Results 41 to 50 of about 166,732 (180)

Potential and pitfalls: On the use of transient absorption spectroscopy for in situ and operando studies of photoelectrodes.

Journal of Chemical Physics, 2020
Here, we discuss the application, advantages, and potential pitfalls of using transient UV/Vis (ultraviolet-visible) absorption spectroscopy to study photoelectrodes for water splitting.
Mark Forster, D. W. Cheung, Adrian M. Gardner, Alexander J. Cowan   +3 more
semanticscholar   +1 more source

Follow the Mass—A Concordance Picture of Tidal Disruption Events

The Astrophysical Journal
Three recent global simulations of tidal disruption events (TDEs) have produced, using different numerical techniques and parameters, very similar pictures of their dynamics.
Julian Krolik, Tsvi Piran, Taeho Ryu
doaj   +1 more source

Spherical Bi₂WO₆/Bi₂S₃/MoS₂ n-p Heterojunction with Excellent Visible-Light Photocatalytic Reduction Cr(VI) Activity

Nanomaterials, 2020
Exploiting excellent photocatalytic activity and stable heterostructure composites are of critical importance for environmental sustainability. The spherical Bi2WO6/Bi2S3/MoS2 n-p heterojunction is first prepared via an in situ hydrothermal method using ...
Jing Ren, Tingting Hu, Qinghua Gong, Qian Wang, Bin Sun, Tingting Gao, Pei Cao, Guowei Zhou   +7 more
doaj   +1 more source

The gamma-ray observatory [PDF]

, 1991
An overview is given of the Gamma Ray Observatory (GRO) mission. Detection of gamma rays and gamma ray sources, operations using the Space Shuttle, and instruments aboard the GRO, including the Burst and Transient Source Experiment (BATSE), the Oriented ...

core   +1 more source

Comparative Analysis of a Transition Region Bright Point with a Blinker and Coronal Bright Point Using Multiple EIS Emission Lines [PDF]

, 2013
Since their discovery twenty year ago, transition region bright points (TRBPs) have never been observed spectroscopically. Bright point properties have not been compared with similar transition region and coronal structures.
Chesny, David L., Hesterly, Katie, Neira, Chantale, Oluseyi, Hakeem M., Orange, N. Brice, Patel, Maulik, Preuss, Lauren, Turner, Niescja E.   +7 more
core   +3 more sources

Eight Years of Light from ASASSN-15oi: Toward Understanding the Late-time Evolution of TDEs

The Astrophysical Journal
We present results from an extensive follow-up campaign of the tidal disruption event (TDE) ASASSN-15oi spanning δt  ∼ 10–3000 days, offering an unprecedented window into the multiwavelength properties of a TDE during its first ≈8 yr of evolution. ASASSN-
A. Hajela, K. D. Alexander, R. Margutti, R. Chornock, M. Bietenholz, C. T. Christy, M. Stroh, G. Terreran, R. Saxton, S. Komossa, J. S. Bright, E. Ramirez-Ruiz, D. L. Coppejans, J. K. Leung, Y. Cendes, E. Wiston, T. Laskar, A. Horesh, G. Schroeder, Nayana A. J., M. H. Wieringa, N. Velez, E. Berger, P. K. Blanchard, T. Eftekhari, S. Gomez, M. Nicholl, H. Sears, B. A. Zauderer   +28 more
doaj   +1 more source

The prompt optical/near-infrared flare of GRB 050904: the most luminous transient ever detected [PDF]

, 2006
With a redshift of z=6.295, GRB 050904 is the most distant gamma-ray burst ever discovered. It was an energetic event at all wavelengths and the afterglow was observed in detail in the near-infrared bands.
Bolzonella M., D. A. Kann, N. Masetti, S. Klose, Totani T.   +4 more
core   +2 more sources

Where does the physics of extreme gravitational collapse reside? [PDF]

, 2015
The gravitational collapse of massive stars serves to manifest the most severe deviations of general relativity with respect to Newtonian gravity: the formation of horizons and spacetime singularities.
Barceló, Carlos, Carballo-Rubio, Raúl, Garay, Luis J.   +2 more
core   +4 more sources

Ultraviolet Quasiperiodic Eruptions from Star–Disk Collisions in Galactic Nuclei

The Astrophysical Journal Letters
“Quasiperiodic eruptions” (QPE) are recurrent nuclear transients with periods of several hours to almost a day, which thus far have been detected exclusively in the X-ray band.
Itai Linial, Brian D. Metzger
doaj   +1 more source

Phase-Matching for Generation of Isolated Attosecond XUV and Soft-X-Ray Pulses with Few-Cycle Drivers

Physical Review X, 2020
Isolated attosecond pulses (IAPs) produced through laser-driven high-harmonic generation (HHG) hold promise for unprecedented insight into physical, chemical, and biological processes via attosecond x-ray diffraction and spectroscopy with tabletop ...
J. Schötz, B. Förg, W. Schweinberger, I. Liontos, H. A. Masood, A. M. Kamal, C. Jakubeit, N. G. Kling, T. Paasch-Colberg, S. Biswas, M. Högner, I. Pupeza, M. Alharbi, A. M. Azzeer, M. F. Kling   +14 more
doaj   +1 more source