R. Sánchez-Ramírez
Spanish National Research Council
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Featured researches published by R. Sánchez-Ramírez.
Astronomy and Astrophysics | 2015
T. Krühler; Daniele Malesani; J. P. U. Fynbo; O. E. Hartoog; J. Hjorth; P. Jakobsson; Daniel A. Perley; A. Rossi; Patricia Schady; S. Schulze; Nial R. Tanvir; S. D. Vergani; K. Wiersema; P. M. J. Afonso; J. Bolmer; Z. Cano; S. Covino; V. D’Elia; A. de Ugarte Postigo; Robert Filgas; M. Friis; John F. Graham; J. Greiner; P. Goldoni; Andreja Gomboc; F. Hammer; J. Japelj; D. A. Kann; L. Kaper; Sylvio Klose
We present data and initial results from VLT/X-Shooter emission-line spectroscopy of 96 galaxies selected by long γ-ray bursts (GRBs) at 0.1 2 by ~0.4 dex. These properties of GRB hosts and their evolution with redshift can be understood in a cosmological context of star-forming galaxies and a picture in which the hosts’ properties at low redshift are influenced by the tendency of GRBs to avoid the most metal-rich environments.
Monthly Notices of the Royal Astronomical Society | 2016
R. Sánchez-Ramírez; Sara L. Ellison; Jason X. Prochaska; Trystyn A. M. Berg; Sebastian Pedraza Lopez; Valentina D'Odorico; George D. Becker; Lise Christensen; G. Cupani; K. D. Denney; Isabelle Pâris; Gabor Worseck; Javier Gorosabel
We present a sample of 38 intervening Damped Lyman
Monthly Notices of the Royal Astronomical Society | 2017
L. Izzo; C. C. Thöne; S. Schulze; Andrea Mehner; H. Flores; Z. Cano; A. de Ugarte Postigo; D. A. Kann; R. Amorin; J. P. Anderson; F. E. Bauer; K. Bensch; L. Christensen; S. Covino; M. Della Valle; J. P. U. Fynbo; P. Jakobsson; Sylvio Klose; Hanindyo Kuncarayakti; G. Leloudas; B. Milvang-Jensen; P. Møller; M. Puech; A. Rossi; R. Sánchez-Ramírez; S. D. Vergani
\alpha
Astronomy and Astrophysics | 2015
Andrea Melandri; M. G. Bernardini; P. D’Avanzo; R. Sánchez-Ramírez; F. Nappo; L. Nava; J. Japelj; A. de Ugarte Postigo; S. R. Oates; Sergio Campana; S. Covino; V. D’Elia; G. Ghirlanda; Emanuel Gafton; Gabriele Ghisellini; Nickolay Y. Gnedin; P. Goldoni; Javier Gorosabel; Tine Libbrecht; Daniele Malesani; R. Salvaterra; C. C. Thöne; S. D. Vergani; Dong-Ling Xu; G. Tagliaferri
(DLA) systems identified towards 100
Astronomy and Astrophysics | 2018
J. Selsing; T. Krühler; Daniele Malesani; P. D’Avanzo; S. Schulze; S. D. Vergani; J. T. Palmerio; J. Japelj; B. Milvang-Jensen; D. Watson; P. Jakobsson; J. Bolmer; Z. Cano; S. Covino; V. D’Elia; A. de Ugarte Postigo; J. P. U. Fynbo; Andreja Gomboc; K. E. Heintz; L. Kaper; Andrew J. Levan; S. Piranomonte; G. Pugliese; R. Sánchez-Ramírez; M. Sparre; Nial R. Tanvir; C. C. Thöne; K. Wiersema
z>3.5
Monthly Notices of the Royal Astronomical Society | 2017
Trystyn A. M. Berg; Sara L. Ellison; Jason X. Prochaska; R. Sánchez-Ramírez; Sebastian Pedraza Lopez; Valentina D'Odorico; George D. Becker; Lise Christensen; G. Cupani; K. D. Denney; Gabor Worseck
quasars, observed during the XQ-100 survey. The XQ-100 DLA sample is combined with major DLA surveys in the literature. The final combined sample consists of 742 DLAs over a redshift range approximately
Monthly Notices of the Royal Astronomical Society | 2017
R. Sánchez-Ramírez; Paul Hancock; G. Jóhannesson; Tara Murphy; A. de Ugarte Postigo; Javier Gorosabel; D. A. Kann; T. Krühler; S. R. Oates; J. Japelj; C. C. Thöne; A. Lundgren; Daniel A. Perley; Daniele Malesani; I. de Gregorio Monsalvo; A. J. Castro-Tirado; V. D'Elia; Johan Peter Uldall Fynbo; D. Garcia-Appadoo; P. Goldoni; J. Greiner; Y. D. Hu; Martin Jelinek; S. Jeong; Atish Kamble; Sylvio Klose; N. P. M. Kuin; A. Llorente; S. Martín; A. Nicuesa Guelbenzu
1.6 < z_{\rm abs} < 5.0
Astronomy and Astrophysics | 2017
L. Christensen; S. D. Vergani; S. Schulze; N. Annau; J. Selsing; J. P. U. Fynbo; A. de Ugarte Postigo; R. Cañameras; S. Lopez; D. Passi; P. Cortés-Zuleta; Sara L. Ellison; V. D’Odorico; G. Becker; T. A. M. Berg; Z. Cano; S. Covino; G. Cupani; V. D’Elia; Paolo Goldoni; Andreja Gomboc; F. Hammer; K. E. Heintz; P. Jakobsson; J. Japelj; L. Kaper; Daniele Malesani; P. Møller; Patrick Petitjean; V. Pugliese
. We develop a novel technique for computing
The Astrophysical Journal | 2018
Nial R. Tanvir; M. Bremer; S. B. Cenko; G. Pugliese; James E. Rhoads; T. Kruehler; Paolo Goldoni; Andrew S. Fruchter; Andrew J. Levan; K. E. Heintz; S. Schulze; Daniel A. Perley; Kuntal Misra; Elizabeth R. Stanway; A. Cucchiara; J. Hjorth; Tanmoy Laskar; D. Xu; A. de Ugarte Postigo; F. Knust; S. Covino; William. Fong; Sylvio Klose; Valerio D'Elia; J. P. U. Fynbo; Z. Cano; Daniele Malesani; Bethany Elisa Cobb; R.A.M.J. Wijers; D. Watson
\Omega_{\rm HI}^{\rm DLA}
Astronomy and Astrophysics | 2018
A. de Ugarte Postigo; Christina C. Thoene; K. Bensch; A. J. van der Horst; D. A. Kann; Z. Cano; L. Izzo; Paolo Goldoni; S. Martín; Robert Filgas; Patricia Schady; J. Gorosabel; Ilfan Bikmaev; M. Bremer; R. Burenin; A. J. Castro-Tirado; J. P. U. Fynbo; D. Garcia-Appadoo; I. de Gregorio-Monsalvo; Martin Jelinek; I. M. Khamitov; Atish Kamble; C. Kouveliotou; T. Kruehler; S. Melnikov; M. Nardini; Daniel A. Perley; G. Petitpas; G. G. Pooley; E. Rol
as a continuous function of redshift, and we thoroughly assess and quantify the sources of error therein, including fitting errors and incomplete sampling of the high column density end of the column density distribution function. There is a statistically significant redshift evolution in
