J. C. Tello

ORCID: 0000-0003-1361-352X
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About
Contact & Profiles
Research Areas
  • Gamma-ray bursts and supernovae
  • SAS software applications and methods
  • Plant Pathogens and Fungal Diseases
  • Astrophysical Phenomena and Observations
  • Astronomy and Astrophysical Research
  • Plant Disease Management Techniques
  • Astronomical Observations and Instrumentation
  • Astrophysics and Cosmic Phenomena
  • Stellar, planetary, and galactic studies
  • Mycotoxins in Agriculture and Food
  • Plant Pathogens and Resistance
  • Plant-Microbe Interactions and Immunity
  • Nematode management and characterization studies
  • Fungal Biology and Applications
  • Latin American history and culture
  • Environmental Sustainability and Education
  • Geography and Environmental Studies
  • Agricultural and Food Sciences
  • Essential Oils and Antimicrobial Activity
  • CCD and CMOS Imaging Sensors
  • Plant Pathogenic Bacteria Studies
  • Agriculture, Plant Science, Crop Management
  • Pulsars and Gravitational Waves Research
  • Plant Virus Research Studies
  • Plant Disease Resistance and Genetics

Instituto de Astrofísica de Andalucía
2012-2024

Universidade Federal do Amazonas
2010-2022

National University of Engineering
2015-2022

Consejo Superior de Investigaciones Científicas
2011-2020

Czech Academy of Sciences, Astronomical Institute
2019

Direção Geral do Património Cultural
2019

University of Almería
2007-2018

National University of Saint Anthony the Abbot in Cuzco
2017

Universidad Simón Bolívar
2016

Simón Bolívar University
2008-2016

Variable X-ray and gamma-ray emission is characteristic of the most extreme physical processes in Universe, studying sources these energetic photons has been a major driver astronomy for past 50 years. Here we present multiwavelength observations unique selected transient, discovered by Swift, which was accompanied bright across electromagnetic spectrum, whose properties are unlike any previously observed source. We pinpoint event to center small, star-forming galaxy at redshift z=0.3534....

10.1126/science.1207143 article EN Science 2011-06-17

Fusarium wilts are economically important diseases for which there no effective chemical control measures. However, biological and fertility management becoming efficient alternatives controlling this disease. Growth media formulated with composts that able to suppress wilt of tomato provide a system integrates both strategies. The aim study was predict suppression growth using abiotic biotic variables. Grape marc compost the most medium used wilt. Cork intermediate, light peat expanded...

10.1094/phyto.2004.94.10.1094 article EN other-oa Phytopathology 2004-10-01

GRB 160821B is a short duration gamma-ray burst (GRB) detected and localized by the Neil Gehrels Swift Observatory in outskirts of spiral galaxy at z=0.1613, projected physical offset 16 kpc from galaxy's center. We present X-ray, optical/nIR radio observations its counterpart model them with two distinct components emission: standard afterglow, arising interaction relativistic jet surrounding medium, kilonova, powered radioactive decay sub-relativistic ejecta. Broadband modeling afterglow...

10.1093/mnras/stz2255 article EN Monthly Notices of the Royal Astronomical Society 2019-08-23

In 1919, while exploring the basin of Mariash or Pukcha River, one upper Amazon affluents, I found in Chavín de Huantar evidence a culture that, up to then, had not been given due recognition. proved that certain buildings and other products aboriginal art there belonged quite distinctive cycle culture–that stone culture. Monolithic figures serpents felines, representing human heads, stelae, obelisks, sundry utensils, objects decorated with incised carved plane, high low relief, grotesque...

10.2307/275457 article EN American Antiquity 1943-07-01

We present results of the prompt, early, and afterglow optical observations five gamma-ray bursts, GRBs 100901A, 100902A, 100905A, 100906A, 101020A, made with Mobile Astronomical System TElescope-Robots in Russia (MASTER-II net), 1.5-m telescope Sierra-Nevada Observatory, 2.56-m Nordic Optical Telescope. For two sources, GRB 100901A we detected counterparts obtained light curves starting before cessation emission, at 113 s 48 after trigger, respectively. Observations 100906A were conducted...

10.1111/j.1365-2966.2012.20195.x article EN Monthly Notices of the Royal Astronomical Society 2012-03-08

GRBs generate an afterglow emission that can be detected from radio to X-rays during days, or even weeks after the initial explosion. The peak of this crosses mm/submm range first hours making their study in crucial for constraining models. Observations have been limited until now due low sensitivity observatories range. We present observations 10 GRB afterglows obtained APEX and SMA, as well detection a with ALMA, put them into context all published spectral will covered by ALMA. catalogue...

10.1051/0004-6361/201117848 article EN Astronomy and Astrophysics 2011-12-16

We perform a detailed study of the gamma-ray burst GRB091127/SN2009nz host galaxy at z=0.490 using VLT/X-shooter spectrograph in slit and integral-field unit (IFU). From analysis optical X-ray afterglow data obtained from ground-based telescopes Swift-XRT we confirm presence bump associated with SN2009nz find evidence possible jet break lightcurve. The X-shooter spectra reveal several emission lines underlying host, which derive its integrated properties. These are agreement those previously...

10.1051/0004-6361/201117726 article EN Astronomy and Astrophysics 2011-10-12

AbstractIt is important to know about the mechanisms that suppress plant diseases when compost from vegetable residues and/or their liquid extracts (compost tea) are used in order improve efficiency of this suppressing effect on pathogens. In study, we assessed presence siderophores various grape marc aerated teas (ACT) and nine pathogens: Rhizoctonia solani, Fusarium oxysporum f. sp. radicis-lycopersici, lycopersici race 0, 1, radicis-cucumerinum, Verticillium dahliae, Pythium...

10.1080/1065657x.2006.10702262 article EN Compost Science & Utilization 2006-01-01

Species of Fusarium were isolated from water samples collected the Andarax River and coastal sea Mediterranean in Granada Almería provinces southeastern Spain. In total, 18 analyzed River, 10 species isolated: anthophilum, F. acuminatum, chlamydosporum, culmorum, equiseti, verticillioides, oxysporum, proliferatum, solani, sambucinum. addition, five 33 Sea: solani. When considering by their origins, 77.8% river yielded at least one Fusarium, with oxysporum comprising 72.2% total isolates....

10.1094/pdis-93-4-0377 article EN other-oa Plant Disease 2009-03-09

We present a comprehensive analysis of bright, long duration (T90 ~ 257 s) GRB 110205A at redshift z= 2.22. The optical prompt emission was detected by Swift/UVOT, ROTSE-IIIb and BOOTES telescopes when the still radiating in gamma-ray band. Nearly 200 s observations were obtained simultaneously from optical, X-ray to gamma-ray, which makes it one exceptional cases study broadband spectral energy distribution across 6 orders magnitude during phase. By fitting time resolved spectra, we clearly...

10.1088/0004-637x/751/2/90 article EN The Astrophysical Journal 2012-05-09
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