Analysis of the diffuse ionized gas database: DIGEDA (2009)
Flores-Fajardo, N., Morisset, C., Binette, L.
Studies of the Diffuse Ionized Gas (DIG) have progressed without providing so far any strict criterion to distinguish DIGs from HII regions. In this work, we compile the emission line measurements of...
Humphrey, A., Iwamuro, F., Villar-Martin, M., Binette, L., Sung, E. C.
In this letter, we investigate the nature of the dramatic `super-bubble' emission structures associated with the z=2.44 radio galaxy MRC 0406-244, using rest-frame optical spectroscopy and an...
Photoionized mixing layer models of the diffuse ionized gas (2009)
Binette, L., Flores-Fajardo, N., Raga, A. C., Drissen, L., Morisset, C.
It is generally believed that O stars, confined near the galactic midplane, are somehow able to photoionize a significant fraction of what is termed the "diffuse ionized gas" (DIG) of spiral...
Spatially extended absorption around the z=2.63 radio galaxy MRC 2025-218: outflow or infall? (2008)
Humphrey, A., Villar-Martin, M., Sanchez, S. F., Alighieri, S. Di Serego, De Breuck, C., Binette, L., ...
We present an investigation into the absorber in front of the z=2.63 radio galaxy MRC 2025-218, using integral field spectroscopy obtained at the Very Large Telescope, and long slit spectroscopy...
On the nature of Seyfert galaxies with high [OIII]5007 blueshifts (2008)
Komossa, S., Xu, D., Zhou, H., Storchi-Bergmann, T., Binette, L.
We have studied the properties of Seyfert galaxies with high [OIII]5007 blueshifts (`blue outliers'), originally identified because of their strong deviation from the M_BH - sigma relation of normal,...
On the nature of Seyfert galaxies with high [O III] λ5007 blueshifts (2008)
Komossa, S., Xu, D., Zhou, H., Storchi-Bergmann, T., Binette, L.
Emission-line activity in type 2 quasars from the sloan digital sky survey (2008)
Villar-Martín, M., Humphrey, A., Martínez-Sansigre, A., Pérez-Torres, M., Binette, L., Zhang, X. G.
Emission-line activity in type 2 quasars from the Sloan Digital Sky Survey (2008)
Villar-Martín, M., Humphrey, A., Martínez-Sansigre, A., Pérez-Torres, M., Binette, L., Zhang, X. G.
We have compared the optical emission-line ratios of type 2 quasars from Zakamska et al. with standard active galactic nucleus (AGN) photoionization model predictions, type 2 Seyfert galaxies, HII...
The Warm Absorber of the Seyfert Galaxy NGC 5548 (2008)
F. Nicastro, L. Binette, M. Andrade, M. Elvis, N. Brickhouse, Y. Krongold
Revista Mexicana de Astronoma y Astrofsica, 39, 55--67 (2003) (2007)
Relation Between Source, L. Binette, P. Ferruit, W. Steffen, A. C. Raga
The magnitude of the temperature fluctuations (t ) required to explain the observed inconsistencies between metallicities inferred from recombination lines and from forbidden lines cannot be attained...
RevMexAA (Serie de Conferencias), 10, 30--33 (2001) (2007)
Photoionization Dusty Models, F. Becerra-dávila, L. Binette, S. Casassus
Using photoionization calculations with dust, we model the high excitation infrared lines of NGC 6302. This object is a high excitation bipolar planetary nebula of Peimbert type I. We find that...
RevMexAA (Serie de Conferencias), 12, 132--133 (2002) (2007)
William Henney, José Franco, Marco Martos, Miriam Peña, S. Casassus, ...
Echelle spectroscopy of [Si VI] 1.96 m, [Mg VIII] 3.03 m, and [Ar VI] 4.53 m, using UKIRT+CGS4, shows the line profiles in PN NGC 6302 are singly peaked and unresolved even at R 20 000, with line...
