Simon Bruderer
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View article: iSLAT: the Interactive Spectral-line Analysis Tool for JWST and Beyond
iSLAT: the Interactive Spectral-line Analysis Tool for JWST and Beyond Open
We present the Interactive Spectral-Line Analysis Tool (iSLAT), a python-based graphical tool that allows users to interactively explore, inspect, and fit line emission observed in molecular spectra. iSLAT adopts a simple slab model in LTE…
View article: The Carbon Isotopic Ratio and Planet Formation
The Carbon Isotopic Ratio and Planet Formation Open
We present the first detection of 13CCH in a protoplanetary disk (TW Hya). Using observations of C2H we measure CCH/13CCH = 65 +/- 20 in gas with a CO isotopic ratio of 12CO/13CO = 21 +/- 5 (Yoshida et al. 2022a). The TW Hya disk exhibits …
View article: iSLAT: the Interactive Spectral-Line Analysis Tool for JWST and beyond
iSLAT: the Interactive Spectral-Line Analysis Tool for JWST and beyond Open
We present iSLAT (the Interactive Spectral-Line Analysis Tool), a python-based graphical tool that allows users to interactively explore and manually fit line emission observed in molecular spectra. iSLAT adopts a simple slab model that si…
View article: Mid-infrared spectra of T Tauri disks: Modeling the effects of a small inner cavity on CO<sub>2</sub> and H<sub>2</sub>O emission
Mid-infrared spectra of T Tauri disks: Modeling the effects of a small inner cavity on CO<sub>2</sub> and H<sub>2</sub>O emission Open
Context . The inner few AU of disks around young stars, where terrestrial planets are thought to form, are best probed in the infrared. The James Webb Space Telescope is now starting to characterize the chemistry of these regions in unprec…
View article: Mid-infrared spectra of T Tauri disks: Modeling the effects of a small inner cavity on CO2 and H2O emission
Mid-infrared spectra of T Tauri disks: Modeling the effects of a small inner cavity on CO2 and H2O emission Open
[Abridged] The inner few AU of disks around young stars are best probed in the infrared. The James Webb Space Telescope (JWST) is now starting to characterize the chemistry of these regions in unprecedented detail. One peculiar subset of s…
View article: JWST reveals excess cool water near the snowline in compact disks, consistent with pebble drift
JWST reveals excess cool water near the snowline in compact disks, consistent with pebble drift Open
Previous analyses of mid-infrared water spectra from young protoplanetary disks observed with the Spitzer-IRS found an anti-correlation between water luminosity and the millimeter dust disk radius observed with ALMA. This trend was suggest…
View article: The kinematics and excitation of infrared water vapor emission from planet-forming disks: results from spectrally-resolved surveys and guidelines for JWST spectra
The kinematics and excitation of infrared water vapor emission from planet-forming disks: results from spectrally-resolved surveys and guidelines for JWST spectra Open
This work presents ground-based spectrally-resolved water emission at R = 30000-100000 over infrared wavelengths covered by JWST (2.9-12.8 $μ$m). Two new surveys with iSHELL and VISIR are combined with previous spectra from CRIRES and TEXE…
View article: Gap Opening and Inner Disk Structure in the Strongly Accreting Transition Disk of DM Tau
Gap Opening and Inner Disk Structure in the Strongly Accreting Transition Disk of DM Tau Open
Large inner dust gaps in transition disks are frequently posited as evidence of giant planets sculpting gas and dust in the disk, or the opening of a gap by photoevaporative winds. Although the former hypothesis is strongly supported by th…
View article: Gap Opening and Inner Disk Structure in the Strongly Accreting Transition Disk of DM Tau
Gap Opening and Inner Disk Structure in the Strongly Accreting Transition Disk of DM Tau Open
Large inner dust gaps in transition disks are frequently posited as evidence of giant planets sculpting gas and dust in the disk, or the opening of a gap by photoevaporative winds. Although the former hypothesis is strongly supported by th…
View article: Gas Cavities inside Dust Cavities in Disks Inferred from ALMA Observations
Gas Cavities inside Dust Cavities in Disks Inferred from ALMA Observations Open
Protoplanetary disks with cavities in their dust distribution, also named transitional disks, are expected to be in the middle of active evolution and possibly planet formation. In recent years, millimeter-dust rings observed by ALMA have …