVEY. I. SURVEY DESCRIPTION, GOALS, AND INITIAL DATA RELEASE

被引：291
作者：
McClure-Griffiths, N. M. [1 ]
Pisano, D. J. [2 ]
Calabretta, M. R. [1 ]
Ford, H. Alyson [1 ,3 ]
Lockman, Felix J. [2 ]
Staveley-Smith, L. [4 ]
Kalberla, P. M. W. [5 ]
Bailin, J. [6 ]
Dedes, L. [5 ]
Janowiecki, S. [2 ,7 ]
Gibson, B. K. [8 ]
Murphy, T. [9 ,10 ]
Nakanishi, H. [11 ]
Newton-McGee, K. [1 ,9 ]
机构：
[1] CSIRO, Australia Telescope Natl Facil, Marsfield, NSW 2122, Australia
[2] Natl Radio Astron Observ, Green Bank, WV 24944 USA
[3] Swinburne Univ Technol, Ctr Astrophys & Supercomp, Hawthorn, Vic 3122, Australia
[4] Univ Western Australia, Sch Phys, Crawley, WA 6009, Australia
[5] Univ Bonn, Argelander Inst Astron, D-53121 Bonn, Germany
[6] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada
[7] Case Western Reserve Univ, Dept Astron, Cleveland, OH 44106 USA
[8] Univ Cent Lancashire, Ctr Astrophys, Preston PR1 2HE, Lancs, England
[9] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia
[10] Univ Sydney, Sch Informat Technol, Sydney, NSW 2006, Australia
[11] Kagoshima Univ, Fac Sci, Kagoshima 8900068, Japan
来源：
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2009年 / 181卷 / 02期
基金：
澳大利亚研究理事会;
关键词：
galaxies: interactions; Galaxy: structure; ISM: general; Magellanic Clouds; radio lines: ISM; surveys; HIGH-VELOCITY CLOUDS; LARGE-MAGELLANIC-CLOUD; MILKY-WAY; H-I; PLANE SURVEY; LOW-METALLICITY; LAB SURVEY; GALAXY; REPRESENTATIONS; FITS;
D O I：
10.1088/0067-0049/181/2/398
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Parkes Galactic All-Sky Survey (GASS) is a survey of Galactic atomic hydrogen (HI) emission in the Southern sky covering declinations delta <= 1 degrees using the Parkes Radio Telescope. The survey covers 2 pi steradians with an effective angular resolution of similar to 16', at a velocity resolution of 1.0 km s(-1), and with an rms brightness temperature noise of 57 mK. GASS is the most sensitive, highest angular resolution survey of Galactic Hi emission ever made in the Southern sky. In this paper, we outline the survey goals, describe the observations and data analysis, and present the first-stage data release. The data product is a single cube at full resolution, not corrected for stray radiation. Spectra from the survey and other data products are publicly available online.
引用
收藏
页码：398 / 412
页数：15
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