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Where is the Metallicity Ceiling to Form Carbon Stars? – A Scarcity of Carbon Stars in the Inner Disk of M31

Boyer, Martha L. and Girardi, L. and Marigo, P. and Williams, B. F. and Aringer, B. and Nowotny, W. and Rosenfield, P. and Dorman, C. E. and Guhathakurta, P. and Dalcanton, J. J. and Melbourne, J. L. and Olsen, K. A. G. and Weisz, D. R. (2015) Where is the Metallicity Ceiling to Form Carbon Stars? – A Scarcity of Carbon Stars in the Inner Disk of M31. In: Why Galaxies Care About AGB Stars III: A Closer Look in Space and Time. Astronomical Society of the Pacific Conference Series. No.497. Astronomical Society of the Pacific , San Francisco, CA, pp. 479-480. ISBN 978-1-58381-878-7. http://resolver.caltech.edu/CaltechAUTHORS:20160325-133943044

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Abstract

We have used a novel technique involving near-infrared colors from the Hubble Space Telescope to distinguish C stars from M stars in a field in M31. The resulting C/M ratio is much lower than other estimates in M31.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://www.aspbooks.org/a/volumes/article_details/?paper_id=37257PublisherArticle
ORCID:
AuthorORCID
Guhathakurta, P.0000-0001-8867-4234
Olsen, K. A. G.0000-0002-7134-8296
Additional Information:© 2015 Astronomical Society of the Pacific. This work was supported by the NASA Postdoctoral Program at the GSFC, administered by ORAU through a contract with NASA, and by NASA through HST grant numbers GO-12862 and GO-12055 from the STScI, which is operated by AURA, Inc., under NASA contract NAS5-26555. PM and LG acknowledge support from Progetto di Ateneo 2012, University of Padova, ID: CPDA125588/12. This research was funded in part by the Austrian Science Fund (FWF): P21988-N16.
Funders:
Funding AgencyGrant Number
NASAUNSPECIFIED
NASAGO-12862
NASAGO-12055
NASANAS5-26555
University of PadovaCPDA125588/12
Austrian Science Fund (FWF)P21988-N16
Record Number:CaltechAUTHORS:20160325-133943044
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160325-133943044
Official Citation:Where is the Metallicity Ceiling to Form Carbon Stars? – A Scarcity of Carbon Stars in the Inner Disk of M31 Boyer, M. L.; Girardi, L.; Marigo, P.; Williams, B. F.; Aringer, B.; Nowotny, W.; Rosenfield, P.; Dorman, C. E.; Guhathakurta, P.; Dalcanton, J. J.; Melbourne, J. L.; Olsen, K. A. G.; Weisz, D. R. 479-480
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:65685
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:25 Mar 2016 21:29
Last Modified:20 Mar 2019 18:24

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