Results 11 to 20 of about 2,720 (178)
Lyman alpha and Lyman continuum emission of Mg ii-selected star-forming galaxies [PDF]
Monthly notices of the Royal Astronomical Society, 2022
We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space Telescope of seven compact low-mass star-forming galaxies at redshifts, z, in the range 0.3161 – 0.4276, with various O3Mg2 = [O iii] λ5007/Mg ii λ2796+2803 and Mg2 = Y. Izotov, J. Chisholm, G. Worseck, N. Guseva, D. Schaerer, J. H. U. F. S. Physics, Kyiv, Ukraine, A. Department, U. T. A. Austin, Austin, Usa, Institut fur Physik und Astronomie, U. Potsdam, Potsdam, Germany, Observatoire de Geneve, U. Geneve, Versoix, Switzerland., Irapcnrs, Toulouse, France, University Observatory, Santa Cruz +24 moresemanticscholar +1 more sourceExtremely strong C iv λ1550 nebular emission in the extremely low-metallicity star-forming galaxy J2229+2725 [PDF]
Monthly Notices of the Royal Astronomical Society Letters, 2023
Using Hubble Space Telescope/Cosmic Origins Spectrograph observations of one of the most metal-poor dwarf star-forming galaxies (SFGs) in the local Universe, J2229+2725, we have discovered an extremely strong nebular C iv λλ1549, 1551 emission-line ...Y. Izotov, D. Schaerer, N. Guseva, T. Thuan, G. W. B. I. F. T. Physics, National Academy of Sciences of Ukraine, Kyiv, Ukraine, Observatoire de Geneve, U. Geneve, Versoix, Switzerland., Irapcnrs, Toulouse, France, A. Department, U. Virginia, Charlottesville, Usa, Institut fur Physik und Astronomie, U. Potsdam, Potsdam, Germany +22 moresemanticscholar +1 more sourceThe sculpting of rectangular and jet-like morphologies in supernova remnants by anisotropic equatorially-confined progenitor stellar winds [PDF]
Monthly notices of the Royal Astronomical Society, 2023
Thermonuclear and core-collapse supernova remnants (SNRs) are the nebular leftovers of defunct stars. Their morphology and emission properties provide insights into the evolutionary history of the progenitor star.P. Velázquez, D. Meyer, A. Chiotellis, A. Cruz-Álvarez, E. Schneiter, J. C. Toledo-Roy, E. Reynoso, A. E. I. D. C. Nucleares, Universidad Nacional Autnoma de M'exico, Ap. 70-543, Cdmx, 04510, M'exico Universitat Potsdam, Institut fur Physik und Astronomie, Karl-Liebknecht-Strasse 2425, 14476 Potsdam, G. Astronomy, Astrophysics, Space Applications, R. Sensing, National Observatory of Athens, 15236, Penteli, Greece 4rth Lykeion Acharnon, Acharneon Ippeon, Paliggenesias, 136 74 Acharnes, Greece Departamento de Materiales y Tecnolog'ia, FCEFyN-UNC, Av. V'elez Sarsfield 1611, C'ordoba, A. I. D. A. Y. F. D. Espacio, Av. Int. Guiraldes 2620, P. Iafe, Ciudad Universitaria, 1428, Buenos Aires, Argentina. +37 moresemanticscholar +1 more sourceLyman continuum leakage from low-mass galaxies with M⋆ < 108 M⊙ [PDF]
, 2021 We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space Telescope of nine low-mass starforming galaxies at redshifts, z, in the range 0.3179 – 0.4524, with stellar masses M★ < 108 M and very high specific star-formation ...Y. Izotov, G. Worseck, D. Schaerer, N. Guseva, J. Chisholm, T. Thuan, K. Fricke, A. W. I. O. Physics, National Academy of Sciences of Ukraine, Kyiv, Ukraine, Institut fur Physik und Astronomie, U. Potsdam, Potsdam, Germany., Observatoire de Geneve, U. Geneve, Versoix, Switzerland., Irapcnrs, Toulouse, France., A. Department, U. T. A. Austin, Austin, Usa, U. Virginia, Charlottesville, I. F. Astrophysik, Goettingen Universitat, Goettingen +30 moresemanticscholar +1 more sourceMixing of materials in magnetised core-collapse supernova remnants [PDF]
Monthly notices of the Royal Astronomical Society, 2023
Core-collapse supernova remnants are structures of the interstellar medium (ISM) left behind the explosive death of most massive stars ($\lesssim 40\, \rm {\rm M}_{\odot }$).Meyer D. M.-A., M. Pohl, M. Petrov, Egberts K. Universitaet Potsdam, Institut fur Physik und Astronomie, Karl-Liebknecht-Strasse 2425, 14476 Potsdam, Germany Deutsches Elektronen-Synchrotron, 6. Platanenallee, 15738 Zeuthen, Germany Max Planck Computing, D. Facility, 2. Giessenbachstrasse, D. Garching, Germany +14 moresemanticscholar +1 more sourceIonization and Star Formation in the Giant H ii Region SMC-N66 [PDF]
