منابع مشابه
A New Galactic 6 cm Formaldehyde Maser
We report the detection of a new H 2 CO maser in the massive star forming region G23.71−0.20 (IRAS 18324−0820), i.e., the fifth region in the Galaxy where H 2 CO maser emission has been found. The new H 2 CO maser is located toward a compact H II region, and is coincident in velocity and position with 6.7 GHz methanol masers and with an IR source as revealed by Spitzer/IRAC GLIMPSE data. The co...
متن کاملThe 6 - GHz methanol multibeam maser catalogue II : Galactic longitudes 6 ◦ to 20 ◦
We present the second portion of an unbiased survey of the Galactic plane for 6668MHz methanol masers. This section of the survey spans the longitude range 6◦ to 20◦. We report the detection of 119 maser sources, of which 42 are new discoveries. The masers are tightly constrained to the Galactic plane, with only four outside a latitude range of ±1◦. This longitude region includes the brightest ...
متن کاملThe 6 - GHz methanol multibeam maser catalogue I : Galactic Centre region , longitudes 345 ◦ to 6 ◦
We have conducted a Galactic plane survey of methanol masers at 6668 MHz using a 7-beam receiver on the Parkes telescope. Here we present results from the first part, which provides sensitive unbiased coverage of a large region around the Galactic Centre. Details are given for 183 methanol maser sites in the longitude range 345◦ through the Galactic Centre to 6◦. Within 6◦ of the Centre, we fou...
متن کاملA Wide-area Vla Continuum Survey near the Galactic Center at 6 and 20 Cm Wavelengths
We describe the results of a mJy-sensitivity, VLA survey of roughly 1 square degree near the Galactic center at 6 and 20 cm. Catalogs of compact and filamentary structures are given and compared to previous surveys of the region. Eight of the unusual, nonthermal radio filaments are detected in 6 cm polarized emission; three of these are the first such detections, confirming their nonthermal nat...
متن کاملG 332 . 5 – 5 . 6 , a new Galactic supernova remnant
We present radio observations of the source G332.5–5.6, a candidate supernova remnant (SNR). Observations have been performed with the Australia Telescope Compact Array (ATCA) at two frequencies, at 1.4 and 2.4 GHz. Our results confirm that G332.5–5.6 is an SNR, with a spectral index α = −0.7±0.2 for the whole source and an average fractional polarization of ∼ 35% at 2.4 GHz. The central compon...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2006
ISSN: 0004-637X,1538-4357
DOI: 10.1086/504840