Search Results - "Gach J. L."

GHASP: an Hα kinematic survey of spiral and irregular galaxies – VI. New Hα data cubes for 108 galaxies by Epinat, B., Amram, P., Marcelin, M., Balkowski, C., Daigle, O., Hernandez, O., Chemin, L., Carignan, C., Gach, J.-L., Balard, P.

“…We present the Fabry–Perot observations obtained for a new set of 108 galaxies in the frame of the Gassendi Hα survey of SPirals (GHASP). The GHASP survey…”
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GHαFaS: Galaxy Hα Fabry-Perot System for the William Herschel Telescope by Hernandez, O., Fathi, K., Carignan, C., Beckman, J., Gach, J.-L., Balard, P., Amram, P., Boulesteix, J., Corradi, R. L. M., de Denus-Baillargeon, M-M., Epinat, B., Relaño, M., Thibault, S., Vallée, P.

“…GHαFaS, a new Fabry-Perot system, is now available at the William Herschel Telescope (WHT). It was mounted, for the first time, at the Nasmyth focus of the…”
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GHASP: an Hα kinematic survey of spiral and irregular galaxies – IV. 44 new velocity fields. Extension, shape and asymmetry of Hα rotation curves by Garrido, O., Marcelin, M., Amram, P., Balkowski, C., Gach, J. L., Boulesteix, J.

“…We present Fabry–Perot observations obtained in the frame of the GHASP survey (Gassendi HAlpha survey of SPirals). We have derived the Hα map, the velocity…”
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Warm gas kinematics in shell galaxies by Rampazzo, R., Plana, H., Longhetti, M., Amram, P., Boulesteix, J., Gach, J.-L., Hernandez, O.

“…Shells are interpreted as debris from interaction/acquisition episodes that occur in a galaxy. We present a study of the warm (T≈ 104 K) gas component in a…”
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Fabry‐Pérot Observations Using a New GaAs Photon‐counting System by Gach, J.‐L., Hernandez, O., Boulesteix, J., Amram, P., Boissin, O., Carignan, C., Garrido, O., Marcelin, M., Östlin, G., Plana, H., Rampazzo, R.

“…A third‐generation image photon‐counting system (IPCS) camera is presented, based on a GaAs photocathode that can achieve a quantum efficiency of up to 23%,…”
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The Compact Group of Galaxies HCG 31 in an Early Phase of Merging by Amram, P, de Oliveira, C. Mendes, Plana, H, Balkowski, C, Hernandez, O, Carignan, C, Cypriano, E. S, Sodré, Jr., L, Gach, J. L, Boulesteix, J

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A New Digital CCD Readout Technique for Ultra–Low‐Noise CCDs by Gach, J.‐L., Darson, D., Guillaume, C., Goillandeau, M., Cavadore, C., Balard, P., Boissin, O., Boulesteix, J.

“…We present a completely new technique to read out the CCD matrix that can achieve much lower noise than classical techniques used since the 1970s. This…”
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Spiral Inflow Feeding the Nuclear Starburst in M83, Observed in Ha Emission with the GHaFaS Fabry-Perot Interferometer by Fathi, K, Beckman, JE, Lundgren, A A, Carignan, C, Hernandez, O, Amram, P, Balard, P, Boulesteix, J, Gach, J-L, Knapen, J H, Relano, M

“…We present observations of the nearby barred starburst galaxy M83 (NGC 5236), with the new Fabry-Perot interferometer GHaFaS mounted on the 4.2 m William…”
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The Integral Field Spectrograph for the 2.6 m Telescope of the Byurakan Observatory by Movsessian T., Gach J. L., Boulesteix J., Zhamkotsian F.

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GHASP: A 3-D survey of spiral and irregular galaxies at H alpha by Amram, P, Adami, C, Balkowski, C, Blais-Ouellette, S, Boselli, A, Boulesteix, J, Carignan, C, Cayatte, V, Chemin, L, Gach, J L, Garrido, O, Hernandez, O, Marcelin, M, Michel-Dansac, L

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Spectral Camera for 2.6 m Telescope of the Byurakan Observatory by Movsessian T., Boulesteix J., Gach J. L., Zaratsian S., Balayan S., Zakarian M.

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The adaptive optics modes for HARMONI: from Classical to Laser Assisted Tomographic AO by Neichel, B, Fusco, T, Sauvage, J. -F, Correia, C, Dohlen, K, El-Hadi, K, Blanco, L, Schwartz, N, Clarke, F, Thatte, N, Tecza, M, Paufique, J, Vernet, J, Louarn, M. Le, Hammersley, P, Gach, J. -L, Pascal, S, Vola, P, Petit, C, Conan, J. -M, Carlotti, A, Verinaud, C, Schnetler, H, Bryson, I, Morris, T, Myers, R, Hugot, E, Gallie, A

“…HARMONI is a visible and NIR integral field spectrograph, providing the E-ELT's core spectroscopic capability at first light. HARMONI will work at the…”
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On-sky demonstration of matched filters for wavefront measurements using ELT-scale elongated laser guide stars by Basden, A. G., Bardou, L., Calia, D. Bonaccini, Buey, T., Centrone, M., Chemla, F., Gach, J. L., Gendron, E., Gratadour, D., Guidolin, I., Jenkins, D. R., Marchetti, E., Morris, T. J., Myers, R. M., Osborn, J., Reeves, A. P., Reyes, M., Rousset, G., Stangalini, M., Townson, M. J., Vidal, F.

