Results 31 to 40 of about 2,594,640 (261)
Gamma Ray Burst Beaming Constraints from Afterglow Light Curves: GRB 970508
, 1999 The beaming angle (zeta) is the main uncertainty in gamma ray burst energy requirements today. We summarize predictions for the light curves of beamed bursts, and model the R band light curve of GRB 970508 to derive zeta > 30 degrees.
Rhoads, James E.
core +1 more source
Discovery of an unusual bright eclipsing binary with the longest known period: TYC 2505-672-1 / MASTER OT J095310.04+335352.8 [PDF]
, 2016 We report on the MASTER Global Robotic Net discovery of an eclipsing binary, MASTER OT J095310.04+335352.8, previously known as unremarkable star TYC 2505-672-1, which displays extreme orbital parameters.
Afanasiev, V. +18 more
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UBV Light Curves of the Eclipsing Binary SW Lacertae [PDF]
Journal of Astronomy and Space Sciences, 1988 New differential photoelectric observations in UBV system of the W UMa-type eclipsing binary SW Lac are presented. The data were obtained on 4 nights from October to December in 1987 using the 61 cm reflector at Sobaeksan Astronomical Observatory.
Won-Yong Han +4 more
doaj
Temporal Decomposition Studies of GRB Lightcurves
, 2013 Gamma-ray bursts (GRB) are extremely energetic events and produce highly diverse light curves. Light curves are believed to be resulting from internal shocks reflecting the activities of the GRB central engine.
Bhat, Narayana P.
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Period Variations of RT Persei [PDF]
Journal of Astronomy and Space Sciences, 1995 RT Per has been known as a close binary of which the orbital period has unpredictably varied so far. Although there are no agreements with the working mechanism for the changes of the period, two interpretations have been suggested and waiting for to be ...
Chun-Hwey Kim
doaj
Secure Visible Light Communication System via Cooperative Attack Detecting Techniques
IEEE Access, 2022 With the recent development of fourth industrial technology, the need for a broadband short-range wireless communication system to realize an ultraconnected, ultra-low latency, and ultra-realistic intelligent information society has emerged.
So-Hyun Park, Soyoung Joo, Il-Gu Lee
doaj +1 more source
Phase diagram of SU(2) with 2 flavors of dynamical adjoint quarks [PDF]
, 2008 We report on numerical simulations of SU(2) lattice gauge theory with two flavors of light dynamical quarks in the adjoint of the gauge group. The dynamics of this theory is thought to be very different from QCD -- the theory exhibiting conformal or near
Catterall, Simon +3 more
core +3 more sources
Photoelectric Observations of Close Binary AG Persei and its Apsidal Motion Analysis [PDF]
Journal of Astronomy and Space Sciences, 1996 A total of 546 UBV photoelectric observations of AG Per was carried out from January to December in 1993 at Chungbuk National University Observatory. With our observations, UBV light curves were constructed, three minimum times of JDHel.
K. H. Lee, J. H. Jeong
doaj
The Light and Period Variations of the Eclipsing Binary BX Draconis
, 2012 New CCD photometric observations of BX Dra were obtained for 26 nights from 2009 April to 2010 June. The long-term photometric behaviors of the system are presented from detailed studies of the period and light variations, based on the historical data ...
Jeon, Young-Beom +4 more
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First photometric study of the eclipsing binary PS Persei
, 2010 The CCD photometric observations of the eclipsing binary PS Persei (PS Per) were obtained on two consecutive days in 2009. The 2003 version Wilson-Devinney code was used to analyze the first complete light curves in $V$ and $R$ bands. It is found that PS
Agerer +21 more
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