5/26/2023 0 Comments Ck2 2.8.3.2 patch downloadIn this Letter we report the detection of the (1,1) and (2,2) inversion transitions of ammonia downstream HH 80 North. This detection has been intepreted as a result of an enhancement in the ammonia emission produced by the radiation field of the shock associated with the HH object. In the prototypical Herbig-Haro objects HH 1 and 2, ammonia emission has been detected downstream of the flow in both objects. However, no object has been detected at optical wavelengths at the position of HH 80 North, possibly because of high extinction, and the confirmation of the radio continuum source as an HH object has not been possible. This radio source, HH 80 North, has been proposed to be a member of the Herbig-Haro class since its centimeter flux density, angular size, spectral index, and morphology are all similar to those of HH 80. Displaced symmetrically to the north of this luminous IRAS source, a possible HH counterpart was recently detected as a radio continuum source with the very large array (VLA). HH 80-81 are two optically visible Herbig-Haro ( HH) objects located about 5 minutes south of their exciting source IRAS 18162-2048. Marti, Josep Pena, Miriam Ayala, Sandra Curiel, Salvador Noriega-Crespo, Alberto Anglada, Guillem Estalella, Robert Torrelles, Jose, M.
0 Comments
Leave a Reply. |