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ON THE ORIGINS OF THE HIGH-LATITUDE Hα BACKGROUND

Autor: A. N. Witt, B. Gold, G. J. Madsen, Uma P. Vijh, C. T. DeRoo, F. S. Barnes

Publikováno v: The Astrophysical Journal. 724:1551-1560

The diffuse high-latitude H-alpha background is widely believed to be predominantly the result of in-situ recombination of ionized hydrogen in the warm interstellar medium of the Galaxy. Instead, we show that both a substantial fraction of the diffus

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20f90b3c93ce7fd5c8c373d5f865d4d1
https://doi.org/10.1088/0004-637x/724/2/1551

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INFRARED PERIOD-LUMINOSITY RELATIONS OF EVOLVED VARIABLE STARS IN THE LARGE MAGELLANIC CLOUD

Autor: Sundar Srinivasan, D. Riebel, Margaret Meixner, Oliver J. Fraser, Uma P. Vijh, Kem H. Cook

Publikováno v: The Astrophysical Journal. 723:1195-1209

We combine variability information from the MAssive Compact Halo Objects (MACHO) survey of the Large Magellanic Cloud (LMC) with infrared photometry from the Spitzer Space Telescope Surveying the Agents of a Galaxy's Evolution (SAGE) survey to create

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fceeac14f5dc956eb9d5075abd3bdfd3
https://doi.org/10.1088/0004-637x/723/2/1195

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SPATIAL VARIATIONS OF DUST ABUNDANCES ACROSS THE LARGE MAGELLANIC CLOUD

Autor: Uma P. Vijh, Karl D. Gordon, Chad Engelbracht, Remy Indebetouw, Miwa Block, Marilyn R. Meade, Margaret Meixner, Jean-Philippe Bernard, Joseph L. Hora, Deborah Paradis, William T. Reach, Marta Sewilo, Akiko Kawamura, Kevin Volk

Publikováno v: The Astronomical Journal. 138:196-209

Using the data obtained with the Spitzer Space telescope as part of the Surveying the Agents of a Galaxy's Evolution (SAGE) legacy survey, we have studied the variations of the dust composition and abundance across the Large Magellanic Cloud (LMC). S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0346a33a4836d161f1386308872bbd5
https://doi.org/10.1088/0004-6256/138/1/196

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THE RED RECTANGLE: ITS SHAPING MECHANISM AND ITS SOURCE OF ULTRAVIOLET PHOTONS

Autor: Adolf N. Witt, Donald G. York, L. M. Hobbs, Julie A. Thorburn, Uma P. Vijh, Jason P. Aufdenberg

Publikováno v: The Astrophysical Journal. 693:1946-1958

The proto-planetary Red Rectangle nebula is powered by HD 44179, a spectroscopic binary (P = 318 d), in which a luminous post-AGB component is the primary source of both luminosity and current mass loss. Here, we present the results of a seven-year,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99264157d97af1792b95daf4eae06509
https://doi.org/10.1088/0004-637x/693/2/1946

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Near-infrared polarimetry of the Red Rectangle

Autor: Tim Gledhill, Uma P. Vijh, Adolf N. Witt, Christopher J. Davis

Publikováno v: Monthly Notices of the Royal Astronomical Society. 392:1217-1224

Imaging polarimetry through J and H broad-band filters and a 3.4 � m narrow-band filter is used to highlight regions of scattered light in the Red Rectangle. We find that the scattered light identifies the circumbinary dust component of the molecul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::75263c608d8b51e483cc2b48f22f5b03
https://doi.org/10.1111/j.1365-2966.2008.14124.x

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VARIABLE EVOLVED STARS AND YOUNG STELLAR OBJECTS DISCOVERED IN THE LARGE MAGELLANIC CLOUD USING THESAGESURVEY

Autor: B. A. Whitney, Marilyn R. Meade, Charles W. Engelbracht, Claus Leitherer, Karl D. Gordon, Sundar Srinivasan, Karl Misselt, B. Q. For, Remy Indebetouw, Brian Babler, Joseph L. Hora, Uma P. Vijh, Marta Sewilo, Miwa Block, Margaret Meixner, S. Bracker

Publikováno v: The Astronomical Journal. 137:3139-3148

We present initial results and source lists of variable sources in the Large Magellanic Cloud (LMC) for which we detect thermal infrared variability from the SAGE (Surveying the Agents of a Galaxy's Evolution) survey, which had 2 epochs of photometry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db619247964b6db3338f0f24d5669e2e
https://doi.org/10.1088/0004-6256/137/2/3139

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Examining the Infrared Variable Star Population Discovered in the Small Magellanic Cloud Using the SAGE-SMC Survey

Autor: Elizabeth Polsdofer, Maverick Terrazas, Margaret Meixner, Massimo Marengo, Uma P. Vijh, Marta Sewilo, Jonathan Seale

Publikováno v: NASA Astrophysics Data System

We present our study on the infrared variability of point sources in the Small Magellanic Cloud (SMC). We use the data from the Spitzer Space Telescope Legacy Program "Surveying the Agents of Galaxy Evolution in the Tidally Stripped, Low Metallicity

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6737ebfbce95cd1a227277db3d5d701

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Optical Emission Band Morphologies of the Red Rectangle

Autor: Bruce E. Woodgate, Donald G. York, Adolf N. Witt, Povilas Palunas, Vikram V. Dwarkadas, Uma P. Vijh

Publikováno v: The Astrophysical Journal. 653:1336-1341

We present narrow-band images of the Red Rectangle (RR) nebula which reveal the distinct morphologies of this intriguing nebula in different optical emission bands. The morphology of the RR nebula in blue luminescence (BL) and extended red emission (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c9b088954a02077e2d06fd5b1b936d9
https://doi.org/10.1086/509061

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