Search Results - "Lazareff, B."

The ALMA Band-7 Cartridge by Mahieu, S., Maier, D., Lazareff, B., Navarrini, A., Celestin, G., Chalain, J., Geoffroy, D., Laslaz, F., Perrin, G.

“…The Atacama Large Millimeter/Sub-millimeter Array (ALMA) will be composed of at least 65 high-precision antennas. In this framework, IRAM is responsible for…”
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Detection of the CN Zeeman Effect in Molecular Clouds by Crutcher, Richard M, Troland, Thomas H, Lazareff, Bernard, Paubert, Gabriel, Kazès, Ilya

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Sunspot motion, flares and type III bursts in McMath 11482 by Zirin, H., Lazareff, B.

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CN Zeeman Observations of Molecular Cloud Cores by Crutcher, Richard M., Troland, Thomas H., Lazareff, Bernard, Kazes, Ilya

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A family portrait of disk inner rims around Herbig Ae/Be stars: Hunting for warps, rings, self shadowing, and misalignments in the inner astronomical units by Kluska, J, Berger, J. -P, Malbet, F, Lazareff, B, Benisty, M, Bouquin, J. -B. Le, Absil, O, Baron, F, Delboulbé, A, Duvert, G, Isella, A, Jocou, L, Juhasz, A, Kraus, S, Lachaume, R, Ménard, F, Millan-Gabet, R, Monnier, J. D, Moulin, T, Perraut, K, Pinte, C, Rochat, S, Soulez, F, Tallon, M, Thi, W. -F, Thiébaut, E, Traub, W, Zins, G

“…A&A 636, A116 (2020) The innermost astronomical unit in protoplanetary disks is a key region for stellar and planet formation, as exoplanet searches have shown…”
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The GRAVITY young stellar object survey. II. First spatially resolved observations of the CO bandhead emission in a high-mass YSO by GRAVITY Collaboration, Garatti, A. Caratti o, Fedriani, R, Lopez, R. Garcia, Koutoulaki, M, Perraut, K, Linz, H, Brandner, W, Garcia, P, Klarmann, L, Henning, T, Labadie, L, Sanchez-Bermudez, J, Lazareff, B, van Dishoeck, E. F, Caselli, P, de Zeeuw, P. T, Bik, A, Benisty, M, Dougados, C, Ray, T. P, Amorim, A, Berger, J. -P, Clénet, Y, Foresto, V. Coudé du, Duvert, G, Eckart, A, Eisenhauer, F, Gao, F, Gendron, E, Genzel, R, Gillessen, S, Gordo, P, Jocou, L, Horrobin, M, Kervella, P, Lacour, S, Bouquin, J. -B. Le, Léna, P, Grellmann, R, Ott, T, Paumard, T, Perrin, G, Rousset, G, Scheithauer, S, Shangguan, J, Stadler, J, Straub, O, Straubmeier, C, Sturm, E, Thi, W. F, Vincent, F. H, Widmann, F

“…A&A 635, L12 (2020) The inner regions of the discs of high-mass young stellar objects (HMYSOs) are still poorly known due to the small angular scales and the…”
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A disk asymmetry in motion around the B[e] star MWC158 by Kluska, J, Benisty, M, Soulez, F, Berger, J. -P, Bouquin, J. -B. Le, Malbet, F, Lazareff, B, Thiébaut, E

“…A&A 591, A82 (2016) MWC158 is a star with the B[e] phenomenon that shows strong spectrophotometric variability (in lines and in UV and visible continuum)…”
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Interferometric Evidence for Quantum Heated Particles in the Inner Region of Protoplanetary Disks around Herbig Stars by Klarmann, L, Benisty, M, Min, M, Dominik, C, Berger, J. -P, Waters, L. B. F. M, Kluska, J, Lazareff, B, Bouquin, J. -B. Le

