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Interferometric Observations of Formaldehyde in the Protoplanetary Disk around LkCa15
Yuri Aikawa, Munetake Momose, Wing-Fai Thi +4
Emission from the line of HCO has been detected and marginally resolved toward LkCa15 by the Nobeyama Millimeter Array. The column density of HCO is higher…
Axi-symmetric models of ultraviolet radiative transfer with applications to circumstellar disk chemistry
Gerd-Jan van Zadelhoff, Yuri Aikawa, M. R. Hogerheijde +1
A new two-dimensional axi-symmetric ultraviolet radiative transfer code is presented, which is used to calculate photodissociation and ionization rates for use in chemistry models…
Two-dimensional Distributions and Column Densities of Gaseous Molecules in Protoplanetary Disks II
Y. Aikawa, E. Herbst
We have investigated the two-dimensional (R,Z) distribution of deuterated molecular species in circumstellar disks around young stellar objects. The abundance ratios between singly…
Molecular Evolution in Collapsing Prestellar Cores
Y. Aikawa, N. Ohashi, S. Inutsuka +2
We have investigated the evolution and distribution of molecules in collapsing prestellar cores via numerical chemical models, adopting the Larson-Penston solution and its delayed…