Monnier, John D. and Zhao, M. and Pedretti, E. and Thureau, N. and Ireland, M. and Muirhead, P. and Berger, J.-P. and Millan-Gabet, R. and van Belle, G. and ten Brummelaar, T. and McAlister, H. and Ridgway, S. and Turner, N. and Sturmann, L. and Sturmann, J. and Berger, D. and Tannirkulam, A. and Blum, J. (2008) Imaging the surface of Altair and a MIRC update. In: Optical and Infrared Interferometry. Proceedings of SPIE. No.7013. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 701302. ISBN 9780819472236. https://resolver.caltech.edu/CaltechAUTHORS:20180802-154730855
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Abstract
We report the first scientific results from the Michigan Infrared Combiner (MIRC), including the first resolved image of a main-sequence star besides the Sun. Using the CHARA Array, MIRC was able to clearly resolve the well-known elongation of Altair's photosphere due to centrifugal distortion, and was also able to unambiguously image the effect of gravity darkening. In this report, we also show preliminary images of the interacting binary β Lyr and give an update of MIRC performance.
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| Additional Information: | © 2008 Society of Photo-Optical Instrumentation Engineers (SPIE). This work has been supported by the University of Michigan, the National Science Foundation and NASA. | ||||||||||||||||||||||
| Group: | Infrared Processing and Analysis Center (IPAC) | ||||||||||||||||||||||
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| Subject Keywords: | interferometry, infrared, rapid rotation, fiber optics, altair, beta lyrae | ||||||||||||||||||||||
| Series Name: | Proceedings of SPIE | ||||||||||||||||||||||
| Issue or Number: | 7013 | ||||||||||||||||||||||
| DOI: | 10.1117/12.789754 | ||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20180802-154730855 | ||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180802-154730855 | ||||||||||||||||||||||
| Official Citation: | John D. Monnier, M. Zhao, E. Pedretti, N. Thureau, M. Ireland, P. Muirhead, J.-P. Berger, R. Millan-Gabet, G. Van Belle, T. ten Brummelaar, H. McAlister, S. Ridgway, N. Turner, L. Sturmann, J. Sturmann, D. Berger, A. Tannirkulam, J. Blum, "Imaging the surface of Altair and a MIRC update", Proc. SPIE 7013, Optical and Infrared Interferometry, 701302 (15 July 2008); doi: 10.1117/12.789754; https://doi.org/10.1117/12.789754 | ||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||
| ID Code: | 88541 | ||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||
| Deposited By: | George Porter | ||||||||||||||||||||||
| Deposited On: | 03 Aug 2018 21:04 | ||||||||||||||||||||||
| Last Modified: | 16 Nov 2021 00:27 |
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