“…A&A 599, A80 (2017) To understand the chemical composition of planets, it is important to know the chemical composition of the region where they form in…”
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The GRAVITY Young Stellar Object survey -- I. Probing the disks of Herbig Ae/Be stars in terrestrial orbits by Perraut, K, Labadie, L, Lazareff, B, Klarmann, L, Segura-Cox, D, Benisty, M, Bouvier, J, Brandner, W, Garatti, A. Caratti o, Caselli, P, Dougados, C, Garcia, P, Garcia-Lopez, R, Kendrew, S, Koutoulaki, M, Kervella, P, Lin, C. -C, Pineda, J, Sanchez-Bermudez, J, van Dishoeck, E, Abuter, R, Amorim, A, Berger, J. -P, Bonnet, H, Buron, A, Cantalloube, F, Clénet, Y, Foresto, V. Coudé du, Dexter, J, de Zeeuw, P. T, Duvert, G, Eckart, A, Eisenhauer, F, Eupen, F, Gao, F, Gendron, E, Genzel, R, Gillessen, S, Gordo, P, Grellmann, R, Haubois, X, Haussmann, F, Henning, T, Hippler, S, Horrobin, M, Hubert, Z, Jocou, L, Lacour, S, Bouquin, J. -B. Le, Léna, P, Mérand, A, Ott, T, Paumard, T, Perrin, G, Pfuhl, O, Rabien, S, Ray, T, Rau, C, Rousset, G, Scheithauer, S, Straub, O, Straubmeier, C, Sturm, E, Vincent, F, Waisberg, I, Wank, I, Widmann, F, Wieprecht, E, Wiest, M, Wiezorrek, E, Woillez, J, Yazici, S

“…The formation and the evolution of protoplanetary disks are important stages in the lifetime of stars. The processes of disk evolution and planet formation are…”
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Detection of orbital motions near the last stable circular orbit of the massive black hole SgrA by GRAVITY Collaboration, Abuter, R, Amorim, A, Bauböck, M, Berger, J. P, Bonnet, H, Brandner, W, Clénet, Y, Foresto, V. Coudé du, de Zeeuw, P. T, Deen, C, Dexter, J, Duvert, G, Eckart, A, Eisenhauer, F, Schreiber, N. M. Förster, Garcia, P, Gao, F, Gendron, E, Genzel, R, Gillessen, S, Guajardo, P, Habibi, M, Haubois, X, Henning, Th, Hippler, S, Horrobin, M, Huber, A, Jiménez-Rosales, A, Jocou, L, Kervella, P, Lacour, S, Lapeyrère, V, Lazareff, B, Bouquin, J. -B. Le, Léna, P, Lippa, M, Ott, T, Panduro, J, Paumard, T, Perraut, K, Perrin, G, Pfuhl, O, Plewa, P. M, Rabien, S, Rodríguez-Coira, G, Rousset, G, Sternberg, A, Straub, O, Straubmeier, C, Sturm, E, Tacconi, L. J, Vincent, F, von Fellenberg, S, Waisberg, I, Widmann, F, Wieprecht, E, Wiezorrek, E, Woillez, J, Yazici, S

