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58 risultati trovati.

Tipi di risorsa: Libro cartaceo Libro elettronico Articolo Rivista Tesi Capitolo
Ricerca accademica
Photometry of the Oort Cloud comet C/2009 P1 (Garradd): Pre-perihelion observations at 5.7 and 2.5 AU.
Articolo
Articolo
Photometry of the Oort Cloud comet C/2009 P1 (Garradd): Pre-perihelion observations at 5.7 and 2.5 AU.
Mazzotta Epifani, C. et al · Elsevier · 2016 · ISSN 0032-0633
The aim of this paper is to contribute to the characterization of the general properties of the Long Period Comets (LPCs) family, and in particular to report on the dust environment of comet C/2009 P1 (Garradd).The comet...
Idioma Inglés
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All-fiber-transmission photometry for simultaneous optogenetic stimulation and multi-color neuronal activity recording
Articolo
Articolo
All-fiber-transmission photometry for simultaneous optogenetic stimulation and multi-color neuronal activity recording
Zhongyang Qi et al · Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China · 2022 · ISSN 2096-4579
Manipulating and real-time monitoring of neuronal activities with cell-type specificity and precise spatiotemporal resolution during animal behavior are fundamental technologies for exploring the functional connectivity,...
LCC TENDOk9wdGljcy4gTGlnaHQ~Idioma Inglés
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The level of photometry is the basic level of the Hungarian galaxy
Articolo
Articolo
The level of photometry is the basic level of the Hungarian galaxy
Mohsen Ali et al · University of Mosul, College of Education for Pure Science · 2007 · ISSN 1812-125X
AbstractThe photometric and fundamental plane for a sample of early type galaxies(elliptical and lenticular galaxies) which belongs to Virgo cluster have been calculated by fitting the Sersic model ( r1/n-model) to the s...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma Inglés
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Overall properties of open clusters projected towards the galactic anticenter direction: Washington photometry of NGC 1817 and NGC 2251
Articolo
Articolo
Overall properties of open clusters projected towards the galactic anticenter direction: Washington photometry of NGC 1817 and NGC 2251
Parisi, Maria Celeste et al · Asociación Argentina de Astronomía · 2005 · ISSN 1669-9521
Presentamos fotometrıa de Washington de candidatas a gigantes rojas de los cumulos abiertos NGC 1817 y NGC 2251. Estrellas del campo y gigantes del cumulo se separan en base a velocidades radiales publicadas. Determinam...
Idioma Inglés
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Search for rings and satellites around the exoplanet CoRoT-9b using Spitzer photometry
Articolo
Articolo
Search for rings and satellites around the exoplanet CoRoT-9b using Spitzer photometry
Lecavelier Des Etangs, A. et al · EDP Sciences · 2017 · ISSN 0004-6361
Using Spitzer photometry at 4.5 microns, we search for rings and satellites around the long period transiting planet CoRoT-9b. We observed two transits in 2010 and 2011. From their non-detection, we derive upper limits o...
Idioma Inglés
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Measurement of CFHT Images I: Identification, Photometry and Classification
Articolo
Articolo
Measurement of CFHT Images I: Identification, Photometry and Classification
Calderon, Jesus Humberto et al · Universidad Nacional Autónoma de México. Instituto de Astronomía · 2014 · ISSN 1405-2059
In this paper we present preliminary results from the measurement and analysis of imag es of the ecliptic zoneobtained with MegaCam at Canada-France-Hawaii Telescope (CFHT) located a t Mauna Kea(Hawaii ). We areevaluat...
Idioma Inglés
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Activity dynamics in the NPY neuronal signaling of mPFC in response to an air puff
Articolo
Articolo
Activity dynamics in the NPY neuronal signaling of mPFC in response to an air puff
Eugene Dimitrov et al · Taylor & Francis Group · 2026 · ISSN 1025-3890
These studies were designed to elucidate the role of NPY in modulating the responses of mPFC to acute stress in mice. Fiberoptic photometry recorded a robust increase in the NPY fluorescent signal in the mPFC during expl...
