Results 81 to 90 of about 3,155 (197)

Quality upgrades and bypass under mandatory access

, 2011
Access regulation, Quality upgrades, Investment bypass, L41, L43, L51, L96,
João Vareda
core   +1 more source

Double “acct”: A Distinct Double-peaked Supernova Matching Pulsational Pair Instability Models

The Astrophysical Journal Letters
We present multiwavelength data of SN 2020acct, a double-peaked stripped-envelope supernova (SN) in NGC 2981 at ∼150 Mpc. The two peaks are temporally distinct, with maxima separated by 58 rest-frame days and a factor of 20 reduction in flux between. The
C. R. Angus, S. E. Woosley, R. J. Foley, M. Nicholl, V. A. Villar, K. Taggart, M. Pursiainen, P. Ramsden, S. Srivastav, H. F. Stevance, T. Moore, K. Auchettl, W. B. Hoogendam, N. Khetan, S. K. Yadavalli, G. Dimitriadis, A. Gagliano, M. R. Siebert, A. Aamer, T. de Boer, K. C. Chambers, A. Clocchiatti, D. A. Coulter, M. R. Drout, D. Farias, M. D. Fulton, C. Gall, H. Gao, L. Izzo, D. O. Jones, C.-C. Lin, E. A. Magnier, G. Narayan, E. Ramirez-Ruiz, C. L. Ransome, A. Rest, S. J. Smartt, K. W. Smith   +37 more
doaj   +1 more source

Coexistence of Antisunward and Sunward Ion Cyclotron Waves in the Near-Sun Solar Wind: Excitation by the Proton Cyclotron Instability

The Astrophysical Journal Letters
Based on observations from the Parker Solar Probe in the near-Sun solar wind, this study identifies an ion-scale wave event characterized by two distinct frequency bands.
Chen Shi, Jinsong Zhao, Si Liu, Fuliang Xiao, Yifan Wu, Trevor A. Bowen, Roberto Livi, S. D. Bale   +7 more
doaj   +1 more source

A note on cartel stability and endogenous sequencing with tacit collusion

Collusion, Cartel stability, Stackelberg leadership, L11, L41, D43,
Marc Escrihuela-Villar
core   +1 more source

Modeling Time-variable Elemental Abundances in Coronal Loop Simulations

The Astrophysical Journal Letters
Numerous recent X-ray observations of coronal loops in both active regions and solar flares have shown clearly that elemental abundances vary with time.
Jeffrey W. Reep, John Unverferth, Will T. Barnes, Sherry Chhabra   +3 more
doaj   +1 more source

The High-Redshift Gas-Phase Mass–Metallicity Relation in FIRE-2

The Astrophysical Journal Letters
The unprecedented infrared spectroscopic capabilities of JWST have provided high-quality interstellar medium metallicity measurements and enabled characterization of the gas-phase mass–metallicity relation (MZR) for galaxies at z ≳ 5 for the first time ...
Andrew Marszewski, Guochao Sun, Claude-André Faucher-Giguère, Christopher C. Hayward, Robert Feldmann   +4 more
doaj   +1 more source

Einstein Probe Discovery of EP J182730.0−095633: A New Black Hole X-Ray Binary Candidate in Faint Outburst?

The Astrophysical Journal Letters
Black hole X-ray binaries (candidates) currently identified in our Galaxy are mainly transient sources, with the majority discovered through the detection of their X-ray outbursts.
H. Q. Cheng, Q. C. Zhao, L. Tao, H. Feng, F. Coti Zelati, H. W. Pan, A. L. Wang, Y. N. Wang, M. Y. Ge, A. Rau, A. Marino, L. Zhang, W. J. Zhang, F. Carotenuto, L. Ji, C. C. Jin, D. Y. Li, B. F. Liu, Y. Liu, E. L. Qiao, N. Rea, R. Soria, S. Wang, Z. Yan, W. Yuan, B. Zhang, G. B. Zhang, S. N. Zhang, W. D. Zhang, A. Beardmore, J. S. Bright, X. L. Chen, Z. Fan, S. Y. Fu, J. P. U. Fynbo, J. W. Hu, J. J. Jin, P. G. Jonker, A. K. H. Kong, E. Kuulkers, C. K. Li, H. L. Li, Z. K. Lin, C. X. Liu, H.-Y. Liu, J. Z. Liu, X. W. Liu, Z. Lu, C. Maitra, H. Y. Mu, C.-Y. Ng, Y. L. Qiu, S. Tinyanont, Y. Wang, S. X. Wen, S. S. Weng, Jianfeng Wu, D. Xu, Y. K. Yan, Z. Yan, Y.-P. Yang, P. Zhang, S. Zhang, Q. Zhao, Z. M. Cai, Y. Chen, Y. F. Chen, C. Z. Cui, W. W. Cui, H. B. Hu, M. H. Huang, S. M. Jia, G. Jin, Z. X. Ling, H. Q. Liu, S. L. Sun, X. J. Sun, Y. F. Xu, C. Zhang, M. Zhang, Y. H. Zhang   +80 more
doaj   +1 more source

Ubiquitous Occurrences of Multiscale Layers of Magnetic Reconnection across a Solar Wind Stream Interaction Region at 1 au

The Astrophysical Journal Letters
We present a first record of significantly enhanced occurrences of magnetic reconnection exhausts as measured by the Wind satellite across a stream interaction region (SIR) at 1 au from 2019 January 4 10:11:20 UT to 2019 January 5 09:58:00 UT.
S. Eriksson, A. Chasapis, A. Mallet, M. Swisdak   +3 more
doaj   +1 more source

Ubiquitous Small-scale Dynamics in the Slow Solar Wind Formation Region Observed by Proba-3/ASPIICS

The Astrophysical Journal Letters
The origin of the slow solar wind remains a subject of ongoing debate. Several mechanisms have been proposed: the large expansion factor of open magnetic field in the corona, interchange reconnection between open and closed field lines in streamers and ...
A. N. Zhukov, B. D. Patel, A. Debrabandere, L. Dolla, M. Mierla, S. Shestov, B. Bourgoignie, C. Jean, B. Nicula, D.-C. Talpeanu, Z. Zontou, S. Fineschi, S. Gunár, P. Lamy, H. Peter, P. Rudawy, K. Tsinganos, L. Abbo, C. Aime, V. Andretta, F. Auchère, D. Berghmans, D. Beşliu-Ionescu, S. E. Gibson, S. Giordano, P. Heinzel, B. Inhester, J. Magdalenić, C. Marqué, L. Rodriguez, M. Steślicki, L. Zangrilli, D. Galano, R. Rougeot, J. Versluys, C. Thizy   +35 more
doaj   +1 more source

Mergers in asymmetric Stackelberg markets

Mergers, Asymmetries, Stackelberg, L13, L40, L41,
Ramon Faulí-Oller, Marc Escrihuela-Villar   +1 more
core   +1 more source