P. F. Roche, M. J. Barlow, L. Binette
Espectroscopa echelle de [Si VI] 1.96 m, [Mg VIII] 3.03 m, y [Ar VI] 4.53 m, usando el telescopio UKIRT+CGS4, muestra que los perles de las lneas en NGC 6302 son sencillos y no estan resueltos aun...
TEMPERATURE AND DENSITY GRADIENTS IN THE ORION NEBULA (2007)
Para modelizar la estructura de ionizacion de Orion, usamos una estraticacion abrupta de la densidad, descrita por una ley de potencia (n / x 2) que es funcion de la distancia x hacia el frente de...
Revmexaa Serie De, L. Binette, Y. D. Mayya
To model the ionization structure of the Orion nebula, we adopt a steep density stratification, increasing as a power-law (n x -2 ) function of distance x from the ionization front. The line-ratio...
RevMexAA (Serie de Conferencias), 10, 30-33 (2001) (2007)
Photoionization Dusty Models, L. Binette, S. Casassus
Using photoionization calculations with dust, we model the high excitation infrared lines of NGC 6302. This object is a high excitation bipolar planetary nebula of Peimbert type I. We nd that...
Humphrey, A., Villar-Martin, M., Vernet, J., Fosbury, R., Alighieri, S. Di Serego, Binette, L.
We present long-slit NIR spectra, obtained using the ISAAC instrument at the Very Large Telescope, for nine radio galaxies at z~2.5. One-dimensional spectra have been extracted and cross calibrated...
Humphrey, A., Iwamuro, F., Villar-Martin, M., Binette, L., Fosbury, R., Alighieri, S. Di Serego
We present an investigation into the spatial variation of the rest-frame UV and optical line and continuum emission along the radio axis of the z=2.6 radio galaxy 0828+193, using long-slit spectra...
The Nature of the Far-UV Break in the Energy Distribution of Quasars (2007)
Binette, L., Haro-Corzo, S., Krongold, Y., Andersen, A. C.
A prominent continuum steepening is observed in quasar energy distributions near 1100A. We review possible interpretations for the physical origin of this so-called far-UV break.
Quasar 3C298: a test-case for meteoritic nanodiamond 3.5 microns emission (2007)
De Diego, J. A., Binette, L., Ogle, P., Andersen, A. C., Corzo, S. Haro, Wold, M.
We calculate the dust emission expected at 3.43 and 3.53 microns if meteoritic (i.e. hydrogenated) nanodiamonds are responsible for most of the far-UV break observed in quasars. We integrate the UV...
Large scale absorbers in the environment of high-z radio-galaxies (2007)
A. Humphrey, E. Benítez, L. Binette, M. Villar Martín, S. Haro Corzo
We discuss a number of interesting questions that arise from studies of extended absorbers observed in high redshift radio-galaxies. We propose to carry out 2-D spectroscopy of more objects using...
Ly-alpha excess in high redshift radio galaxies: a signature of star formation (2006)
Villar-Martin, M., Humphrey, A., De Breuck, C., Fosbury, R., Binette, L., Vernet, J.
About 54% of radio galaxies at z>3 and 8% of radio galaxies at 23 than at z
Giant Lyman-alpha nebulae around z>2 radio galaxies: evidence for infall (2006)
Humphrey, A., Villar-Martin., M., Fosbury, R., Binette, L., Vernet, J., De Breuck, C., ...
We present an investigation into the possible relationship between side-to-side asymmetries of powerful radio galaxies at high redshift, with the goal of understanding the geometry, orientation and...
The far-UV break in quasar energy distributions: dust? (2006)
Binette, L., Krongold, Y., Haro-Corzo, S., Andersen, A.
A prominent continuum steepening is observed in quasar energy distributions near 1100A. We review possible interpretations for the origin of the so-called far-UV break, putting emphasis on those that...
