Search Results - "Weinberger, A J"

Accreting protoplanets in the LkCa 15 transition disk by Sallum, S., Follette, K. B., Eisner, J. A., Close, L. M., Hinz, P., Kratter, K., Males, J., Skemer, A., Macintosh, B., Tuthill, P., Bailey, V., Defrère, D., Morzinski, K., Rodigas, T., Spalding, E., Vaz, A., Weinberger, A. J.

“…Transition disks are natural laboratories for the study of planet formation, with inner clearings explained by the influence of accreting planets, but attempts…”
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NEW PARALLAXES AND A CONVERGENCE ANALYSIS FOR THE TW Hya ASSOCIATION by Donaldson, J. K., Weinberger, A. J., Gagné, J., Faherty, J. K., Boss, A. P., Keiser, S. A.

“…ABSTRACT The TW Hya Association (TWA) is a nearby stellar association with an age of ∼5-10 Myr. This is an important age for studying the late stages of star…”
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The Absence of Cold Dust and the Mineralogy and Origin of the Warm Dust Encircling BD +20 307 by Weinberger, A. J, Becklin, E. E, Song, I, Zuckerman, B

“…Spitzer Space Telescope photometry and spectroscopy of BD +20 307 show that all of the dust around this remarkable Gyr-old spectroscopic binary arises within 1…”
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A Dusty Disk around GD 362, a White Dwarf with a Uniquely High Photospheric Metal Abundance by Becklin, E. E, Farihi, J, Jura, M, Song, Inseok, Weinberger, A. J, Zuckerman, B

“…Eighteen years after an infrared excess was discovered associated with the white dwarf G29-38, we report ground-based measurements (JHK sub(S)KL'N') with…”
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On the Binary Nature of Dust-encircled BD +20 307 by Weinberger, A. J

“…Three epochs of high-resolution spectra of the star BD +20 307 show that it is a short-period ( similar to 3.4 day) spectroscopic binary of two nearly…”
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Stellar Companions and the Age of HD 141569 and Its Circumstellar Disk by Weinberger, A. J, Rich, R. M, Becklin, E. E, Zuckerman, B, Matthews, K

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Seven white dwarfs with circumstellar gas discs I: white dwarf parameters and accreted planetary abundances by Rogers, L K, Bonsor, A, Dufour, P, Klein, B L, Buchan, A, Hodgkin, S, Hardy, F, Kissler-Patig, M, Melis, C, Weinberger, A J, Zuckerman, B

“…ABSTRACT Observations of planetary material polluting the atmospheres of white dwarfs are an important probe of the bulk composition of exoplanetary material…”
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Gaia white dwarfs within 40 pc – III. Spectroscopic observations of new candidates in the Southern hemisphere by O’Brien, Mairi W, Tremblay, P-E, Gentile Fusillo, N P, Hollands, M A, Gänsicke, B T, Koester, D, Pelisoli, I, Cukanovaite, E, Cunningham, T, Doyle, A E, Elms, A, Farihi, J, Hermes, J J, Holberg, J, Jordan, S, Klein, B L, Kleinman, S J, Manser, C J, De Martino, D, Marsh, T R, McCleery, J, Melis, C, Nitta, A, Parsons, S G, Raddi, R, Rebassa-Mansergas, A, Schreiber, M R, Silvotti, R, Steeghs, D, Toloza, O, Toonen, S, Torres, S, Weinberger, A J, Zuckerman, B

“…Abstract We present a spectroscopic survey of 248 white dwarf candidates within 40 pc of the Sun; of these 244 are in the Southern hemisphere. Observations…”
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Detection of a Variable Infrared Excess around SDSS J121209.31+013627.7 by Debes, J. H, López-Morales, M, Bonanos, A. Z, Weinberger, A. J

“…We present near-infrared JHK sub(s) photometry and light curves of the candidate magnetic white dwarf+brown dwarf binary SDSS J121209.31+013627.7 and report on…”
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The Circumstellar Disk of HD 141569 Imaged with NICMOS by Weinberger, A. J, Becklin, E. E, Schneider, G, Smith, B. A, Lowrance, P. J, Silverstone, M. D, Zuckerman, B, Terrile, R. J