“…We report the detection of continuous positional and polarization changes of the compact source SgrA* in high states ('flares') of its variable near- infrared…”
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GRAVITY chromatic imaging of Eta Car's core by GRAVITY Collaboration, Sanchez-Bermudez, J, Kervella, P, Müller, A, Perrin, G, Pott, J. -U, Schöller, M, Accardo, M, Anugu, N, Ávila, G, Benisty, M, Berger, J. P, Blind, N, Bonnet, H, Bourget, P, Brast, R, Buron, A, Cantalloube, F, Garatti, A. Caratti o, Cassaing, F, Chapron, F, Choquet, E, Clénet, Y, Collin, C, de Wit, W, de Zeeuw, T, Deen, C, Delplancke-Ströbele, F, Dembet, R, Derie, F, Dexter, J, Duvert, G, Eckart, A, Eisenhauer, F, Esselborn, M, Fédou, P, Gao, F, Gendron, E, Gillessen, S, Haubois, X, Haug, M, Haussmann, F, Hippler, S, Horrobin, M, Huber, A, Hummel, C. A, Jakob, G, Jochum, L, Kellner, S, Kendrew, S, Kern, L, Kiekebusch, M, Klein, R, Kolb, J, Kulas, M, Lacour, S, Lapeyrère, V, Lazareff, B, Bouquin, J. -B. Le, Lenzen, R, Mehrgan, L, Mellein, M, Mérand, A, Moreno-Ventas, J, Moulin, T, Müller, E, Oberti, S, Ott, T, Pallanca, L, Panduro, J, Pasquini, L, Paumard, T, Perraut, K, Petrucci, P. -O, Pflüger, A, Duc, T. P, Popovic, D, Rabien, S, Ramirez, A, Ramos, J, Rau, C, Riquelme, M, Rodríguez-Coira, G, Rosales, A, Rousset, G, Schuhler, N, Sturm, E, Suarez, M, Tristram, K. R. W, Vincent, F, Waisberg, I, Wank, I, Widmann, F, Wieprecht, E, Wiest, M, Wiezorrek, E, Woillez, J, Wolff, B, Ziegler, D, Zins, G

“…Eta Car is one of the most intriguing luminous blue variables in the Galaxy. Observations and models at different wavelengths suggest a central binary with a…”
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Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole by GRAVITY Collaboration, Abuter, R, Amorim, A, Anugu, N, Bauböck, M, Benisty, M, Berger, J. P, Blind, N, Bonnet, H, Brandner, W, Buron, A, Collin, C, Chapron, F, Clénet, Y, Foresto, V. Coudé du, de Zeeuw, P. T, Deen, C, Delplancke-Ströbele, F, Dembet, R, Dexter, J, Duvert, G, Eckart, A, Eisenhauer, F, Finger, G, Schreiber, N. M. Förster, Fédou, P, Garcia, P, Lopez, R. Garcia, Gao, F, Gendron, E, Genzel, R, Gillessen, S, Gordo, P, Habibi, M, Haubois, X, Haug, M, Haußmann, F, Henning, Th, Hippler, S, Horrobin, M, Hubert, Z, Hubin, N, Rosales, A. Jimenez, Jochum, L, Jocou, L, Kaufer, A, Kellner, S, Kendrew, S, Kervella, P, Kok, Y, Kulas, M, Lacour, S, Lapeyrère, V, Lazareff, B, Bouquin, J. -B. Le, Léna, P, Lippa, M, Lenzen, R, Mérand, A, Müller, E, Neumann, U, Ott, T, Palanca, L, Paumard, T, Pasquini, L, Perraut, K, Perrin, G, Pfuhl, O, Plewa, P. M, Rabien, S, Ramírez, A, Ramos, J, Rau, C, Rodríguez-Coira, G, Rohloff, R. -R, Rousset, G, Sanchez-Bermudez, J, Scheithauer, S, Schöller, M, Schuler, N, Spyromilio, J, Straub, O, Straubmeier, C, Sturm, E, Tacconi, L. J, Tristram, K. R. W, Vincent, F, von Fellenberg, S, Wank, I, Waisberg, I, Widmann, F, Wieprecht, E, Wiest, M, Wiezorrek, E, Woillez, J, Yazici, S, Ziegler, D, Zins, G

“…A&A 615, L15 (2018) The highly elliptical, 16-year-period orbit of the star S2 around the massive black hole candidate Sgr A* is a sensitive probe of the…”
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Structure of Herbig AeBe disks at the milliarcsecond scale A statistical survey in the H band using PIONIER-VLTI by Lazareff, B, Berger, J. -P, Kluska, J, Bouquin, J. -B. Le, Benisty, M, Malbet, F, Koen, C, Pinte, C, Thi, W. -F, Absil, O, Baron, F, Delboulbé, A, Duvert, G, Isella, A, Jocou, L, Juhasz, A, Kraus, S, Lachaume, R, Ménard, F, Millan-Gabet, R, Monnier, J. D, Moulin, T, Perraut, K, Rochat, S, Soulez, F, Tallon, M, Thiébaut, E, Traub, W, Zins, G