LCC LCC:Neurosciences. Biological psychiatry. NeuropsychiatryIdioma Inglés
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Color science of nanocrystal quantum dots for lighting and displays
Articolo
Articolo
Color science of nanocrystal quantum dots for lighting and displays
Erdem Talha et al · Wiley · 2013 · ISSN 2192-8606
Colloidal nanocrystals of semiconductor quantum dots (QDs) are gaining prominence among the optoelectronic materials in the photonics industry. Among their many applications, their use in artificial lighting and displays...
LCC TENDOlBoeXNpY3M~Idioma Inglés
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The incidence of the host galaxy in microvariability observations of quasars
Articolo
Articolo
The incidence of the host galaxy in microvariability observations of quasars
Cellone, Sergio Aldo et al · IOP Publishing · 2000 · ISSN 1534-1541
The incidence of a host galaxy in aperture photometry of active galactic nuclei is studied by means of actual and simulated CCD observations. Our goal is to evaluate the importance of spurious variations, introduced by s...
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Uncooled detectors of continuum terahertz radiation
Articolo
Articolo
Uncooled detectors of continuum terahertz radiation
P. Kaufmann et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
THz continuum spectral photometry has new and unique applications in different civil and military areas presenting a number of distinctive advantages on the well known microwaves or mid- to near-infrared technologies. TH...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma Inglés
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A brainstem–thalamocortical circuit mediates postoperative pain duration induced by sleep deprivation
Articolo
Articolo
A brainstem–thalamocortical circuit mediates postoperative pain duration induced by sleep deprivation
Lei Li et al · BMC · 2026 · ISSN 1744-9081
Abstract Background Postoperative sleep disturbances are common and have been shown to exacerbate incisional pain by enhancing the central nervous system’s excitability. However, the specific neural circuit mechanisms ...
LCC LCC:Neurology. Diseases of the nervous systemIdioma Inglés
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A corticothalamic circuit modulates pain sensitivity and mediates innate fear-induced analgesia in male mice
Articolo
Articolo
A corticothalamic circuit modulates pain sensitivity and mediates innate fear-induced analgesia in male mice
Wen-Bin Jia et al · Nature Portfolio · 2026 · ISSN 2041-1723
Abstract Fear and pain are two frequently co-occurring states that mammals need to orchestrate to ensure survival. Nevertheless, how the brain dynamically prioritizes between them remains poorly understood. Here, we demo...
LCC TENDOlNjaWVuY2U~Idioma Inglés
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A critical analysis of main-sequence fitting in open clusters to derive the helium-to-metal enrichment ratio ΔY/ΔZ
Articolo
Articolo
A critical analysis of main-sequence fitting in open clusters to derive the helium-to-metal enrichment ratio ΔY/ΔZ
Valle G. et al · EDP Sciences · 2026 · ISSN 0004-6361
Aims. We aim to investigate the feasibility of accurately determining the helium-to-metal enrichment ratio ΔY/ΔZ for open clusters using Gaia DR3 photometry. Methods. To test the reliability of this calibration, we per...
LCC TENDOkFzdHJvbm9teQ~~Idioma Inglés
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A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS 4 measured from stellar occultations
Articolo
Articolo
A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS 4 measured from stellar occultations
Rommel, F. L. et al · EDP Sciences · 2023 · ISSN 0004-6361
Context. The physical characterization of trans-Neptunian objects is essential for improving our understanding of the formation and evolution of our Solar System. Stellar occultation is a ground-based technique that can ...
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An analysis of spectroscopic, seismological, astrometric, and photometric masses of pulsating white dwarf stars
Articolo
Articolo
An analysis of spectroscopic, seismological, astrometric, and photometric masses of pulsating white dwarf stars
Calcaferro, Leila Magdalena et al · EDP Sciences · 2024 · ISSN 0004-6361
Context. A central challenge in the field of stellar astrophysics lies in accurately determining the mass of stars, particularly when dealing with isolated ones. However, for pulsating white dwarf stars, the task becomes...
Idioma Inglés
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Astrophysical properties of star fields in the Large Magellanic Cloud
Articolo
Articolo
Astrophysical properties of star fields in the Large Magellanic Cloud
Piatti, Andres Eduardo · Asociación Argentina de Astronomía · 2012 · ISSN 0571-3285
Presentamos resultados obtenidos a partir de datos CCD en el sistema fotom´etrico de Washington de ∼ 5.5 millones de estrellas distribuidas en toda la Nube Mayor de Magallanes (NMM). La calidad y performance de los da...
