THE MOST GALACTIC-CENTER SURVEY .1. SURVEY IMAGES AND RESULTS ON SGR A-E

被引:20
作者
GRAY, AD [1 ]
机构
[1] UNIV SYDNEY,SCH PHYS A29,SYDNEY,NSW 2006,AUSTRALIA
关键词
GALAXY; CENTER; RADIO CONTINUUM; GENERAL;
D O I
10.1093/mnras/270.4.822
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Molonglo Observatory Synthesis Telescope (MOST) has been used recently to make a new survey of the Galactic Centre region at 843 MHz, spanning Galactic longitudes 1=335 degrees-360 degrees-5 degrees and Galactic latitudes in the range \b\<2.degrees 5. The resolution of the MOST at the declination of the Galactic Centre (delta = - 29 degrees) is 90 x 43.5 arcsec(2) and the sensitivity is similar to 5 mTy beam(-1) (dynamic-range-limited). The survey presents an unprecedented vista of the Galactic Centre and inner Galactic plane at a frequency near 1 GHz. This paper gives general discussions of some of the preliminary results of this survey, including wide-field images of the Galactic Centre region. Further papers will discuss specific results of the survey in detail.
引用
收藏
页码:822 / 834
页数:13
相关论文
共 79 条
[51]   APERTURE SYNTHESIS OBSERVATIONS AT 80-MHZ OF THE GALACTIC-CENTER REGION - POSSIBLE EVIDENCE FOR SEYFERT-LIKE ACTIVITY [J].
LAROSA, TN ;
KASSIM, NE .
ASTROPHYSICAL JOURNAL, 1985, 299 (01) :L13-L17
[52]   STRUCTURE OF SAGITTARIUS-C OBSERVED AT RADIO FREQUENCIES [J].
LISZT, HS .
ASTROPHYSICAL JOURNAL, 1985, 293 (02) :L65-&
[53]   RADIO IMAGES OF SAGITTARIUS .1. OVERVIEW, SAGITTARIUS-D AND SAGITTARIUS-E [J].
LISZT, HS .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1992, 82 (02) :495-&
[54]  
LITTLE AG, 1974, P IAU S, V60, P491
[55]  
Lynds B.T., 1965, ASTROPHYS J SUPPL S, V12, P163, DOI [10.1086/190123, DOI 10.1086/190123]
[56]   OBSERVED AND DERIVED PARAMETERS FOR 330 PULSARS [J].
MANCHESTER, RN ;
TAYLOR, JH .
ASTRONOMICAL JOURNAL, 1981, 86 (12) :1953-1973
[57]  
Mills B. Y., 1981, Proceedings of the Astronomical Society of Australia, V4, P156
[58]   THE RADIO SPECTRA OF GALACTIC-CENTER FEATURES [J].
MILLS, BY ;
DRINKWATER, MJ .
JOURNAL OF ASTROPHYSICS AND ASTRONOMY, 1984, 5 (01) :43-53
[59]   A FAR-INFRARED SURVEY OF THE GALACTIC-CENTER [J].
ODENWALD, SF ;
FAZIO, GG .
ASTROPHYSICAL JOURNAL, 1984, 283 (02) :601-&
[60]   RADIO STUDIES OF THE GALACTIC-CENTER .1. THE SAGITTARIUS-A COMPLEX [J].
PEDLAR, A ;
ANANTHARAMAIAH, KR ;
EKERS, RD ;
GOSS, WM ;
VANGORKOM, JH ;
SCHWARZ, UJ ;
ZHAO, JH .
ASTROPHYSICAL JOURNAL, 1989, 342 (02) :769-&