Following recent abundance measurements of Mg, Al, Ca, Fe, and Ni in the black hole X-ray binary XTE J1118+480 using medium-resolution Keck II ESI spectra of...
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PublicaciónChemical Abundances of the Secondary Star in the Black Hole X-Ray Binary XTE J1118+480
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PublicaciónChemical composition of secondary stars in LMXBs: implications on the progenitors of black holes and neutron stars
Recent studies of chemical abundances of secondary stars in low mass X-ray binaries have opened a new window to obtain information on the progenitors of black...
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PublicaciónConstraints on an Optical Afterglow and on Supernova Light Following the Short Burst GRB 050813
We report early follow-up observations of the error box of the short burst GRB 050813 using the telescopes at Calar Alto and Observatorio Sierra Nevada...
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PublicaciónConstraints on Circumstellar Material around the Type Ia Supernova 2007af
Patat et al. recently inferred the existence of circumstellar material around a normal Type Ia supernova (SN Ia) for the first time, finding time-variable Na I...
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PublicaciónCore-collapse supernovae in the Dark Energy Survey: luminosity functions and host galaxy demographics
We present the luminosity functions and host galaxy properties of the Dark Energy Survey (DES) core-collapse supernova (CCSN) sample, consisting of 69 Type II...
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PublicaciónDeepZipper. II. Searching for Lensed Supernovae in Dark Energy Survey Data with Deep Learning
Gravitationally lensed supernovae (LSNe) are important probes of cosmic expansion, but they remain rare and difficult to find. Current cosmic surveys likely...
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NoticiaDescubren la primera explosión de supernova de una estrella Wolf-Rayet
Un estudio internacional, en el que participan investigadores del Gran Telescopio Canarias (GTC o Grantecan) afiliados al Instituto de Astrofísica de Canarias...
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PublicaciónDetailed spectrophotometric analysis of the superluminous and fast evolving SN 2019neq
SN 2019neq was a very fast evolving superluminous supernova. At a redshift z = 0.1059, its peak absolute magnitude was -21.5 ± 0.2 mag in g band. In this work...
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PublicaciónDetection of optical emission from the supernova remnant G7.7-3.7
We present the first optical study of the supernova remnant (SNR) G7.7-3.7, with the aim of determining its evolutionary phase since it has been suggested to be...