Temperature and Density Gradients in the Orion Nebula (2006)
Temperature and Density Gradients in the Orion Nebula
Optical-ir echelle spectroscopy of ngc 6302 (2006)
S. Casassus, L. Binette, M. J. Barlow, P. F. Roche
Optical-ir echelle spectroscopy of ngc 6302
Photoionization dusty models of the planetary nebula NGC 6302 (2006)
S. Casassus, L. Binette, F. Becerra Dávila
Photoionization dusty models of the planetary nebula NGC 6302
Energy implications of temperature fluctuations (2006)
V. Luridiana, W. J. Henney, L. Binette
Energy implications of temperature fluctuations
Binette, L., Wilman, R. J., Villar-Martin, M., Fosbury, R. A. E., Jarvis, M. J., Rottgering, H. J. A.
We present photoionization calculations for the spatially-extended absorbers observed towards the extended emission line spectrum of two high-redshift radio galaxies: 0943-242 (z=2.922) and 0200+015...
Shock excitation of the knots of Hen 3-1475 (2006)
Riera, A., Binette, L., Raga, A. C.
We present new optical STIS HST spectroscopic observations of the jets of the proto-planetary nebula Hen 3-1475. The excitation conditions of the knots of Hen 3-1475 are derived from the observed...
Nanodiamond dust and the energy distribution of quasars (2005)
Binette, L., Andersen, A. C., Mutschke, H., Haro-Corzo, S.
The spectral energy distribution of quasars shows a sharp steepening of the continuum shortward of ~ 1100 A. The steepening could be a result of dust absorption. We present a dust extinction model...
The WSO, a world-class observatory for the ultraviolet (2005)
Barstow, M. A., Binette, L., Brosch, N., Cheng, F-Z., Dennefeld, M., ...
The World Space Observatory is an unconventional space project proceeding via distributed studies. The present design, verified for feasibilty, consists of a 1.7-meter telescope operating at the...
Nanodiamond dust and the far-ultraviolet quasar break (2005)
Binette, L., C., G. Magris, Krongold, Y., Morisset, C., Haro-Corzo, S., De Diego, J. A., ...
We explore the possibility that the steepening observed shortward of 1000A in the energy distribution of quasars may result from absorption by dust, being either intrinsic to the quasar environment...
HI in the proto-cluster environment at z>2: absorbing haloes and the Lyman alpha forest (2004)
Wilman, R. J., Jarvis, M. J., Rottgering, H. J. A., Binette, L.
We present VLT-UVES echelle spectra of the Lyman alpha emission and absorption in five radio galaxies at redshifts z=2.55-4.1. Together with data from our pilot study, we have a sample of 7 such...
A variable-velocity, precessing jet model for HH 32 (2004)
Raga, A. C., Riera, A., Masciadri, E., Beck, T., Böhm, K. H., Binette, L.
HH 32 has a bright, strongly redshifted lobe with a system of scattered condensations. We propose that these condensations correspond to internal working surfaces in a variable ejection velocity,...
ADEMIS: A Library of Evolutionary Models for Emission-Line Galaxies: I- Dustfree Models (2003)
C., G. Magris, Binette, L., A., G. Bruzual
We present an extensive set of stellar population synthesis models, which self-consistently include the (optical--far-UV) continuum emission from stars as well as the resulting emission-line spectrum...
Relation Between Source And Temperature Fluctuations In Photoionized Nebulae (2003)
L. Binette, P. Ferruit, W. Steffen, A. C. Raga
The magnitude of the temperature uctuations (t ) required to explain the observed inconsistencies between metallicities inferred from recombination lines and from forbidden lines cannot be attained...
Density gradients and internal dust in the Orion nebula (2002)
Binette, L., Gonzalez-Gomez, D., Mayya, Y. D.
The ionization structure of the Orion nebula can be described as a skin-like ionization structure on the surface of a dense cloud. We propose that a steep density stratification, increasing as a...
