2014A&A...563A..99F


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.08CEST16:54:00

2014A&A...563A..99F - Astronomy and Astrophysics, volume 563A, 99-99 (2014/3-1)

HI observations of three compact high-velocity clouds around the Milky Way.

FARIDANI S., FLOEER L., KERP J. and WESTMEIER T.

Abstract (from CDS):

We present deep H i observations of three compact high-velocity clouds (CHVCs). The main goal is to study their diffuse warm gas and compact cold cores. We use both low- and high-resolution data obtained with the 100m Effelsberg telescope and the Westerbork Synthesis Radio Telescope (WSRT). The combination is essential in order to study the morphological properties of the clouds since the single-dish telescope lacks a sufficient angular resolution while the interferometer misses a large portion of the diffuse gas. Here single-dish and interferometer data are combined in the image domain with a new combination pipeline. The combination makes it possible to examine interactions between the clouds and their surrounding environment in great detail. The apparent difference between single-dish and radio interferometer total flux densities shows that the CHVCs contain a considerable amount of diffuse gas with low brightness temperatures. A Gaussian decomposition indicates that the clouds consist predominantly of warm gas.

Abstract Copyright:

Journal keyword(s): ISM: clouds - Galaxy: halo - galaxies: kinematics and dynamics - techniques: image processing

Simbad objects: 8

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Number of rows : 8

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NAME Magellanic Stream HVC 00 32 -30.0           ~ 812 1
2 HVC 162+03-186 HVC 05 05 20.0 +45 20 29           ~ 1 0
3 HVC 125+41-208 HVC 12 24.0 +75 36           ~ 33 0
4 HVC 070+51-150 HVC 15 49 13.0 +43 39 30           ~ 1 0
5 NAME HVC Complex C HVC 16 34.8 +63 07           ~ 229 1
6 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 11537 0
7 HVC 108-21-390 HVC 23 38 50.0 +39 35 28           ~ 1 0
8 NAME Local Group GrG ~ ~           ~ 6971 0

    Equat.    Gal    SGal    Ecl

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2020.07.08-16:54:00

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