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dc.contributor.authorQi, Chunhua
dc.contributor.authorOberg, Karin
dc.contributor.authorWilner, David J.
dc.contributor.authorRosenfeld, Katherine Ann
dc.date.accessioned2017-09-25T20:55:46Z
dc.date.issued2013
dc.identifier.citationQi, Chunhua, Karin I. Öberg, David J. Wilner, and Katherine A. Rosenfeld. 2013. “FIRST DETECTION OFc-C3H2IN A CIRCUMSTELLAR DISK.” The Astrophysical Journal 765 (1) (February 14): L14. doi:10.1088/2041-8205/765/1/l14.en_US
dc.identifier.issn2041-8205en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:33946924
dc.description.abstractWe report the first detection of c-C3H2 in a circumstellar disk. The c-C3H2 J = 6-5 line (217.882 GHz) is detected and imaged through Atacama Large Millimeter Array (ALMA) Science Verification observations toward the disk around the Herbig Ae star HD 163296 at 0.''8 resolution. The emission is consistent with that arising from a Keplerian rotating disk. Two additional c-C3H2 transitions are also tentatively detected, bolstering the identification of this species, but with insufficient signal-to-noise ratio to constrain the spatial distribution. Using a previously developed model for the physical structure of this disk, we fit a radial power-law distribution model to the c-C3H2 6-5 emission and find that c-C3H2 is present in a ring structure from an inner radius of about 30 AU to an outer radius of about 165 AU. The column density is estimated to be 1012-1013 cm–2. The clear detection and intriguing ring structure suggest that c-C3H2 has the potential to become a useful probe of radiation penetration in disks.en_US
dc.description.sponsorshipAstronomyen_US
dc.language.isoen_USen_US
dc.publisherIOP Publishingen_US
dc.relation.isversionofdoi:10.1088/2041-8205/765/1/L14en_US
dc.relation.hasversionhttp://arxiv.org/abs/1302.0251en_US
dash.licenseOAP
dc.subjectastrochemistryen_US
dc.subjectISM: moleculesen_US
dc.subjectprotoplanetary disksen_US
dc.subjectradio lines: ISMen_US
dc.subjectstars: formationen_US
dc.subjecttechniques: high angular resolutionen_US
dc.titleFirst Detection of c-C3H2 in a Circumstellar Disken_US
dc.typeJournal Articleen_US
dc.description.versionAccepted Manuscripten_US
dc.relation.journalThe Astrophysical Journalen_US
dash.depositing.authorOberg, Karin
dc.date.available2017-09-25T20:55:46Z
dc.identifier.doi10.1088/2041-8205/765/1/L14*
workflow.legacycommentsFAR 2014.en_US
dash.authorsorderedfalse
dash.contributor.affiliatedRosenfeld, Katherine
dash.contributor.affiliatedQi, Chunhua
dash.contributor.affiliatedOberg, Karin
dash.contributor.affiliatedWilner, David


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