The WSO, a world-class observatory for the ultraviolet (2002)
Barstow, M. A., Binette, L., Brosch, N., Cheng, F-Z., Dennefeld, M., ...
The World Space Observatory is an unconventional space project proceeding via distributed studies. The present design, verified for feasibilty, consists of a 1.7-meter telescope operating at the...
Probing the absorbing haloes around two high-redshift radio galaxies with VLT-UVES (2002)
Jarvis, M. J., Wilman, R. J., Rottgering, H. J. A., Binette, L.
We present VLT-UVES echelle spectroscopy of the HI and CIV absorption in the spatially-extended Lyman-alpha emission around two high-redshift radio galaxies 0200+015 (z=2.23) and 0943-242 (z=2.92)....
The spectral index of the ionizing continuum of quasars (2002)
Binette, L., Rodriguez-Martinez, M., Ballinas, I.
The ionizing spectral energy distribution of quasars exhibits a steepening of the distribution short-ward of 1200 A. The change of the power-law index from approximately -1 to -2 so far has been...
Are the Narrow Line Regions in Active Galaxies Dusty and Radiation Pressure Dominated? (2002)
Dopita, M. A., Groves, B. A., Sutherland, R. S., Binette, L., Cecil, G.
The remarkable similarity between emission spectra of narrow line regions (NLR) in Seyfert Galaxies has long presented a mystery. In photoionization models, this similarity implies that the...
The WSO, a world-class observatory for the ultraviolet (2002)
Barstow, M. A., Binette, L., Brosch, N., Cheng, F-Z., Dennefeld, M., ...
The World Space Observatory is an unconventional space project proceeding via distributed studies. The present design, verified for feasibilty, consists of a 1.7-meter telescope operating at the...
The WSO, a world-class observatory for the ultraviolet (2002)
Barstow, M. A., Binette, L., Brosch, N., Cheng, F-Z., Dennefeld, M., ...
The World Space Observatory is an unconventional space project proceeding via distributed studies. The present design, verified for feasibilty, consists of a 1.7-meter telescope operating at the...
Density Gradients And Internal Dust In The Orion Nebula (2002)
The ionization structure of the Orion nebula can be described as a thin ionized skin on the surface of a dense cloud. We propose that a steep density strati cation, described by a power law (n / x ,...
Density Gradients And Internal Dust In The Orion Nebula (2002)
The ionization structure of the Orion nebula can be described as a thin ionized skin on the surface of a dense cloud. We propose that a steep density stratification, described by a power law (n x -2...
Can stellar winds account for temperature fluctuations in H II regions? The case of NGC 2363 (2001)
Luridiana, V., Cervino, M., Binette, L.
We compare the rate of kinetic energy injected by stellar winds into the extragalactic H II region NGC 2363 to the luminosity needed to feed the observed temperature fluctuations. The kinetic...
Shocks and dust survival in nearby active galaxies: implications for the alignment effect (2001)
Villar-Martin, M., De Young, D., Alonso-Herrero, A., Allen, M., Binette, L.
One of the most popular explanations for the so-called alignment effect in high redshift (z>0.7) radio galaxies is the scattering by dust of the hidden quasar light. As shown by De Young (1998) a...
Photoionization dusty models of the planetary nebula NGC 6302 (2001)
Becerra Dávila, F., Binette , L., Casassus , S.
Using photoionization calculations with dust, we model the high excitation infrared lines of NGC 6302. This object is a high excitation bipolar planetary nebula of Peimbert type I. We nd that...
The Narrow Line Region of Narrow-Line Seyfert 1 Galaxies (2000)
Rodriguez-Ardila, A., Binette, L., Pastoriza, M. G., Donzelli, C. J.
This work studies the optical emission line properties and physical conditions of the narrow line region (NLR) of seven narrow-line Seyfert 1 galaxies (NLS1). Our results show that the flux carried...
