NOAO >   Observing Info >   Approved Programs >   2017A-0342

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Program Information for 2017A-0342


PI: Colette Salyk, Vassar College, cosalyk@vassar.edu
Address: 124 RAYMOND AVE, POUGHKEEPSIE, NY 12604 USA

CoI: Matthew Richter, UC Davis
CoI: John Lacy, U. of Texas, Austin
CoI: Joan Najita, NOAO
CoI: Ke Zhang, U. of Michigan
CoI: Klaus Pontoppidan, STScI
CoI: Geoffrey Blake, California Institute of Technology

Title: Structure and chemistry of protoplanetary disk gaps

Abstract: We propose to observe and locate water vapor in two gapped protoplanetary disks, using TEXES on Gemini North. This work follows a successful detection of water vapor in the gapped "transition" disk DoAr 44 (Salyk et al. 2015), which demonstrated that this disk's terrestrial planet forming region has maintained typical disk chemistry and a typical gas/dust ratio, in spite of a large (36 AU) gap. The detection of water in this disk contrasts with several other water vapor-free gapped disks, and requires a large inner disk gas reservoir, likely maintained via flows across the gap. Here, we continue this work by studying two additional disks to (1) continue to provide observational constraints on gapped disk gas structures at small disk radii and (2) explore the parameter space of disk properties that allow terrestrial planet forming regions to remain water-vapor rich.

Program Type: Standard/Galactic

Scheduled Nights:
Run 1 (2017A):  GEM-N-SVC/TEXES -- 2.3hrs band 2 (GN-2017A-Q-37)


National Optical Astronomy Observatory, 950 North Cherry Avenue, P.O. Box 26732, Tucson, Arizona 85726, Phone: (520) 318-8000, Fax: (520) 318-8360



NOAO >   Observing Info >   Approved Programs >   2017A-0342

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