Results 21 to 30 of about 1,379 (186)

The Formation of Massive Stars: from Herschel to Near-Infrared

open access: yesActa Polytechnica CTU Proceedings, 2014
We have studied a number of selected high mass star forming regions, including high resolution near-infrared broad- and narrow-band imaging, Herschel (70, 160, 250, 350 and 500 μm) and Spitzer (3.6, 4.5, 5.8 and 8.0 m) images.
Paolo Persi, Mauricio Tapia
doaj   +1 more source

Phase Curves of Kuiper Belt Objects, Centaurs, and Jupiter-family Comets from the ATLAS Survey

open access: yesThe Planetary Science Journal, 2023
The Kuiper Belt objects (KBOs), the Centaurs, and the Jupiter-family comets (JFCs) form an evolutionary continuum of small outer solar system objects, and their study allows us to gain insight into the history and evolution of the solar system. Broadband
Matthew M. Dobson   +11 more
doaj   +1 more source

The effect of pass-bands on broad-band optical photometry of SN1987A [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1989
Les fonctions de reponse des bandes passantes VRI utilisees aux observatoires CTIO et SAAO peuvent etre reconstruites a partir des transformations de couleur dans le systeme standard. Les resultats montrent que le filtre CTIO I presente une coupure pour une longueur d'onde bien plus courte que celui utilise a SAAO et, en consequence, les raies d ...
openaire   +1 more source

CEERS Key Paper. IV. A Triality in the Nature of HST-dark Galaxies

open access: yesThe Astrophysical Journal Letters, 2023
The new capabilities that JWST offers in the near- and mid-infrared (IR) are used to investigate in unprecedented detail the nature of optical/near-IR-faint, mid-IR-bright sources, with HST-dark galaxies among them.
Pablo G. Pérez-González   +54 more
doaj   +1 more source

OTELO survey: deepBVRIbroad-band photometry of the Groth strip [PDF]

open access: yesAstronomy & Astrophysics, 2008
Context. The Groth field is one of the sky regions that will be targeted by the OTELO (OSIRIS Tunable Filter Emission Line Object) survey in the optical 820 nm and 920 nm atmospheric windows. A complementary broad-band photometric catalogue of the field is essential for several purposes, in particular the inequivocal identification of sources ...
Cepa, J.   +8 more
openaire   +5 more sources

Engineered Optical Fibers for Deep‐Tissue Applications

open access: yesAdvanced Optical Materials, EarlyView.
This review establishes a foundational framework for designing optical fibers for deep‐tissue medicine. It systematically links material innovations like polymers and hydrogels with structural paradigms to enable state‐of‐the‐art diagnostics, including endoscopy and biosensing, and targeted therapeutics, guiding future clinical translation.
Yuzhen Li   +16 more
wiley   +1 more source

Predicting the Spectroscopic Features of Galaxies by Applying Manifold Learning on Their Broadband Colors: Proof of Concept and Potential Applications for Euclid, Roman, and Rubin LSST

open access: yesThe Astrophysical Journal
Entering the era of large-scale galaxy surveys, which will deliver unprecedented amounts of photometric and spectroscopic data, there is a growing need for more efficient, data-driven, and less model-dependent techniques to analyze the spectral energy ...
Marziye Jafariyazani   +4 more
doaj   +1 more source

Midbrain PAG Astrocytes Modulate Mouse Defensive and Panic‐Like Behaviors

open access: yesAdvanced Science, EarlyView.
Astrocytes in the midbrain periaqueductal gray (PAG) dynamically encode threat intensity and shape defensive action selection in mice. Real‐time Ca2+ imaging reveals robust astrocytic activation during predator odor and CO2 exposure. Aberrant astrocytic Ca2+ overactivation disrupts goal‐directed escape, biases behavior toward freezing, and induces ...
Ellane Barcelon   +10 more
wiley   +1 more source

Respiratory‐Limbic Coupling via a Thalamic Circuit Alleviates Anxiety

open access: yesAdvanced Science, EarlyView.
This study delineates a conserved preBötCGlu→PVT→CeA circuit that gates anxiety and respiration. Activation of this circuit is anxiolytic and respiratory‐stabilizing, while its inhibition has the opposite effect. Mechanistically, PVT exerts its anxiolytic action via a disinhibitory microcircuit: its inputs preferentially target CeL GABAergic neurons ...
Shangyu Bi   +15 more
wiley   +1 more source

Validation of TESS Planet Candidates with Multicolor Transit Photometry and TRICERATOPS+

open access: yesThe Astronomical Journal
We present an upgraded version of TRICERATOPS , a software package designed to calculate false positive probabilities for planet candidates identified by the Transiting Exoplanet Survey Satellite (TESS).
Jonathan Gomez Barrientos   +35 more
doaj   +1 more source

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