“…The performance of adaptive optics systems is partially dependent on the algorithms used within the real‐time control system to compute wavefront slope…”
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On-sky demonstration of matched filters for wavefront measurements using ELT-scale elongated laser guide stars by Basden, A. G, Bardou, L, Calia, D. Bonaccini, Buey, T, Centrone, M, Chemla, F, Gach, J. L, Gendron, E, Gratadour, D, Guidolin, I, Jenkins, D. R, Marchetti, E, Morris, T. J, Myers, R. M, Osborn, J, Reeves, A. P, Reyes, M, Rousset, G, Lombardi, G, Townson, M. J, Vidal, F

“…The performance of adaptive optics systems is partially dependant on the algorithms used within the real-time control system to compute wavefront slope…”
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Experience with wavefront sensor and deformable mirror interfaces for wide-field adaptive optics systems by Basden, A. G, Atkinson, D, Bharmal, N. A, Bitenc, U, Brangier, M, Buey, T, Butterley, T, Cano, D, Chemla, F, Clark, P, Cohen, M, Conan, J. -M, de Cos, F. J, Dickson, C, Dipper, N. A, Dunlop, C. N, Feautrier, P, Fusco, T, Gach, J. L, Gendron, E, Geng, D, Goodsell, S. J, Gratadour, D, Greenaway, A. H, Guesalaga, A, Guzman, C. D, Henry, D, Holck, D, Hubert, Z, Huet, J. M, Kellerer, A, Kulcsar, C, Laporte, P, Roux, B. Le, Looker, N, Longmore, A. J, Marteaud, M, Martin, O, Meimon, S, Morel, C, Morris, T. J, Myers, R. M, Osborn, J, Perret, D, Petit, C, Raynaud, H, Reeves, A. P, Rousset, G, Lasheras, F. Sanchez, Rodriguez, M. Sanchez, Santos, J. D, Sevin, A, Sivo, G, Stadler, E, Stobie, B, Talbot, G, Todd, S, Vidal, F, Younger, E. J

“…Recent advances in adaptive optics (AO) have led to the implementation of wide field-of-view AO systems. A number of wide-field AO systems are also planned for…”
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GHASP : An Halpha kinematic survey of spiral and irregular galaxies - VI. New Halpha data cubes for 108 galaxies by Epinat, B, Amram, P, Marcelin, M, Balkowski, C, Daigle, O, Hernandez, O, Chemin, L, Carignan, C, Gach, J. -L, Balard, P

“…We present the Fabry-Perot observations obtained for a new set of 108 galaxies that completes the GHASP survey (Gassendi HAlpha survey of SPirals). The GHASP…”
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A kinematic study of the irregular dwarf galaxy NGC 4861 using HI and Halpha observations by van Eymeren, J, Marcelin, M, Koribalski, B. S, Dettmar, R. -J, Bomans, D. J, Gach, J. -L, Balard, P

“…Context. Outflows powered by the injection of kinetic energy from massive stars can strongly affect the chemical evolution of galaxies, in particular of dwarf…”
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A kinematic study of the irregular dwarf galaxy NGC 2366 using HI and Halpha observations by van Eymeren, J, Marcelin, M, Koribalski, B, Dettmar, R. -J, Bomans, D. J, Gach, J. -L, Balard, P

“…Abridged. Context. The metal content of dwarf galaxies and the metal enrichment of the intergalactic medium both suggest that mass loss from galaxies is a…”
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GHASP: an H[alpha] kinematic survey of spiral and irregular galaxies - VI. New H[alpha] data cubes for 108 galaxies by Epinat, B, Amram, P, Marcelin, M, Balkowski, C, Daigle, O, Hernandez, O, Chemin, L, Carignan, C, Gach, J-L, Balard, P

“…We present the Fabry-Perot observations obtained for a new set of 108 galaxies in the frame of the Gassendi H[alpha] survey of SPirals (GHASP). The GHASP…”
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GHASP : An Halpha kinematic survey of spiral and irregular galaxies - VI. New Halpha data cubes for 108 galaxies by Epinat, B., Amram, P., Marcelin, M., Balkowski, C., Daigle, O., Hernandez, O., Chemin, L., Carignan, C., Gach, J. -L., Balard, P.

“…We present the Fabry-Perot observations obtained for a new set of 108 galaxies that completes the GHASP survey (Gassendi HAlpha survey of SPirals). The GHASP…”
Get full text