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タイトルMilli-Arcsecond Infrared Observations of the Nova RS Ophiuchi
著者(英)Traub, W. A.; Danchi, W. C.; Barry, Richard K.; Koresko, C.; Greenhouse, M. A.; Serabyn, E.; Lane, B. F.; Monnier, J. D.; Kuchner, M.; Mennesson, B.; Colavita, M. M.
著者所属(英)NASA Goddard Space Flight Center
発行日2007-06-12
言語eng
内容記述We report on infrared interferometric measurements of the 2006 outburst of Nova RS Oph in H, K, and N bands. These measurements, conducted using the Infrared and Optical Telescope Array, the Palomar Testbed Interferometer, and the Keck Interferometer, show a small variation in the 3 mas size if this resolved source during the first 65 days of the outburst. Additionally, using interferometric closure phases, these observations show an unambiguous departure from point symmetry of the object. We also describe simultaneous N-band observations of the nova in two separate milli-arcsecond spatial regimes on day four in which we detect line emission indicating onset of the optically thin phase. These data represent the first science from the Keck Interferometer's nulling mode.
NASA分類Astronomy
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