W. Reich

Extended Polarized Emission at 2695 MHz in the Galactic Plane

REICH et al. [1] recently gave the results of a radio continuum survey of the Galactic plane (357°.4 ⩽ l ⩽ 76°, |b| ⩽ 1°.5) at 2695 MHz with the Effelsberg 100-m telescope. These observations were made with a three-channel receiving system. The IF signals were correlated in order to obtain simultaneously total intensity and Stokes parameters U and Q. These data were used to calculate the linearly polarized intensity and the polarization position angle.

A molecular cloud in the direction of G70.68+1.20

We have discovered a small diameter molecular cloud of high density (≳ 103 cm -3) in the direction of the non-thermal shell-type source G70.68+1.20. The peak CO intensity of the molecular cloud is displaced only a few areseconds from the apparent centre of G70.68+1.20, strongly suggesting a physical relation between both objects. The kinematic distance of the molecular cloud is most likely 5.5 kpc and the diameter of G70.68+1.20 is about 0.55 pc. Its luminosity is nearly the same as that of SN 1006, suggesting that G70.68+1.20 is a very young supernova remnant expanding in a dense molecular cloud.