140 citations · 225 across the 6 of their papers we have counts for
6 papers
Quantum Calculation of Inelastic CO Collisions with H. III. Rate Coefficients for Ro-vibrational Transitions
L. Song, N. Balakrishnan, K. M. Walker +5
We present calculated rate coefficients for ro-vibrational transitions of CO in collisions with H atoms for a gas temperature range of 10 K 3000 K, based on the recen…
Quantum Calculation of Inelastic CO Collisions with H. II. Pure Rotational Quenching of High Rotational Levels
Kyle M. Walker, L. Song, B. H. Yang +5
Carbon monoxide is a simple molecule present in many astrophysical environments, and collisional excitation rate coefficients due to the dominant collision partners are necessary t…
Collisional quenching of highly rotationally excited HF
Benhui Yang, K. M. Walker, R. C. Forrey +2
Collisional excitation rate coefficients play an important role in the dynamics of energy transfer in the interstellar medium. In particular, accurate rotational excitation rates a…
On the Validity of Collider-Mass Scaling for Molecular Rotational Excitation
Kyle M. Walker, B. H. Yang, P. C. Stancil +2
Rate coefficients for collisional processes such as rotational and vibrational excitation are essential inputs in many astrophysical models. When rate coefficients are unknown, the…
Rubidium in the Interstellar Medium
Kyle M. Walker, S. R. Federman, David C. Knauth +1
We present observations of interstellar rubidium toward o Per, zeta Per, AE Aur, HD 147889, chi Oph, zeta Oph, and 20 Aql. Theory suggests that stable 85Rb and long-lived 87Rb are…
Parent Stars of Extrasolar Planets VII: New Abundance Analyses of 30 Systems
Chris Laws, Guillermo Gonzalez, Kyle M. Walker +4
The results of new spectroscopic analyses of 30 stars with giant planet and/or brown dwarf companions are presented. Values for Teff and [Fe/H] are used in conjunction with Hipparc…