Observations of DG Tauri with the Keck Interferometer
M. M. ColavitaJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Rachel AkesonPeter WizinowichW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Minhua ShaoJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Scott T. ActonW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743James W. BeleticW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743J. BellW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Jeffrey BerlinJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109A. F. BodenA. J. BoothJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109R. BoutellW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Frederic H. ChaffeeW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Dwight ChanW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743J. ChockW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Richard W. CohenW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743S. CrawfordJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109M. J. Creech‐EakmanJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Glenn EychanerJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109C. FelizardoJ. GathrightW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Graham HardyJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Heike HendersonJ. HersteinM. HessW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743E. HovlandJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109M. HrynevychW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Richard L. JohnsonJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109J. H. KelleyJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Rick KendrickW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743C. KoreskoP. KurpisW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743D. Le MignantW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Hilton LewisW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Edgar R. LigonJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109William LuptonW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743David McBrideW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Bertrand MennessonJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109R. Millan‐GabetJohn D. MonnierUniversity of Michigan, 941 Dennison Building, Ann Arbor, MI 48109James D. MooreJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109C. NanceW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743C. NeymanW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Albert F. NiessnerJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Dean L. PalmerJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Leonard J. RederJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109A. RudeenW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743T. SalogaW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Anneila I. SargentEugene SerabynJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109R. SmytheJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Paul J. StomskiW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743K. SummersW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743Mark G. SwainJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109P. SwansonJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109R. R. ThompsonJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Kevin TsubotaW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743A. TumminelloJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Gerald van BelleGautam VasishtJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109J. VauseW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743James M. WalkerW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743J. Kent WallaceJet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109Udo J. WehmeierW. M. Keck Observatory, California Association for Research in Astronomy, 65-1120 Mamalahoa Highway, Kamuela, HI 96743
2003en
ABI
Аннотация
We present the first science results from the Keck Interferometer, a direct-detection infrared interferometer utilizing the two 10-meter Keck telescopes. The instrument and system components are briefly described. We then present observations of the T Tauri object DG Tau, which is resolved by the interferometer. The resolved component has a radius of 0.12 to 0.24 AU, depending on the assumed stellar and extended component fluxes and the model geometry used. Possible origins and implications of the resolved emission are discussed.
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