Context: Previous studies have indicated that the 372.4 GHz ground transition of ortho-H2D+ might be a powerful probe of Proto-Planetary Disks. The line could be especially suited for study of the disk mid-plane, where the bulk of the mass resides and where planet formation takes place. Aims: Provide detailed theoretical predictions for the line

We present the results obtained from our deep survey of lensing clusters aimed at constraining the abundance of star-forming galaxies at z˜6 11.

Globular Clusters (GCs) provide crucial constraints on theories of the formation of galaxies as well as the amount and distribution of Dark Matter (DM) found in galaxies. We request time to extend our survey of nearby elliptical galaxies in high density and low density environments with observations of the globular cluster system of the nearby

We present two-dimensional Fabry-Perot observations of emission-line distribution and kinematics in nearly spiral galaxies. We have developed and demonstrated the utility of a number of analysis tools which have general applicability, and which we will use to analyze the dynamics of interstellar gas in a sample of 9 late-type spiral galaxies all

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We investigate bulge and disk scaling relations using a volume-corrected sample of early- to intermediate-type disk galaxies in which, importantly, the biasing flux from additional nuclear components has been modeled and removed. Structural parameters are obtained from a seeing-convolved, bulge + disk + nuclear-component decomposition applied to