Search Results - "Worseck, G."

Detection of high Lyman continuum leakage from four low-redshift compact star-forming galaxies by Izotov, Y. I., Schaerer, D., Thuan, T. X., Worseck, G., Guseva, N. G., Orlitová, I., Verhamme, A.

“…Following our first detection reported in Izotov et al., we present the detection of Lyman continuum (LyC) radiation of four other compact star-forming…”
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Eight per cent leakage of Lyman continuum photons from a compact, star-forming dwarf galaxy by Izotov, Y. I., Orlitová, I., Schaerer, D., Thuan, T. X., Verhamme, A., Guseva, N. G., Worseck, G.

“…Far-ultraviolet observations of the nearby low-mass star-forming galaxy J0925+1403 show that the galaxy is leaking ionizing radiation with an escape fraction…”
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The first ultraviolet quasar-stacked spectrum at z ≃ 2.4 from WFC3 by Lusso, E., Worseck, G., Hennawi, J. F., Prochaska, J. X., Vignali, C., Stern, J., O'Meara, J. M.

“…The ionizing continuum from active galactic nuclei is fundamental for interpreting their broad emission lines and understanding their impact on the surrounding…”
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Low-redshift Lyman continuum leaking galaxies with high [O iii]/[O ii] ratios by Izotov, Y I, Worseck, G, Schaerer, D, Guseva, N G, Thuan, T X, Fricke, Verhamme, A, Orlitová, I

“…ABSTRACT We present observations with the Cosmic Origins Spectrograph (COS) onboard the Hubble Space Telescope of five star-forming galaxies at redshifts $z$…”
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The far-ultraviolet continuum slope as a Lyman Continuum escape estimator at high redshift by Chisholm, J, Saldana-Lopez, A, Flury, S, Schaerer, D, Jaskot, A, Amorín, R, Atek, H, Finkelstein, S L, Fleming, B, Ferguson, H, Fernández, V, Giavalisco, M, Hayes, M, Heckman, T, Henry, A, Ji, Z, Marques-Chaves, R, Mauerhofer, V, McCandliss, S, Oey, M S, Östlin, G, Rutkowski, M, Scarlata, C, Thuan, T, Trebitsch, M, Wang, B, Worseck, G, Xu, X

“…ABSTRACT Most of the hydrogen in the intergalactic medium (IGM) was rapidly ionized at high redshifts. While observations have established that reionization…”
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Lyman continuum leakage from low-mass galaxies with M⋆ < 108 M by Izotov, Y I, Worseck, G, Schaerer, D, Guseva, N G, Chisholm, J, Thuan, T X, Fricke, K J, Verhamme, A

“…ABSTRACT We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space Telescope of nine low-mass star-forming galaxies at redshifts,…”
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J1154+2443: a low-redshift compact star-forming galaxy with a 46 per cent leakage of Lyman continuum photons by Izotov, Y I, Schaerer, D, Worseck, G, Guseva, N G, Thuan, T X, Verhamme, A, Orlitová, I, Fricke, K J

“…Abstract We report the detection of the Lyman continuum (LyC) radiation of the compact star-forming galaxy (SFG) J1154+2443 observed with the Cosmic Origins…”
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Diverse properties of Ly α emission in low-redshift compact star-forming galaxies with extremely high [O iii]/[O ii] ratios by Izotov, Y I, Schaerer, D, Worseck, G, Verhamme, A, Guseva, N G, Thuan, T X, Orlitová, I, Fricke, K J

“…ABSTRACT We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space Telescope of eight compact star-forming galaxies at redshifts z…”
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THE HE II PROXIMITY EFFECT AND THE LIFETIME OF QUASARS by Khrykin, I. S., Hennawi, J. F., McQuinn, M., Worseck, G.

“…ABSTRACT The lifetime of quasars is fundamental for understanding the growth of supermassive black holes, and is an important ingredient in models of the…”
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Lyman alpha and Lyman continuum emission of Mg  ii -selected star-forming galaxies by Izotov, Y I, Chisholm, J, Worseck, G, Guseva, N G, Schaerer, D, Prochaska, J X

“…ABSTRACT We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space Telescope of seven compact low-mass star-forming galaxies at…”
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Abundances of CNO elements in z ∼ 0.3–0.4 Lyman continuum leaking galaxies by Izotov, Y I, Schaerer, D, Worseck, G, Berg, D, Chisholm, J, Ravindranath, S, Thuan, T X

“…ABSTRACT We present observations with the Space Telescope Imaging Spectrograph onboard the Hubble Space Telescope (HST) of 11 Lyman continuum (LyC) leaking…”
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Ly α emission in low-redshift most metal-deficient compact star-forming galaxies by Izotov, Y I, Thuan, T X, Guseva, N G, Schaerer, D, Worseck, G, Verhamme, A