“…A&A 599, A85 (2017) Context. It is now generally accepted that the near-infrared excess of Herbig AeBe stars originates in the dust of a circumstellar disk…”
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Reaching micro-arcsecond astrometry with long baseline optical interferometry; application to the GRAVITY instrument by Lacour, S, Eisenhauer, F, Gillessen, S, Pfuhl, O, Woillez, J, Bonnet, H, Perrin, G, Lazareff, B, Rabien, S, Lapeyrere, V, Clenet, Y, Kervella, P, Kok, Y

“…A&A 567, A75 (2014) A basic principle of long baseline interferometry is that an optical path difference (OPD) directly translates into an astrometric…”
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Accretion-ejection morphology of the microquasar SS433 resolved at sub-au scale by GRAVITY Collaboration, Petrucci, P. -O, Waisberg, I, Bouquin, J. -B. Le, Dexter, J, Dubus, G, Perraut, K, Kervella, P, Abuter, R, Amorim, A, Anugu, N, Berger, J. P, Blind, N, Bonnet, H, Brandner, W, Buron, A, Choquet, É, Clénet, Y, de Wit, W, Deen, C, Eckart, A, Eisenhauer, F, Finger, G, Garcia, P, Lopez, R. Garcia, Gendron, E, Genzel, R, Gillessen, S, Gonte, F, Haubois, X, Haug, M, Haussmann, F, Henning, Th, Hippler, S, Horrobin, M, Hubert, Z, Jochum, L, Jocou, L, Kok, Y, Kolb, J, Kulas, M, Lacour, S, Lazareff, B, Lèna, P, Lippa, M, Mérand, A, Müller, E, Ott, T, Panduro, J, Paumard, T, Perrin, G, Pfuhl, O, Ramos, J, Rau, C, Rohloff, R. -R, Rousset, G, Sanchez-Bermudez, J, Scheithauer, S, Schöller, M, Straubmeier, C, Sturm, E, Vincent, F, Wank, I, Wieprecht, E, Wiest, M, Wiezorrek, E, Wittkowski, M, Woillez, J, Yazici, S, Zins, G

“…A&A 602, L11 (2017) We present the first optical observation at sub-milliarcsecond (mas) scale of the microquasar SS 433 obtained with the GRAVITY instrument…”
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The wind and the magnetospheric accretion onto the T Tauri star S Coronae Australis at sub-au resolution by Lopez, R. Garcia, Perraut, K, Garatti, A. Caratti o, Lazareff, B, Sanchez-Bermudez, J, Benisty, M, Dougados, C, Labadie, L, Brandner, W, Garcia, P. J. V, Henning, Th, Ray, T. P, Abuter, R, Amorim, A, Anugu, N, Berger, J. P, Bonnet, H, Buron, A, Caselli, P, Clénet, Y, Foresto, V. Coudé du, de Wit, W, Deen, C, Delplancke-Ströbele, F, Dexter, J, Eckart, A, Eisenhauer, F, Dabo, C. E. Garcia, Gendron, E, Genzel, R, Gillessen, S, Haubois, X, Haug, M, Haussmann, F, Hippler, S, Hubert, Z, Hummel, C. A, Horrobin, M, Jocou, L, Kellner, S, Kervella, P, Kulas, M, Kolb, J, Lacour, S, Bouquin, J. -B. Le, Léna, P, Lippa, M, Mérand, A, Müller, E, Ott, T, Panduro, J, Paumard, T, Perrin, G, Pfuhl, O, Ramirez, A, Rau, C, Rohloff, R. -R, Rousset, G, Scheithauer, S, Schöller, M, Straubmeier, C, Sturm, E, Thi, W. F, van Dishoeck, E, Vincent, F, Waisberg, I, Wank, I, Wieprecht, E, Wiest, M, Wiezorrek, E, Woillez, J, Yazici, S, Zins, G

