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1.05m reflector (many nights)
--- photographic photometry of globular cluster stars (investigating possible variability of asymptotic giant branch stars)
--- high-resolution interferometric spectroscopy of planetary nebulae and symbiotic stars (velocity profiles of H-alpha and O III] emission)
--- experiments in ccd astrometry
coude feed + coude spectrograph (18 runs, >100 nights)
--- high-resolution (1.2-1.5 km/s or 2.5-3.0 km/s) spectroscopy of interstellar absorption lines toward many Galactic stars (surveys, regional studies, detailed line of sight studies)
2.7m + coude spectrograph (4 runs, 15 nights)
--- high-resolution (0.5-0.6 km/s) spectroscopy of interstellar absorption lines (Na I, K I, Ca I)
3.9m AAT + UHRF (2 runs, 7 nights)
--- high-resolution (0.3 km/s) spectroscopy of interstellar absorption lines (Na I, Ca II, Ca I, Fe I)
3.9m AAT + UCLES (1 run, 5 nights)
--- moderately high resolution (5 km/s) spectroscopy of interstellar Na I and K I absorption in the LMC and SMC
3.6m + CES (3 runs, 9 nights)
--- high-resolution (1.25-2.0 km/s) spectroscopy of interstellar Na I and Ca II absorption in the LMC and SMC
VLT + UVES (1 run, 3 nights)
--- moderately high resolution (5 km/s) spectroscopy of interstellar absorption in the Magellanic Clouds
Magellan + MIKE (1 run, 2 nights)
--- moderately high resolution (6 km/s) spectroscopy of interstellar absorption (Galactic and extragalactic targets)
high- and low-resolution UV spectra to study interstellar absorption lines and UV extinction in high-latitude molecular clouds (PI for five observing programs; co-I for several other observing and archival programs)
GHRS (Goddard High-Resolution Spectrograph)
--- high-resolution spectra of interstellar absorption lines toward one SMC star (PI)
--- high-resolution spectra of high-velocity gas toward three disk stars (PI)
--- high-resolution spectra of interstellar lines toward 12 disk stars (co-I)
STIS (Space Telescope Imaging Spectrograph)
--- high-resolution spectra of interstellar absorption lines toward one SMC star (PI)
--- high-resolution spectra monitoring variable interstellar absorption toward one halo star (PI)
--- high-resolution spectra of interstellar absorption lines toward three LMC stars (PI)
--- high-resolution spectra of interstellar absorption lines toward HD 62542 (PI)
--- high-resolution spectra of interstellar absorption lines toward HD 204827 (co-I)
--- high-resolution spectra of interstellar absorption lines toward two Magellanic Clouds stars (PI)
spectra of interstellar absorption lines toward one disk star (PI)
spectra of interstellar absorption lines toward two SMC stars (PI)
3 week-long stints as observer -- scheduling projects, monitoring array performance, minor trouble-shooting
PI for two projects aimed at detecting high-z molecular absorption (corresponding to damped Lyman-alpha systems) toward quasars
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Last modified 22 Jan 2013