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Line surveys of irradiated protostars: Photo-destruction and evaporation

Published online by Cambridge University Press:  18 July 2017

Johan E. Lindberg ,
Steven B. Charnley ,
Jes K. Jørgensen ,
Yoshimasa Watanabe ,
Suzanne E. Bisschop ,
Nami Sakai  and
Satoshi Yamamoto
Johan E. Lindberg
Affiliation:
NASA Goddard Space Flight Center, Astrochemistry Laboratory, Mail Code 691, 8800 Greenbelt Road, Greenbelt, MD 20771, USA email: johan.lindberg@nasa.gov
Steven B. Charnley
Affiliation:
NASA Goddard Space Flight Center, Astrochemistry Laboratory, Mail Code 691, 8800 Greenbelt Road, Greenbelt, MD 20771, USA email: johan.lindberg@nasa.gov
Jes K. Jørgensen
Affiliation:
Centre for Star and Planet Formation, Niels Bohr Institute and Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, DK-1350 Copenhagen K, Denmark
Yoshimasa Watanabe
Affiliation:
Department of Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
Suzanne E. Bisschop
Affiliation:
Centre for Star and Planet Formation, Niels Bohr Institute and Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, DK-1350 Copenhagen K, Denmark
Nami Sakai
Affiliation:
Department of Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
Satoshi Yamamoto
Affiliation:
Department of Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
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Abstract

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Submillimetre observations of the externally irradiated protostar R CrA IRS7B show that this source has dramatically different chemical abundances in comparison with otherwise similar embedded protostars not subject to external irradiation.

Keywords

stars: formationISM: moleculesISM: abundancesastrochemistry

References

Cazaux, S., Tielens, A. G. G. M., Ceccarelli, C., et al. 2003, ApJ Lett., 593, L51 CrossRefGoogle Scholar
Lindberg, J. E. & Jørgensen, J. K., 2012, A&A., 548, A24 Google Scholar
Lindberg, J. E., Jørgensen, J. K., Green, J. D., et al. 2014, A&A., 565, A29 Google Scholar
Lindberg, J. E., Jørgensen, J. K., Watanabe, Y., et al. 2015, A&A., in press (arXiv:1509.02514)Google Scholar
Sakai, N. & Yamamoto, S., 2013, Chemical Reviews, 113, 8981 Google Scholar