“…ABSTRACT We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space Telescope of nine most metal-deficient compact star-forming…”
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The evolution of neutral gas in damped Lyman a systems from the XQ-100 survey by Sanchez-Ramirez, R, Ellison, S L, Prochaska, J X, Berg, T A M, Lopez, S, D'Odorico, V, Becker, G D, Christensen, L, Cupani, G, Denney, K D, Paris, I, Worseck, G, Gorosabel, J

“…We present a sample of 38 intervening damped Lyman ... (DLA) systems identified towards 100 z > 3.5 quasars, observed during the XQ-100 survey. The XQ-100 DLA…”
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Nature and statistical properties of quasar associated absorption systems in the XQ-100 Legacy Survey by Perrotta, S, D'Odorico, V, Prochaska, J X, Cristiani, S, Cupani, G, Ellison, S, Lopez, S, Becker, G D, Berg, T AM, Christensen, L, Denney, K D, Hamann, F, Paris, I, Vestergaard, M, Worseck, G

“…We statistically study the physical properties of a sample of narrow absorption line (NAL) systems looking for empirical evidences to distinguish between…”
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Hunting for metals using XQ-100 Legacy Survey composite spectra by Perrotta, S, D’Odorico, V, Hamann, F, Cristiani, S, Prochaska, J X, Ellison, S L, Lopez, S, Cupani, G, Becker, G, Berg, T A M, Christensen, L, Denney, K D, Worseck, G

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CONSTRAINING GAMMA-RAY BURST EMISSION PHYSICS WITH EXTENSIVE EARLY-TIME, MULTIBAND FOLLOW-UP by CUCCHIARA, A, CENKO, S. B, DA SILVA, R. L, PROCHASKA, J. X, MILNE, P. A, BUTLER, N. R, COBB, B, WORSECK, G, MUNDELL, C. G, STEELE, I. A, FILIPPENKO, A. V, FUMAGALLI, M, BLOOM, J. S, KLEIN, C. R, STEPHENS, A, BLUCK, A, MASON, R, MELANDRI, A, MORGAN, A, KOBAYASHI, S, SMITH, R. J, PERLEY, D. A, LI, W, HORA, J. L

“…Understanding the origin and diversity of emission processes responsible for gamma-ray bursts (GRBs) remains a pressing challenge. While prompt and…”
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The VLT LBG Redshift Survey - II. Interactions between galaxies and the IGM at z∼ 3 by Crighton, N. H. M., Bielby, R., Shanks, T., Infante, L., Bornancini, C. G., Bouché, N., Lambas, D. G., Lowenthal, J. D., Minniti, D., Morris, S. L., Padilla, N., Péroux, C., Petitjean, P., Theuns, T., Tummuangpak, P., Weilbacher, P. M., Wisotzki, L., Worseck, G.

“…We have measured redshifts for 243 z≈ 3 quasars in nine Very Large Telescope (VLT) Visible Imaging and Multi-Object Spectrograph (VIMOS) Lyman-break galaxy…”
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The VLT LBG Redshift Survey- II. Interactions between galaxies and the IGM at z∼ 3 by Crighton, N. H. M., Bielby, R., Shanks, T., Infante, L., Bornancini, C. G., Bouché, N., Lambas, D. G., Lowenthal, J. D., Minniti, D., Morris, S. L., Padilla, N., Péroux, C., Petitjean, P., Theuns, T., Tummuangpak, P., Weilbacher, P. M., Wisotzki, L., Worseck, G.

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The VLT LBG Redshift Survey- II. Interactions between galaxies and the IGM at z similar to 3 by Crighton, NHM, Bielby, R, Shanks, T, Infante, L, Bornancini, C G, Bouche, N, Lambas, D G, Lowenthal, J D, Minniti, D, Morris, S L, Padilla, N, Peroux, C, Petitjean, P, Theuns, T, Tummuangpak, P, Weilbacher, P M, Wisotzki, L, Worseck, G

“…We have measured redshifts for 243 z approximate to 3 quasars in nine Very Large Telescope (VLT) Visible Imaging and Multi-Object Spectrograph (VIMOS)…”
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Abundances of CNO elements in z ∼ 0.3–0.4 Lyman continuum leaking galaxies by Izotov, Y. I., Schaerer, D., Worseck, G., Berg, D., Chisholm, J., Ravindranath, S., Thuan, T. X.

“…ABSTRACT We present observations with the Space Telescope Imaging Spectrograph onboard the Hubble Space Telescope (HST) of 11 Lyman continuum (LyC) leaking…”
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