An ALMA Survey of H2CO in Protoplanetary Disks

  title={An ALMA Survey of H2CO in Protoplanetary Disks},
  author={Jamila Pegues and Karin I. {\"O}berg and Jennifer B. Bergner and Ryan A. Loomis and Chunhua Qi and Romane Le Gal and L. Ilsedore Cleeves and Viviana V. Guzm'an and Jane Huang and Jes K. J{\o}rgensen and Sean M. Andrews and Geoffrey A. Blake and John M. Carpenter and Kamber R. Schwarz and Jonathan P. Williams and David J. Wilner},
  journal={The Astrophysical Journal},
H2CO is one of the most abundant organic molecules in protoplanetary disks and can serve as a precursor to more complex organic chemistry. We present an Atacama Large Millimeter/submillimeter Array survey of H2CO toward 15 disks covering a range of stellar spectral types, stellar ages, and dust continuum morphologies. H2CO is detected toward 13 disks and tentatively detected toward a fourteenth. We find both centrally peaked and centrally depressed emission morphologies, and half of the disks… 

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