搜索结果: 1-15 共查到“空间天文学 X-rays”相关记录15条 . 查询时间(0.046 秒)
A “beautiful effect” predicted by quantum electrodynamics (QED) can explain the puzzling first observations of polarized X-rays emitted by a magnetar – a neutron star featuring a powerful magnetic fie...
EUSO: using high energy cosmic rays and neutrinos as messengers from the unknown universe
fluorescence cosmic rays neutrinos extensive air showers
2015/9/16
Exploiting the earth atmosphere as a giant detector for the incoming extraterrestrial fl ux of high energy cosmic rays
and cosmic neutrinos, the mission «EUSO-Extreme Universe Space Observatory&...
UNH scientist: Cosmic rays threaten future deep-space astronaut missions（图）
Cosmic rays astronauts
2014/12/1
DURHAM, N.H. –- Crewed missions to Mars remain an essential goal for NASA, but scientists are only now beginning to understand and characterize the radiation hazards that could make such ventures risk...
Highly-detailed radio-telescope images have pinpointed the locations where a stellar explosion called a nova emitted gamma rays, the most energetic form of electromagnetic waves. The discovery reveale...
A Hotspot for Powerful Cosmic Rays PHYSICISTS A STEP CLOSER TO FINDING MYSTERIOUS SOURCES
The universe Ray Hot spots. Mysterious The big dipper. High-energy cosmic rays The sun
2014/7/18
July 8, 2014 – An observatory run by the University of Utah found a “hotspot” beneath the Big Dipper emitting a disproportionate number of the highest-energy cosmic rays. The discovery moves physics a...
The New Generation Atlas of Quasar Spectral Energy Distributions from Radio to X-rays
Generation Atlas Spectral Energy Distributions Radio
2011/9/30
We have produced the next generation of quasar spectral energy distributions (SEDs), essentially updating the work of Elvis et al. (1994) by using high-quality data obtained with several space and gro...
Multi-parametric Effect of Solar Activity on Cosmic Rays
Sun solar parameters cosmic ray modulation running multiple correlation method
2010/9/16
The long-term modulation of cosmic ray intensity (CRI) by different solar activity (SA) parameters and an inverse correlation between individual SA parameter and CRI is well known. Earlier, it has bee...
One way to assess a drug’s effectiveness is to image the changes that it produces in the tissue of patients. But this is very challenging in the case of Alzheimer’s disease, because conventional tools...
The Cassiopeia A Supernova Remnant in X-Rays。
Using x-rays to probe the compact binary content of Globular clusters
x-rays binary content Globular clusters
2009/6/17
Using x-rays to probe the compact binary content of Globular clusters。
Cygnus x-3：orbital modulation in x-rays and radio。
The field of Very High Energy (VHE) gamma ray astronomy
using the Atmospheric Cerenkov Technique has entered an interesting
phase with detection of various galactic and extragalactic sources. Among
...
Spectral Variability in Hard X-rays and the Evidence for a 13.5 Years Period in the Bright Quasar 3C273
Galaxies individual 3C273—X-rays
2009/5/19
We report the observation of nearest quasar 3C273 made
with LASE instrument on November 20th, 1998 as a part of our continuing
programme of balloon borne hard X-ray observations in the 20–200 keV
b...
SphinX：A Fast Solar Photometer in X-rays
Sun: X-rays spectrophotometer high time resolution
2009/5/6
The scientific goals and construction details of a new design,
Polish X-ray spectrophotometer are given. It will be incorporated within
the Russian TESIS X and EUV complex aboard the forthcoming COR...
期刊信息
篇名
The Gamma-ray Bright Blazars: Spectral Properties in X-Rays and Gamma-Rays
语种
英文
撰写或编译
撰写
作者
戴本忠、张力
第一作者单位
云南大学物理学
刊物名称
PASJ
页面
939-945
出版日期
2003年
10月
日
文章标识(ISSN)
0004-6264
相关项目
γ噪blazar天体快速光...