188 citations · 227 across the 10 of their papers we have counts for
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HCN(1-0) enhancement in the bar of NGC 2903
S. Leon, S. Jeyakumar, D. Perez-Ramirez +3
We have mapped the \hcn emission from two spiral galaxies, NGC2903 and NGC3504 to study the gas properties in the bars. The HCN(1-0) emission is detected in the center and along th…
[CII] 158m Emission and Metallicity in PDRs
M. Röllig, V. Ossenkopf, S. Jeyakumar +2
We study the effects of a metallicity variation on the thermal balance and [CII] fine-structure line strengths in interstellar photon dominated regions (PDRs). We find that a reduc…
Multi-wavelength carbon recombination line observations with the VLA toward an UCHII region in W48: Physical properties and kinematics of neutral material
D. Anish Roshi, W. M. Goss, K. R. Anantharamaiah +1
Using the Very Large Array (VLA) the C76 and C53 recombination lines (RLs) have been detected toward the ultra-compact \HII\ region (UCHII region) G35.201.74. We also obta…
Metallicity effects in Photon Dominated Regions: Clumpy clouds
S. Jeyakumar, J. Stutzki
Several galaxies, such as dwarfs and Irregulars as well as outer galactic clouds have low metallicity. At low metallicities a reduction in the amount of dust and heavy elements pla…