Idioma Inglés
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Constraining exotrojans in hot-Jupiter systems using transit timing variation observations from TESS
Articolo
Articolo
Constraining exotrojans in hot-Jupiter systems using transit timing variation observations from TESS
Zhang Zixin et al · EDP Sciences · 2026 · ISSN 0004-6361
Context. Co-orbital objects, also known as Trojans, are celestial bodies that share a 1:1 mean motion resonance orbit with a planet. Many planets in our Solar System hold Trojans, yet none has been confirmed in exoplanet...
LCC TENDOkFzdHJvbm9teQ~~Idioma Inglés
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Disappearance of the progenitor of supernova iPTF13bvn
Articolo
Articolo
Disappearance of the progenitor of supernova iPTF13bvn
Folatelli, Gaston et al · IOP Publishing · 2016 · ISSN 0004-637X
Supernova (SN) iPTF13bvn in NGC 5806 was the first Type Ib SN to have been tentatively associated with a progenitor in pre-explosion images. We performed deep ultraviolet (UV) and optical Hubble Space Telescope observati...
Idioma Inglés
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Discovery of new globular clusters in the Sagittarius dwarf galaxy
Articolo
Articolo
Discovery of new globular clusters in the Sagittarius dwarf galaxy
Minniti, Dante et al · EDP Sciences · 2021 · ISSN 0004-6361
Context. Globular clusters (GCs) are witnesses of the past accretion events onto the Milky Way. In particular, the GCs of the Sagittarius (Sgr) dwarf galaxy are important probes of an on-going merger. Aims. Our main goal...
Idioma Inglés
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Effect of exercise on occurrence of diurnal rhythms of plasma ions and metabolites in Thoroughbred racehorses Efeito do exercício na ocorrência de ritmos diários de íons e metabólitos plasmáticos em cavalos de corrida Puro Sangue Inglês
Articolo
Articolo
Effect of exercise on occurrence of diurnal rhythms of plasma ions and metabolites in Thoroughbred racehorses Efeito do exercício na ocorrência de ritmos diários de íons e metabólitos plasmáticos em cavalos de corrida Puro Sangue Inglês
P.C.R. Viana et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2007 · ISSN 0102-0935
Records of plasma calcium (Ca++), phosphorus (Pi), potassium (K+), sodium (Na+), chloride (Cl-), magnesium (Mg++), iron (Fe++), glucose, cholesterol, triglycerides and total protein levels were measured to determine the ...
LCC LCC:Animal cultureIdioma Inglés
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Extinction in the Star Cluster SAI 113 and Galactic Structure in Carina
Articolo
Articolo
Extinction in the Star Cluster SAI 113 and Galactic Structure in Carina
Carraro, Giovanni et al · IOP Publishing · 2017 · ISSN 0004-6256
Photometric CCD UB VI C photometry obtained for 4860 stars surrounding the embedded southern cluster SAI 113 (Skiff 8) is used to examine the reddening in the field and derive the distance to the cluster and nearby van G...
Idioma Inglés
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Glutamatergic pathway from deep layers of the insular cortex to the rostral central medial thalamic nucleus participates in neuropathic pain and anxiety-like behaviors in mice
Articolo
Articolo
Glutamatergic pathway from deep layers of the insular cortex to the rostral central medial thalamic nucleus participates in neuropathic pain and anxiety-like behaviors in mice
Xiao Ren et al · BMC · 2026 · ISSN 1129-2377
Abstract Background The insular cortex (IC), a pivotal hub for pain signal integration, projects extensively to the thalamus. However, the functional role of its specific projection to the central medial thalamic nucleus...
LCC LCC:MedicineIdioma Inglés
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Interferometric Images of the Starspot Evolution of ζ Andromedae
Articolo
Articolo
Interferometric Images of the Starspot Evolution of ζ Andromedae
Rachael M. Roettenbacher et al · IOP Publishing · 2026 · ISSN 1538-4357
The evolution of starspots of the giant primaries of RS CVn systems is typically detected indirectly with photometric and spectroscopic monitoring. These observations suggest slowly-evolving stellar surfaces and can cons...
LCC TENDOkFzdHJvcGh5c2ljcw~~Idioma Inglés
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