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Comparison of Two Epochs of the Zeeman Effect in the 44 GHz Class I methanol (CH3OH) maser line in OMC-2
E. Momjian, A. P. Sarma
We present a second epoch of observations of the 44 GHz Class I methanol maser line toward the star forming region OMC-2. The observations were carried out with the Very Large Arra…
Parsec-scale structures and diffuse bands in a translucent interstellar medium at z 0.079
R. Srianand, N. Gupta, H. Rahmani +3
We present a detailed study of the QSO-galaxy pair [SDSS J163956.35+112758.7 (zq = 0.993) and SDSS J163956.38+112802.1 (zg = 0.079)] based on observations carried out using the Gia…
Very Large Array Detection of the 36 GHz Zeeman Effect in DR21W Revisited
E. Momjian, L. O. Sjouwerman, V. L. Fish
We report on the observation of the 36 GHz methanol maser line in the star forming region DR21W to accurately measure the Zeeman effect. The reported Zeeman signature by Fish et al…
HI content, metallicities and spin temperatures of damped and sub-damped Lyman alpha systems in the redshift desert (0.6 < z < 1.7)
Sara L. Ellison, Nissim Kanekar, J. Xavier Prochaska +2
The HI 21cm absorption optical depth and the N(HI) derived from Lya absorption can be combined to yield the spin temperature (Ts) of DLAs. Although Ts measurements exist for sample…