Results 61 to 70 of about 214,668 (294)

MOXE: An X-ray all-sky monitor for Soviet Spectrum-X-Gamma Mission [PDF]

, 1989
A Monitoring Monitoring X-Ray Equipment (MOXE) is being developed for the Soviet Spectrum-X-Gamma Mission. MOXE is an X-ray all-sky monitor based on array of pinhole cameras, to be provided via a collaboration between Goddard Space Flight Center and Los ...
Fenimore, E. E., Holt, S. S., Kelley, R. L., Moss, C. E., Priedhorsky, W.   +4 more
core   +1 more source

The Chandra ACIS Survey of M33 (ChASeM33): Transient X-ray Sources Discovered in M33

, 2008
The Chandra ACIS Survey of M33 (ChASeM33) has acquired 7 fields of ACIS data covering M33 with 200 ks of exposure in each field. A catalog from the first 10 months of data, along with archival Chandra observations dating back to the year 2000, is ...
Avi Shporer, Benjamin F. Williams, Cote J., Frank Haberl, Heise J., Kahabka P., Manami Sasaki, Parviz Ghavamian, Paul P. Plucinsky, Shahbaz T., T. Mazeh, Terrance J. Gaetz, Thomas G. Pannuti, van Paradijs J., Wolfgang Pietsch   +14 more
core   +1 more source

Prediction of Surface Topography Parameters in Direct Laser Interference Patterning of Stainless Steel Using Infrared Monitoring and Convolutional Neural Networks

Advanced Engineering Materials, EarlyView.
This study presents an infrared monitoring approach for direct laser interference patterning (DLIP) combined with a convolutional neural network (CNN). Thermal emission data captured during structuring are used to predict surface topography parameters.
Lukas Olawsky, Marcelo Sallese, Leander Kläber, Clemens Kuhn, Keming Du, Andrés Fabián Lasagni   +5 more
wiley   +1 more source

Hubble Constant Measurement from Quasiperiodic Eruptions as Electromagnetic Counterparts to Extreme Mass Ratio Inspirals

The Astrophysical Journal
Gravitational waves (GWs) accompanied by electromagnetic counterparts, known as bright sirens, provide a novel methodology to measure the Hubble constant ( H _0 ).
Yejing Zhan, Di Wang, Shuang-Xi Yi, Fa-Yin Wang   +3 more
doaj   +1 more source

Transient X-ray sources in the galactic plane

The Astrophysical Journal, 1978
Uhuru observations of the galactic plane indicate the presence of four X-ray sources not previously characterized as transient: MX 0836-42, A1918+14, 4U 1730-22, and 4U 1807-10. X-ray light curves as well as positional and spectral information are presented for these sources and for 4U 1908+00, a recurrent transient source. The frequency, duration, and
L. Cominsky, C. Jones, W. Forman, H. Tananbaum   +3 more
openaire   +1 more source

X-ray outbursts of AXPs and SGRs [PDF]

, 2010
We show that the X‐ray enhancement light curves of transient AXP∕SGRs can be reproduced by the active fallback disk model. We solve the diffusion equation for the relaxation of a disk that has been pushed back by a soft gamma‐ray burst.
Caliskan, Sirin, Ertan, Unal, Ertan, Ünal, Çalışkan, Şirin   +3 more
core   +1 more source

Influence of Sample Preparation and Processing Procedures on the Thermal Diffusivity of MgO‐C Refractories

Advanced Engineering Materials, EarlyView.
The thermal diffusivity of MgO‐C refractories is highly sensitive to sample preparation and processing procedures. In this article, the effects of coking sequence, machining conditions, structural inhomogeneity, and graphite coating application on measurements using laser flash apparatus are systematically investigated.
Luyao Pan, Rhena Wulf, Till M. J. Stadtmüller, Christos G. Aneziris, Tobias M. Fieback   +4 more
wiley   +1 more source

Monitoring the X-Ray Variability of Bright X-Ray Sources in M33

The Astrophysical Journal
We present a new five-epoch Chandra X-ray Observatory monitoring survey of the nearby spiral galaxy M33 which probes X-ray variability with time sampling between two weeks and four months.
Rebecca Kyer, Shelby Albrecht, Benjamin F. Williams, Kyros Hinton, Breanna Binder, Margaret Lazzarini, Kristen Garofali, Bret Lehmer, Michael Eracleous, Paul P. Plucinsky, Vallia Antoniou   +10 more
doaj   +1 more source

Live to Die Another Day: The Rebrightening of AT 2018fyk as a Repeating Partial Tidal Disruption Event

The Astrophysical Journal Letters, 2023
Stars that interact with supermassive black holes (SMBHs) can be either completely or partially destroyed by tides. In a partial tidal disruption event (TDE), the high-density core of the star remains intact, and the low-density outer envelope of the ...
T. Wevers, E. R. Coughlin, D. R. Pasham, M. Guolo, Y. Sun, S. Wen, P. G. Jonker, A. Zabludoff, A. Malyali, R. Arcodia, Z. Liu, A. Merloni, A. Rau, I. Grotova, P. Short, Z. Cao   +15 more
doaj   +1 more source

Investigation of Laser Ablation and Brush Pre‐Treatments for AlCu Cold Roll Bonding in Oxygen‐Free Conditions

Advanced Engineering Materials, EarlyView.
It is shown that laser ablation pretreatment under oxygen‐free conditions enables copper–aluminium bonding at significantly lower deformation degrees and improved properties compared to mechanical brushing. Laser ablation further increases interface contact area and induces favourable residual stress states and microstructural compatibility ...
Khemais Barienti, Finn‐Lennard Janthur, Selina Raumel, Sascha Jan Zimmermann, Sarah Seffer, René Gustus, Sebastian Herbst, Marc C. Wurz, Ludger Overmeyer, Wolfgang Maus‐Friedrichs, Hans Jürgen Maier, Florian Nürnberger   +11 more
wiley   +1 more source