Search Results - "Bohn, J A"

Two accreting protoplanets around the young star PDS 70 by Haffert, S. Y., Bohn, A. J., de Boer, J., Snellen, I. A. G., Brinchmann, J., Girard, J. H., Keller, C. U., Bacon, R.

“…Newly forming protoplanets are expected to create cavities and substructures in young, gas-rich protoplanetary disks 1 – 3 , but they are difficult to detect…”
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Demographic and mortality analysis of hospitalized children at a referral hospital in Addis Ababa, Ethiopia by Bohn, J A, Kassaye, B M, Record, D, Chou, B C, Kraft, I L, Purdy, J C, Hilton, K A, Miller, D A, Getachew, S, Addissie, A, Robison, J A

“…Global childhood mortality rates remain high. Millennium Development Goal 4 focused efforts on reducing rates by two-thirds between 1990 and 2015. In Ethiopia,…”
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The Young Suns Exoplanet Survey: Detection of a wide-orbit planetary-mass companion to a solar-type Sco-Cen member by Bohn, A J, Kenworthy, M A, Ginski, C, Manara, C F, Pecaut, M J, de Boer, J, Keller, C U, Mamajek, E E, Meshkat, T, Reggiani, M, Todorov, K O, Snik, F

“…ABSTRACT The Young Suns Exoplanet Survey consists of a homogeneous sample of 70 young, solar-mass stars located in the Lower Centaurus-Crux subgroup of the…”
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(1→3)-β- d-Glucans as biological response modifiers: a review of structure-functional activity relationships by Bohn, John A., BeMiller, James N.

“…(1→3)-β- d-Glucans that have β- d-glucopyranosyl units attached by (1→6) linkages as single unit branches enhance the immune system systemically. This…”
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Spectral and angular differential imaging with SPHERE/IFS. Assessing the performance of various PCA-based approaches to PSF subtraction by Kiefer, S, Bohn, A. J, Quanz, S. P, Kenworthy, M, Stolker, T

“…A&A 652, A33 (2021) Angular differential imaging (ADI) and spectral differential imaging (SDI) are commonly used for direct detection and characterisation of…”
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A multiplicity study of transiting exoplanet host stars. II. Revised properties of transiting planetary systems with companions by Southworth, J, Bohn, A. J, Kenworthy, M. A, Ginski, C, Mancini, L

“…A&A 635, A74 (2020) We perform a detailed study of six transiting planetary systems with relatively bright stars close enough to affect observations of these…”
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Probing inner and outer disk misalignments in transition disks by Bohn, A. J, Benisty, M, Perraut, K, van der Marel, N, Wölfer, L, van Dishoeck, E. F, Facchini, S, Manara, C. F, Teague, R, Francis, L, Berger, J-P, Garcia-Lopez, R, Ginski, C, Henning, T, Kenworthy, M, Kraus, S, Ménard, F, Mérand, A, Pérez, L. M

“…A&A 658, A183 (2022) For several transition disks (TDs), dark regions interpreted as shadows have been observed in scattered light imaging and are hypothesized…”
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A multiplicity study of transiting exoplanet host stars. I. High-contrast imaging with VLT/SPHERE by Bohn, A. J, Southworth, J, Ginski, C, Kenworthy, M. A, Maxted, P. F. L, Evans, D. F

“…A&A 635, A73 (2020) We study the multiplicity of host stars to known transiting extra-solar planets to test competing theories on the formation mechanisms of…”
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ALMA and NACO observations towards the young exoring transit system J1407 (V1400 Cen) by Kenworthy, M. A, Klaassen, P. D, Min, M, van der Marel, N, Bohn, A. J, Kama, M, Triaud, A, Hales, A, Monkiewicz, J, Scott, E, Mamajek, E. E

“…A&A 633, A115 (2020) Our aim was to directly detect the thermal emission of the putative exoring system responsible for the complex deep transits observed in…”
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A survey of the linear polarization of directly imaged exoplanets and brown dwarf companions with SPHERE-IRDIS. First polarimetric detections revealing disks around DH Tau B and GSC 6214-210 B by van Holstein, R. G, Stolker, T, Jensen-Clem, R, Ginski, C, Milli, J, de Boer, J, Girard, J. H, Wahhaj, Z, Bohn, A. J, Millar-Blanchaer, M. A, Benisty, M, Bonnefoy, M, Chauvin, G, Dominik, C, Hinkley, S, Keller, C. U, Keppler, M, Langlois, M, Marino, S, Ménard, F, Perrot, C, Schmidt, T. O. B, Vigan, A, Zurlo, A, Snik, F

