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Optical photometric and spectral study of the new FU Orionis object V2493 Cygni (HBC 722)
Aims. We present new results from optical photometric and spectroscopic observations of the eruptive pre-main sequence star V2493 Cyg (HBC 722). The object has continued to undergo significan tExpand
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A POSSIBLE DETECTION OF OCCULTATION BY A PROTO-PLANETARY CLUMP IN GM Cephei
GM Cephei (GM Cep), in the young ({approx}4 Myr) open cluster Trumpler 37, has been known to be an abrupt variable and to have a circumstellar disk with a very active accretion. Our monitoringExpand
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Long-term photometric study of FK Comae Berenices and HD 199178
Aims. The rapidly rotating active stars FK Com and HD 199178 are investigated using extensive long-term photometry. The data set includes previously unpublished photometry, obtained at the RozhenExpand
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TREE-RING FEATURES: INDICATORS OF EXTREME EVENT IMPACTS
Wood anatomical features may be visible on the microscopic as well as on the macroscopic scale. While the former can often be quantified by detailed wood anatomical analyses, the latter are oftenExpand
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Photometric and spectroscopic variability of the FUor star V582 Aurigae
Kiso Observatory, Institute of Astronomy, School of Science, the University of Tokyo, Mitake-mura, Kiso-gun, Nagano-ken 397-0101, JapanReceived ; acceptedABSTRACTAims.We present results from opticalExpand
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Deep-Submicron MOS Transistor Matching: A Case Study
  • D. Dimitrov
  • Computer Science
  • 11th IEEE Workshop on Design and Diagnostics of…
  • 16 April 2008
TLDR
This article sets out to evaluate the MOS transistor mismatch in a standard 0.18 mum CMOS technology. Expand
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Eight-Bit Semiflash A/D Converter
TLDR
An 8-bit semiflash ADC is reported that uses a single array of 15 comparators for both the coarse and the fine conversion. Expand
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Numerical simulation of high-power virtual-cathode reflex triode driven by repetitive short pulse electron gun
A virtual-cathode reflex triode is investigated by numerical simulations. A trapezoidal in shape voltage pulse with an amplitude of 300 kV is applied to the solid cathode of the device to drive theExpand
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