Publications of the Astronomical Society of the Pacific, 2022 The NGC 346 young stellar system and associated N66 giant H ii region in the Small Magellanic Cloud are the nearest example of a massive star-forming event in a low metallicity (Z ≈ 0.2Z ⊙) galaxy.E. Geist, J. Gallagher, R. Kotulla, L. Oskinova, W. Hamann, V. Ramachandran, E. Sabbi, L. Smith, A.Kniazev, A. Nota, M. College, D. O. Astronomy, U. Wisconsin--Madison, Institut fur Physik und Astronomie, U. Potsdam, A. Rechen-Institut, U. Heidelberg, Space Telescope Science Institute, S. Observatory, D. Physics, Astronomy, U. London +21 moresemanticscholar +1 more sourceRectangular core-collapse supernova remnants: Application to Puppis A [PDF]
Monthly notices of the Royal Astronomical Society, 2022
Core-collapse supernova remnants are the gaseous nebulae of galactic interstellar media (ISM) formed after the explosive death of massive stars. Their morphology and emission properties depend both on the surrounding circumstellar structure shaped by ...D. Meyer, P. Velázquez, O. Petruk, A. Chiotellis, M. Pohl, F. Camps-Farina, M. Petrov, E. Reynoso, J. C. Toledo-Roy, E. Schneiter, A. Castellanos-Ramírez, A. Potsdam, Institut fur Physik und Astronomie, Karl-Liebknecht-Strasse 2425, 14476 Potsdam, G. I. D. C. Nucleares, Universidad Autonoma de Mexico, C. 04510, M'exico City, Mexico Institute for Applied Problems in Mechanics, Mathematics, Nas Ukraine, Naukova 3-b, 79060 Lviv, Ukraine Kyiv, 3. O. S. Kyiv, 04053, UK Institute for Astronomy, Astrophysics, Space Applications, R. Sensing, National Observatory of Athens, 15236, Penteli, 6. GreeceDESYPlatanenallee, 15738 Zeuthen, G. F. S. D. D. A. Y. Astrof'isica, U. Madrid, 28014 Madrid, Spain Max Planck Computing, D. Facility, 2. Giessenbachstrasse, D. Garching, G. I. D. A. Y. F. D. Espacio, Av. Int. Guiraldes 2620, P. Iafe, Ciudad Universitaria, 1428, Buenos Aires, Argentina Departamento de Materiales y Tecnolog'ia, FCEFyN-UNC, Av. V'elez Sarsfield 1611, C'ordoba, A. Mexico, I. D. Astronom'ia, A. 70-264, Cdmx, 04510, M'exico. +58 moresemanticscholar +1 more sourceNon-thermal radio supernova remnants of exiled Wolf–Rayet stars [PDF]
Monthly notices of the Royal Astronomical Society, 2021
A signification fraction of Galactic massive stars (${\ge}8\, \rm M_{\odot }$) are ejected from their parent cluster and supersonically sail away through the interstellar medium (ISM).D. Meyer, M. Pohl, M. Petrov, L. O. U. Potsdam, Institut fur Physik und Astronomie, Potsdam, 6. GermanyDESYPlatanenallee, Zeuthen, Germany Max Planck Computing, D. Facility, D-Garching, G. D. F. Astronomy, Kazan Federal University, Kazan, Russia +14 moresemanticscholar +1 more source3D MHD astrospheres: applications to IRC-10414 and Betelgeuse [PDF]
Monthly notices of the Royal Astronomical Society, 2021
A significative fraction of all massive stars in the Milky Way move supersonically through their local interstellar medium (ISM), producing bow shock nebulae by wind-ISM interaction.D. Meyer, A. Mignone, M. Petrov, K. Scherer, P. Velázquez, P. B. U. Potsdam, Institut fur Physik und Astronomie, Karl-Liebknecht-Strasse 2425, 14476 Potsdam, Germany Dipartimento di Fisica Generale Facolta di Scienze M.F.N., U. Torino, 1. viaPietroGiuria, I. Torino, Italy Max Planck Computing, D. Facility, 2. Giessenbachstrasse, Garching, Germany Max-Planck-Institut fur Extraterrestrische Physik, Lehrstuhl IV Plasma-Astroteilchenphysik, Ruhr-Universitát Bochum, Bochum, Germany Research Department, Plasmas with Complex Interactions, G. I. D. C. Nucleares, Universidad Autonoma de Mexico, CP 04510. Mexico City, M. L. F. Astronomy, Astrophysics, Space Applications, R. Sensing, National Observatory of Athens, Penteli, Greece. +32 moresemanticscholar +1 more sourceLow-redshift Lyman continuum leaking galaxies with high [O iii]/[O ii] ratios [PDF]
, 2018 We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space Telescope of five star-forming galaxies at redshifts z in the range 0.2993-0.4317 and with high emission-line flux ratios O32=[OIII]5007/[OII]3727 ~ 8-27 aiming to ...Y. Izotov, G. Worseck, D. Schaerer, N. Guseva, T. Thuan, K. Fricke, A. Verhamme, I. A. Observatory, Kyiv, Ukraine, Institut fur Physik und Astronomie, U. Potsdam, Germany., Observatoire de Geneve, Versoix, Switzerland., A. Department, U. Virginia, Charlottesville, Usa, I. F. Astrophysik, Goettingen Universitat, A. Institute, Prague, Czech Republic. +24 moresemanticscholar +1 more source