“…A&A 647, A21 (2021) Young giant planets and brown dwarf companions emit near-infrared radiation that can be linearly polarized up to several percent. This…”
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Two accreting protoplanets around the young star PDS 70 by Haffert, S. Y, Bohn, A. J, de Boer, J, Snellen, I. A. G, Brinchmann, J, Girard, J. H, Keller, C. U, Bacon, R

“…Nature Astronomy 2019 Newly forming proto-planets are expected to create cavities and substructures in young, gas-rich proto-planetary disks, but they are…”
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Discovery of a directly imaged disk in scattered light around the Sco-Cen member Wray 15-788 by Bohn, A. J, Kenworthy, M. A, Ginski, C, Benisty, M, de Boer, J, Keller, C. U, Mamajek, E. E, Meshkat, T, Muro-Arena, G. A, Pecaut, M. J, Snik, F, Wolff, S. G, Reggiani, M

“…A&A 624, A87 (2019) As part of our on-going survey we have carried out high-contrast imaging with VLT/SPHERE/IRDIS to obtain polarized and total intensity…”
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The Young Suns Exoplanet Survey: Detection of a wide orbit planetary mass companion to a solar-type Sco-Cen member by Bohn, A. J, Kenworthy, M. A, Ginski, C, Manara, C. F, Pecaut, M. J, de Boer, J, Keller, C. U, Mamajek, E. E, Meshkat, T, Reggiani, M, Todorov, K. O, Snik, F

“…The Young Suns Exoplanet Survey (YSES) consists of a homogeneous sample of 70 young, solar-mass stars located in the Lower Centaurus-Crux subgroup of the…”
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The vector-apodizing phase plate coronagraph: design, current performance, and future development by Doelman, D. S, Snik, F, Por, E. H, Bos, S. P, Otten, G. P. P. L, Kenworthy, M, Haffert, S. Y, Wilby, M, Bohn, A. J, Sutlieff, B. J, Miller, K, Ouellet, M, de Boer, J, Keller, C. U, Escuti, M. J, Shi, S, Warriner, N. Z, Hornburg, K. J, Birkby, J. L, Males, J, Morzinski, K. M, Close, L. M, Codona, J, Long, J, Schatz, L, Lumbres, J, Rodack, A, Van Gorkom, K, Hedglen, A, Guyon, O, Lozi, J, Groff, T, Chilcote, J, Jovanovic, N, Thibault, S, de Jonge, C, Allain, G, Vallée, C, Patel, D, Côté, O, Marois, C, Hinz, P, Stone, J, Skemer, A, Briesemeister, Z, Boehle, A, Glauser, A. M, Taylor, W, Baudoz, P, Huby, E, Absil, O, Carlomagno, B, Delacroix, C

“…Over the last decade, the vector-apodizing phase plate (vAPP) coronagraph has been developed from concept to on-sky application in many high-contrast imaging…”
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Spirals inside the millimeter cavity of transition disk SR 21 by Muro-Arena, G. A, Ginski, C, Dominik, C, Benisty, M, Pinilla, P, Bohn, A. J, Moldenhauer, T, Kley, W, Harsono, D, Henning, T, van Holstein, R. G, Janson, M, Keppler, M, Ménard, F, Pérez, L. M, Stolker, T, Tazzari, M, Villenave, M, Zurlo, A, Petit, C, Rigal, F, Möller-Nilsson, O, Llored, M, Moulin, T, Rabou, P

