1999A&AS..138...31U


C.D.S. - SIMBAD4 rel 1.7 - 2020.05.26CEST06:35:26

1999A&AS..138...31U - Astron. Astrophys., Suppl. Ser., 138, 31-45 (1999/July-0)

A 1.4 GHz radio continuum and polarization survey at medium Galactic latitudes. II. First section.

UYANIKER B., FUERST E., REICH W., REICH P. and WIELEBINSKI R.

Abstract (from CDS):

We present the first section of a radio continuum and polarization survey at medium Galactic latitudes carried out with the Effelsberg 100-m telescope at 1.4 GHz. Four large fields have been observed, which all together cover an area of about 1100 deg2. The rms-sensitivity is about 15mK TB (about 7mJy/beam area) in total intensity and is limited by confusion. A sensitivity of 8mK TB is obtained in linear polarization. The angular resolution of the observations is 9.35'. The maps in total intensity and linear polarization have been absolutely calibrated by low resolution data where available. Significant linear polarization is seen in all the maps. In general, the intensity fluctuations measured in linear polarization are not correlated with total intensity structures. Areas of high polarization of some degrees extent are seen, again with no apparent corresponding total intensity feature. Modulation of polarized background emission by spatially varying Faraday rotation seems the most likely explanation. Quite unexpected is the detection of filamentary and ring-like depolarization structures in the direction of the anticentre region, whose extents are up to about 3°.

Abstract Copyright:

Journal keyword(s): surveys - ISM: structure - radio continuum: ISM polarization - ISM: magnetic fields

Status at CDS:  

Simbad objects: 7

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Number of rows : 7

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 Gal Anticenter reg 05 46 +28.9           ~ 718 0
2 NAME North Polar Spur ISM 12 00 +00.0           ~ 300 1
3 NAME Cyg A Sy2 19 59 28.35645829 +40 44 02.0966496   16.22 15.10     ~ 2097 2
4 SNR G082.2+05.3 SNR 20 19.0 +45 30           ~ 86 0
5 NAME Cyg X Cld 20 28 41 +41 10.2           ~ 612 1
6 SNR G089.0+04.7 SNR 20 45.0 +50 35           ~ 197 0
7 NAME Cyg Loop SNR 20 51.0 +30 40           ~ 820 0

    Equat.    Gal    SGal    Ecl

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2020.05.26-06:35:26

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