“…A&A 608, A78 (2017) To investigate the inner regions of protoplanetary disks, we performed near-infrared interferometric observations of the classical TTauri…”
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First Light for GRAVITY: Phase Referencing Optical Interferometry for the Very Large Telescope Interferometer by GRAVITY Collaboration, Amorim, A, Ávila, G, Azouaoui, N, Benisty, M, Berger, J. P, Blind, N, Bourget, P, Brandner, W, Brast, R, Buron, A, Burtscher, L, Choquet, É, Clénet, Y, Collin, C, Foresto, V. Coudé du, de Wit, W, de Zeeuw, P. T, Deen, C, Delplancke-Ströbele, F, Dembet, R, Duvert, G, Ebert, M, Eckart, A, Esselborn, M, Fédou, P, Finger, G, Garcia, P, Lopez, R. Garcia, Gendron, E, Genzel, R, Gillessen, S, Gonte, F, Gordo, P, Grözinger, U, Guieu, S, Haguenauer, P, Hans, O, Haug, M, Haussmann, F, Henning, Th, Hippler, S, Huber, A, Hubert, Z, Hubin, N, Hummel, C. A, Janssen, A, Jocou, L, Kaufer, A, Kern, L, Kervella, P, Klein, R, Kok, Y, Kulas, M, Lacour, S, Lazareff, B, Bouquin, J. -B. Le, Lèna, P, Lévêque, S, Lippa, M, Magnard, Y, Mehrgan, L, Mellein, M, Moreno-Ventas, J, Moulin, T, Müller, E, Müller, F, Neumann, U, Ott, T, Pallanca, L, Panduro, J, Paumard, T, Percheron, I, Perraut, K, Pflüger, A, Pfuhl, O, Duc, T. Phan, Plewa, P. M, Rabien, S, Ramírez, A, Ramos, J, Rau, C, Rohloff, R. -R, Scheithauer, S, Schöller, M, Schuhler, N, Spyromilio, J, Straubmeier, C, Sturm, E, Suarez, M, Tristram, K. R. W, Ventura, N, Vincent, F, Wank, I, Wieprecht, E, Wittkowski, M, Woillez, J, Wolff, B, Yazici, S, Ziegler, D

“…A&A 602, A94 (2017) GRAVITY is a new instrument to coherently combine the light of the European Southern Observatory Very Large Telescope Interferometer to…”
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SPARCO : a semi-parametric approach for image reconstruction of chromatic objects by Kluska, J, Malbet, F, Berger, J. -P, Baron, F, Lazareff, B, Bouquin, J. -B. Le, Monnier, J. D, Soulez, F, Thiébaut, E

“…The emergence of optical interferometers with three and more telescopes allows image reconstruction of astronomical objects at the milliarcsecond scale…”
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Roche-lobe filling factor of mass-transferring red giants - the PIONIER view by Boffin, Henri M. J, Hillen, M, Berger, J. P, Jorissen, A, Blind, N, Bouquin, J. B. Le, Mikolajewska, J, Lazareff, B

“…Using the PIONIER visitor instrument that combines the light of the four Auxiliary Telescopes of ESO's Very Large Telescope Interferometer, we measure…”
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The close environment of high-mass X-ray binaries at high angular resolution I. VLTI/AMBER and VLTI/PIONIER near-infrared interferometric observations of Vela X-1 by Choquet, E, Kervella, P, Bouquin, J. -B. Le, Merand, A, Berger, J. -P, Haubois, X, Perrin, G, Petrucci, P. -O, Lazareff, B, Pott, J. -U

“…Recent improvements on the sensitivity and spectral resolution of X-ray observations have led to a better understanding of the properties of matter in the…”
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