“…Hydrodynamical simulations of planet-disk interactions suggest that planets may be responsible for a number of the sub-structures frequently observed in disks…”
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The SPHERE infrared survey for exoplanets (SHINE). III. The demographics of young giant exoplanets below 300 au with SPHERE by Vigan, A, Fontanive, C, Biller, B, Bonavita, M, Feldt, M, Desidera, S, Marleau, G. -D, Emsenhuber, A, Galicher, R, Rice, K, Forgan, D, Mordasini, C, Gratton, R, Coroller, H. Le, Maire, A. -L, Cantalloube, F, Chauvin, G, Cheetham, A, Hagelberg, J, Langlois, M, Bonnefoy, M, Beuzit, J. -L, D'Orazi, V, Delorme, P, Dominik, C, Henning, Th, Janson, M, Lazzoni, C, Ligi, R, Menard, F, Mesa, D, Messina, S, Moutou, C, Müller, A, Schmid, H. M, Sissa, E, Turatto, M, Udry, S, Zurlo, A, Abe, L, Antichi, J, Asensio-Torres, R, Baruffolo, A, Baudoz, P, Baudrand, J, Bazzon, A, Blanchard, P, Bohn, A. J, Sevilla, S. Brown, Carbillet, M, Cascone, E, Charton, J, Claudi, R, Costille, A, De Caprio, V, Delboulbé, A, Dohlen, K, Engler, N, Fantinel, D, Feautrier, P, Fusco, T, Gigan, P, Girard, J. H, Giro, E, Gisler, D, Gluck, L, Gry, C, Hubin, N, Hugot, E, Jaquet, M, Kasper, M, Llored, M, Madec, F, Magnard, Y, Martinez, P, Maurel, D, Möller-Nilsson, O, Moulin, T, Origné, A, Pavlov, A, Perret, D, Petit, C, Pragt, J, Puget, P, Rabou, P, Ramos, J, Rickman, E. L, Rigal, F, Rochat, S, Roelfsema, R, Rousset, G, Roux, A, Salasnich, B, Sevin, A, Soenke, C, Stadler, E, Suarez, M, Wahhaj, Z, Weber, L, Wildi, F

“…A&A 651, A72 (2021) The SHINE project is a 500-star survey performed with SPHERE on the VLT for the purpose of directly detecting new substellar companions and…”
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Inhibition of glycoprotein oligosaccharide processing in vitro and in influenza-virus-infected cells by alpha-D-mannopyranosylmethyl-p-nitrophenyltriazene by McDowell, W, Tlusty, A, Rott, R, BeMiller, J N, Bohn, J A, Meyers, R W, Schwarz, R T

“…The effects of alpha-D-mannopyranosylmethyl-p-nitrophenyltriazene (MMNT) on mannosidases involved in asparagine-linked oligosaccharide processing were…”
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Rail gun experimental results due to varying bore and arc materials, and varying the number of barrel turns by Shrader, J., Bohn, A., Thompson, J.

“…We have built rail guns in a range of square bore Configurations (5, 8, 16 and 25 mm) and tested them with one, two and three turn barrels. We have achieved 4…”
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SPHERE / ZIMPOL observations of the symbiotic system R Aqr. I. Imaging of the stellar binary and the innermost jet clouds by Schmid, H. M, Bazzon, A, Milli, J, Roelfsema, R, Engler, N, Mouillet, D, Lagadec, E, Sissa, E, Sauvage, J. -F, Ginski, C, Baruffolo, A, Beuzit, J. L, Boccaletti, A, Bohn, A. J, Claudi, R, Costille, A, Desidera, S, Dohlen, K, Dominik, C, Feldt, M, Fusco, T, Gisler, D, Girard, J. H, Gratton, R, Henning, T, Hubin, N, Joos, F, Kasper, M, Langlois, M, Pavlov, A, Pragt, J, Puget, P, Quanz, S. P, Salasnich, B, Siebenmorgen, R, Stute, M, Suarez, M, Szulagyi, J, Thalmann, C, Turatto, M, Udry, S, Vigan, A, Wildi, F

“…A&A 602, A53 (2017) R Aqr is a symbiotic binary system consisting of a mira variable, a hot companion with a spectacular jet outflow, and an extended emission…”
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Computational design of trimeric influenza-neutralizing proteins targeting the hemagglutinin receptor binding site by Strauch, Eva-Maria, Bernard, Steffen M, La, David, Bohn, Alan J, Lee, Peter S, Anderson, Caitlin E, Nieusma, Travis, Holstein, Carly A, Garcia, Natalie K, Hooper, Kathryn A, Ravichandran, Rashmi, Nelson, Jorgen W, Sheffler, William, Bloom, Jesse D, Lee, Kelly K, Ward, Andrew B, Yager, Paul, Fuller, Deborah H, Wilson, Ian A, Baker, David

“…A method to target trimeric membrane proteins by designing geometrically matched trimeric protein binders is demonstrated for the influenza-virus glycoprotein…”
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