A vestige low metallicity gas shell surrounding the radio galaxy 0943-242 at z=2.92 (2000)
Binette, L., Kurk, J. D., Villar-Martin, M., Rottgering, H. J. A.
Observations are presented showing the doublet CIV 1550 absorption lines superimposed on the CIV emission in the radio galaxy 0943-242. Within the errors, the redshift of the absorption system that...
Energy implications of temperature fluctuations in photoionized plasma (2000)
We quantify the energy radiated through all the collisionally excited lines in a photoionized nebula which is permeated by temperature fluctuations. We assume that these correspond to hot spots which...
A vestige low metallicity gas shell surrounding the radio galaxy 0943-242 at z=2.92 (2000)
Binette, L., Kurk, J.D., Villar-Martín, M., Röttgering, H.J.A.
A vestige low metallicity gas shell surrounding the radio galaxy 0943-242 at z=2.92 (2000)
Binette, L., Kurk, J.D., Villar-Martín, M., Röttgering, H.J.A.
UV rest frame spectroscopy of four high redshift (z>2) active galaxies (1999)
Villar-Martin, M., Fosbury, R. A. E., Binette, L., Tadhunter, C. N., Rocca-Volmerange, B.
We present UV spectra of a small sample of high redshift active galaxies: the hyperluminous, gravitationally lensed system SMM J02399-0136 (z=2.8) and three powerful radio galaxies (z~2.5). Extended...
The nature of the extreme kinematics in the extended gas of high redshift radio galaxies (1999)
Villar-Martin, M., Binette, L., Fosbury, R. A. E.
We present UV rest frame spectra of 3 powerful narrow line radio galaxies and the hyperluminous type 2 active galaxy SMM02399-0136, all at high redshift (z>2). We find high velocities (FWHM>1000,...
Panel Discussion: Star Formation in Early-Type Galaxies. (1999)
Knapp, G.R., Binette, L., Bower, R., Brinks, E., Goudfrooij, P., Hau, G., ...
Evidence of Fermi acceleration of Lyman alpha in the Radio Galaxy 1243+036 (1998)
Binette, L., Joguet, B., Wang, J. C. L.
The high redshift radiogalaxy 1243+036 (z=3.6) presents an asymmetric Lyman alpha profile of FWHM 1550 km/s as measured by van Ojik et al. We propose that the blue asymmetry in the Lyman alpha...
Radiative Acceleration of Coronal Gas in Seyfert Nuclei (1998)
The line ratios from coronal gas in Seyferts can be successfully fitted with photoionized clouds of high densities and low volume filling factor. The ionization parameter implied is sufficiently high...
The Temperature of Extended Gas in Active Galaxies -- Evidence for Matter-Bounded Clouds (1997)
Wilson, A. S., Binette, L., Storchi-Bergmann, T.
We report measurements of the electron temperature at about a dozen locations in the extended emission-line regions of five active (Seyfert and radio) galaxies. Temperatures (T_{[OIII]} and...
Ca depletion and the presence of dust in large scale nebulosities in radiogalaxies (II) (1996)
Villar-Martin, M., Binette, L.
We investigate here the origin of the gas observed in extended emission line regions surrounding AGNs. We use the technique of calcium depletion as a test to prove or disprove the existence of dust...
The effects of resonance scattering and dust on the UV line spectrum of radio galaxies (1996)
Villar-Martin, M., Binette, L., Fosbury, R. A. E.
In the powerful, high redshift radio galaxies, it is believed that the dominant source of ionization for the interstellar gas is the hard radiation field associated with the active nucleus. The...
Ca depletion and the presence of dust in large scale nebulosities in radiogalaxies (I) (1995)
Villar-Martin, M., Binette, L.
We show that the study of the Calcium depletion is a valid an highly sensitive method for investigating the chemical and physical history of the very extended ionized nebulae seen around radio...