“…Coronagraphic imaging with the Near-Infrared Camera and Multiobject Spectrometer on the Hubble Space Telescope reveals a large, approximately 400 AU (4 )…”
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The First Spatially Resolved Mid-Infrared Spectroscopy of β Pictoris by Weinberger, A. J, Becklin, E. E, Zuckerman, B

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Infrared Views of the TW Hydra Disk by Weinberger, A. J, Becklin, E. E, Schneider, G, Chiang, E. I, Lowrance, P. J, Silverstone, M, Zuckerman, B, Hines, D. C, Smith, B. A

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Detection of Near-infrared Water Ice at the Surface of the (Pre)Transitional Disk of AB Aur: Informing Icy Grain Abundance, Composition, and Size by Betti, S. K., Follette, K., Jorquera, S., Duchêne, G., Mazoyer, J., Bonnefoy, M., Chauvin, G., Pérez, L. M., Boccaletti, A., Pinte, C., Weinberger, A. J., Grady, C., Close, L. M., Defrère, D., Downey, E. C., Hinz, P. M., Ménard, F., Schneider, G., Skemer, A. J., Vaz, A.

“…Abstract We present near-infrared Large Binocular Telescope LMIRCam imagery of the disk around the Herbig Ae/Be star AB Aurigae. A comparison of the surface…”
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The 40 pc sample of white dwarfs from Gaia by O’Brien, Mairi W, Tremblay, P-E, Klein, B L, Koester, D, Melis, C, Bédard, A, Cukanovaite, E, Cunningham, T, Doyle, A E, Gänsicke, B T, Gentile Fusillo, N P, Hollands, M A, McCleery, J, Pelisoli, I, Toonen, S, Weinberger, A J, Zuckerman, B

“…ABSTRACT We present a comprehensive overview of a volume-complete sample of white dwarfs located within 40 pc of the Sun, a significant proportion of which…”
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NULLING DATA REDUCTION AND ON-SKY PERFORMANCE OF THE LARGE BINOCULAR TELESCOPE INTERFEROMETER by Defrère, D., Hinz, P. M., Mennesson, B., Hoffmann, W. F., Millan-Gabet, R., Skemer, A. J., Bailey, V., Danchi, W. C., Downey, E. C., Durney, O., Grenz, P., Hill, J. M., McMahon, T. J., Montoya, M., Spalding, E., Vaz, A., Absil, O., Arbo, P., Bailey, H., Brusa, G., Bryden, G., Esposito, S., Gaspar, A., Haniff, C. A., Kennedy, G. M., Leisenring, J. M., Marion, L., Nowak, M., Pinna, E., Powell, K., Puglisi, A., Rieke, G., Roberge, A., Serabyn, E., Sosa, R., Stapeldfeldt, K., Su, K., Weinberger, A. J., Wyatt, M. C.

“…ABSTRACT The Large Binocular Telescope Interferometer (LBTI) is a versatile instrument designed for high angular resolution and high-contrast infrared imaging…”
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New Parallaxes for the Upper Scorpius OB Association by Donaldson, J. K., Weinberger, A. J., Gagné, J., Boss, A. P., Keiser, S. A.

“…Upper Scorpius is a subgroup of the nearest OB association, Scorpius-Centaurus. Its young age makes it an important association to study star and planet…”
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High Spatial Resolution Imaging of Arp 220 from 3 to 25 Microns by Soifer, B. T, Neugebauer, G, Matthews, K, Becklin, E. E, Ressler, M, Werner, M. W, Weinberger, A. J, Egami, E

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No Fossil Disk in the T Tauri Multiple System V773 Tauri by Duchêne, G, Ghez, A. M, McCabe, C, Weinberger, A. J

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DETECTION OF WEAK CIRCUMSTELLAR GAS AROUND THE DAZ WHITE DWARF WD 1124-293: EVIDENCE FOR THE ACCRETION OF MULTIPLE ASTEROIDS by Debes, J H, Kilic, M, Faedi, F, Shkolnik, E L, Lopez-Morales, M, Weinberger, A J, Slesnick, C, West, R G

“…Single metal-polluted white dwarfs with no dusty disks are believed to be actively accreting metals from a circumstellar disk of gas caused by the destruction…”
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Mid-Infrared Images of the Debris Disk around HD 141569 by Marsh, K. A, Silverstone, M. D, Becklin, E. E, Koerner, D. W, Werner, M. W, Weinberger, A. J, Ressler, M. E

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