Interferometric Observations of Formaldehyde in the Protoplanetary Disk around LkCa15

Yuri Aikawa; Munetake Momose; Wing-Fai Thi; Gerd-Jan van Zadelhoff; Chunhua Qi; Geoffrey A. Blake; Ewine F. van Dishoeck

doi:10.1093/pasj/55.1.11

Interferometric Observations of Formaldehyde in the Protoplanetary Disk around LkCa15

Astrophysics 2015-06-24 v3

Authors: Yuri Aikawa , Munetake Momose , Wing-Fai Thi , Gerd-Jan van Zadelhoff , Chunhua Qi , Geoffrey A. Blake , Ewine F. van Dishoeck

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Abstract

Emission from the $2_{12}-1_{11}$ line of H $_2$ CO has been detected and marginally resolved toward LkCa15 by the Nobeyama Millimeter Array. The column density of H $_2$ CO is higher than that observed in DM Tau and than predicted by theoretical models of disk chemistry; also the line-intensity profile is less centrally peaked than that for CO. A similar behavior is observed in other organic gaseous molecules in the LkCa 15 disk.

Keywords

protoplanetary disk formaldehyde interferometry disk chemistry organic molecules

Cite

@article{arxiv.astro-ph/0211440,
  title  = {Interferometric Observations of Formaldehyde in the Protoplanetary Disk around LkCa15},
  author = {Yuri Aikawa and Munetake Momose and Wing-Fai Thi and Gerd-Jan van Zadelhoff and Chunhua Qi and Geoffrey A. Blake and Ewine F. van Dishoeck},
  journal= {arXiv preprint arXiv:astro-ph/0211440},
  year   = {2015}
}

Comments

5 pages, 4 figures. accepted to PASJ (Publication of Astronomical Society of Japan)

Interferometric Observations of Formaldehyde in the Protoplanetary Disk around LkCa15

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