Results 41 to 50 of about 1,379 (186)

Broad-band and H  surface photometry of the central regions of nearby active galaxies -- I. Observations [PDF]

Monthly Notices of the Royal Astronomical Society, 2000
This is an electronic version of an article published in Monthly Notices of the Royal Astronomical Society. Sánchez-Portal, M., Díaz, A.I., Terlevich, R., Terlevich, E., Álvarez Álvarez, M. and I. Aretxaga. Broad-band and Hα surface photometry of the central regions of nearby active galaxies - I. Observations.
Sánchez Portal, Miguel, Díaz Beltrán, Ángeles Isabel, Terlevich, Roberto, Terlevich, Elena, Álvarez Álvarez, Mar, Aretxaga, Itziar   +5 more
openaire   +2 more sources

The THESEUS Space Mission and the Infrared Telescope Calibration Unit

Astronomische Nachrichten, EarlyView.
ABSTRACT The Transient High‐Energy Sky and Early Universe Surveyor (THESEUS) is an ESA M7 mission concept currently in Phase A, designed to exploit gamma‐ray bursts to probe the early Universe while advancing multi‐messenger and time‐domain astrophysics. To achieve its ambitious goals, THESEUS will combine wide‐band x‐ray and gamma‐ray monitors with an
András Péter Joó, Rebeka Gyöngyi Kiss, Lorenzo Amati, Bendegúz Koncz, Örs Detre, Gyula Zilizi, Zsolt Bagoly, István I. Rácz, Sándor Pintér, L. Viktor Tóth   +9 more
wiley   +1 more source

SBS 0335–052 E and W: Implications of new broad-band and Hα photometry [PDF]

Astronomy & Astrophysics, 2004
We present the results of deep multicolour CCD imaging with the 6-m telescope of the pair of extremely metal-deficient gas-rich dwarf galaxies SBS 0335-052 E and W. The total magnitudes in U,B,V,R,I bands and the integrated fluxes of H-alpha emission are measured for both galaxies, and their integrated colours are derived. The analysis of their surface
Pustilnik, S. A., Pramskij, A. G., Kniazev, A. Y.   +2 more
openaire   +2 more sources

Ultra‐Fast and Economical Pre‐Breakdown Electrochemical Synthesis of Intrinsically Conductive Polymer Suspension for Production of Safe Lithium‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This paper presents a breakthrough pre‐breakdown electrochemical method for synthesizing polyNiMeOSalen suspensions, achieving an 83% yield and nanoscale dispersion ($1500/kg) and environmental impact (1.42 kg CO2eq/kg). We report a novel pre‐breakdown electrochemical synthesis method for producing polyNiMeOSalen suspensions with exceptional ...
Evgenii Beletskii, Valentin Romanovski, Mikhail Pinchuk, Vadim Snetov, Alexey Volkov, Peixia Yang, Yurii K. Gun'ko   +6 more
wiley   +1 more source

SNR 1987A: Spitzer Data from Days 6000 to 8000 Revisited

The Astrophysical Journal
An excess emission has been observed by Spitzer in the 3–5 μ m range of the SNR 1987A spectrum. It is generally argued that this excess could be due to the presence of warm amorphous carbon dust in the equatorial ring around the supernova, but the ...
Patrice Bouchet, René Gastaud, Alain Coulais, Richard G. Arendt   +3 more
doaj   +1 more source

Below‐ground drivers of rhizosphere functional gene assembly during Moso bamboo expansion

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Moso bamboo (Phyllostachys edulis) expansion threatens subtropical forest biodiversity, yet how intraspecific root trait variation shapes rhizosphere microbial functional potential remains unclear.
Yaoxing Wu, Zhiying Tang, Jiahuan Guo, Lizheng Fang, Huilin Shu, Lin Yu, Gong Zhang, Jun Deng, Lianghua Qi   +8 more
wiley   +1 more source

Life beyond 30: Probing the −20 < M UV < −17 Luminosity Function at 8 < z < 13 with the NIRCam Parallel Field of the MIRI Deep Survey

The Astrophysical Journal Letters, 2023
We present the ultraviolet luminosity function and an estimate of the cosmic star formation rate density at 8 < z < 13 derived from deep NIRCam observations taken in parallel with the MIRI Deep Survey of the Hubble Ultra Deep Field (HUDF), NIRCam ...
Pablo G. Pérez-González, Luca Costantin, Danial Langeroodi, Pierluigi Rinaldi, Marianna Annunziatella, Olivier Ilbert, Luis Colina, Hans Ulrik Nørgaard-Nielsen, Thomas R. Greve, Göran Östlin, Gillian Wright, Almudena Alonso-Herrero, Javier Álvarez-Márquez, Karina I. Caputi, Andreas Eckart, Olivier Le Fèvre, Álvaro Labiano, Macarena García-Marín, Jens Hjorth, Sarah Kendrew, John P. Pye, Tuomo Tikkanen, Paul van der Werf, Fabian Walter, Martin Ward, Arjan Bik, Leindert Boogaard, Sarah E. I. Bosman, Alejandro Crespo Gómez, Steven Gillman, Edoardo Iani, Iris Jermann, Jens Melinder, Romain A. Meyer, Thibaud Moutard, Ewine van Dishoek, Thomas Henning, Pierre-Olivier Lagage, Manuel Guedel, Florian Peissker, Tom Ray, Bart Vandenbussche, Ángela García-Argumánez, Rosa María Mérida   +43 more
doaj   +1 more source

Kernel regression for determining photometric redshifts from Sloan broad-band photometry [PDF]

Monthly Notices of the Royal Astronomical Society, 2007
We present a new approach, kernel regression, to determine photometric redshifts for 399,929 galaxies in the Fifth Data Release of the Sloan Digital Sky Survey (SDSS). In our case, kernel regression is a weighted average of spectral redshifts of the neighbors for a query point, where higher weights are associated with points that are closer to the ...
Wang, D., Zhang, Y. X., Liu, C., Zhao, Y. H.   +3 more
openaire   +2 more sources

Key metabolites secreted by Chlorella vulgaris alleviate salt stress in soybean seedlings

Journal of Integrative Plant Biology, EarlyView.
Chlorella vulgaris secretes exosome‐derived linolenic acid and inosine, which alleviate salt stress and enhance salt tolerance in soybean seedlings by activating stress‐responsive signaling networks. ABSTRACT Soil salinization is a major abiotic stress factor that reduces soybean production.
Yunyi Shi, Ruitong Chen, Kai Jiang, Aijuan Jiang, Jianchao Yang, Hongli Cui, Min Chen   +6 more
wiley   +1 more source

Postperihelion Cometary Activity on the Outer Main-belt Asteroid 2005 XR132

The Planetary Science Journal
We report comet-like activity on the outer main-belt asteroid 2005 XR _132 discovered by the Lulin One-meter Telescope in early 2021 April. A series of follow-up observations were triggered to characterize the morphology and brightness variation of 2005 ...
Yu-Chi Cheng, Bryce T. Bolin, Michael S. P. Kelley, D. Bodewits, Quanzhi Ye, Christoffer Fremling, Zhong-Yi Lin, Ya-Lin Wu, Reed L. Riddle, Wing-Huen Ip, Steven L. Groom, Russ R. Laher   +11 more
doaj   +1 more source