类星体

这种物体多数是一个发射巨大能量（包括射电、红外线、紫外线、X射线和伽玛射线在内）的类星体。

The most powerful such object is a quasar , which emits a huge amount of radio , infrared , ultraviolet , X-ray , and gamma-ray energy .

类星体3C286的一个早期VLBI观测结果

An Early VLBI Observation of the Quasar 3C 286

宽吸收线类星体的X-ray研究进展

Recent progress on the BAL QSOs research from X ray observations

类星体的X射线辐射1.光度性质和演化

X-ray Emission of Quasars 1 . Properties and Evolution of X-ray Luminosity

X射线选择类星体的一些性质

Some Properties of X - ray Selected Quasars

类星体对1146+111B，C是否为第七个引力透镜的像？

Are the Pair of Quasars 1146 + 111B , C the Two Images of the Seventh Gravitational Lens System ?

类星体的X射线辐射研究

X-ray studies of quasars

类星体光谱的MonteCarlo模拟及高红移类星体颜色法巡天中的选择效应

Discussions on Selection Effects of Multicolor Survey for High Redshift QSOs by Using Monte-Carlo Simulations

然而，类星体的光学和X射线辐射会受到周围高柱密度尘埃和气体的屏蔽。

However , the X-ray and optical emission of AGNs can be absorbed by obscuring columns of dust and gas .

类星体样本的不完备性补偿因子和V/V（max）分析

Factors for Incompleteness of QSO 's Sample and V / V_ ( max ) Analysis

四个PG类星体的谱能结构与红外辐射机制

The Continuum Energy Distributions of Four PG Quasars and Their Infrared Radiative Mechanism

PG类星体的红外连续辐射能谱

Infrared continuum energy distribution of PG quasars

编队星载GNSS观测数据的建模与仿真类星体的月星掩测定

Modeling and Simulation of Spaceborne GNSS Observation Data of Formation Flying Satellites

类星体高分辨率光谱中Lyα森林的接近效应

The Proximity Effect of Ly α Forest in High-resolution Spectra of Quasars

新发现的6个X选类星体和1个Seyfert星系

Discovery of Six New X ray selected Quasars and a New Seyfert Galaxy from the ROSAT All Sky Survey

这17个PG类星体中的绝大部分表现出光谱斜率和静止坐标系5100（？）处连续谱流量的反相关。

Most of these 17 PG QSOs show anti-correlation between the spectral slope and the rest-frame 5100 (?) continuum flux .

11个类星体、3个BLLac天体和1个射电星系的Υ射线辐射已得到证认。

Gamma-ray emissions from 11 quasars , 3 BL Lac Objects and 1 radiogalaxy have been identified .

本文讨论了16个红外强PG类星体的红外辐射能谱。

In this paper , we study the IR spectral energy distribution of 16 PG quasars which have strong infrared radiation .

本文回顾了已有的利用类星体各种子集来确定宇宙减速因子q0的工作，并对q0重新作了统一的归算。

Published determinations of the deceleration parameter q_0 based on various selected subsets are reviewed and a uniform re-determination is made according to a procedure given in [ 1 ] .

类星体和X射线双星等很多宇宙中的天体系统的能量都来源于引力能，而吸积正是释放引力能的一种有效机制。

Gravitational energy is the energy source of many astrophysical systems in the universe , such as quasar and X-ray binaries , etc , and accretion is an effective mechanism of releasing gravitational energy .

类星体和Seyfert星系是两类AGN。

Quasars and Seyfert galaxies are two types of AGN .

Virgo星系团中星系与类星体成协鱼腥草紫斑病在田间具多次再侵染。

Association Between QSOs and Galaxies in the Field of the Virgo Cluster There is reinfection in field .

活动星系核分为类星体，塞弗特星系，射电星系，Blazar，Liner等。

The active galactic nucleus divides into QSO , Seyfert galaxies , radio galaxy , Blazar , Liner and so on .

对于在早期的宇宙之中，为何类星体比现今的AGN还要来得强大，天文学家曾感到十分惊讶。

Astronomers have wondered why quasars in the early universe were much more powerful than present-day AGNs .

本文简介近年来在类星体的形态、红移、连续谱、X射线、巡天和面密度以及演化等方面的研究所取得的进展。

This paper reviews some progresses in the field of quasar research made in recent years in morphology , redshift controversy , continuous spectrum , x-ray emission , optical survey , surface density and evolution of luminosity function , etc.

不同类型Abell团与类星体的成协

The Association of Different Types of Abell Clusters and QSOs

九个类星体的氢Lα吸收线的统计研究

The statistical analysis of La absorption lines from a uniform sample of nine high redshift QSOs

这些结果为解释BLLac天体、Seyfert星系及类星体等活动星系核的光变现象进一步提供了理论依据。

Those results are very useful to the explanation of the luminosity variations of BL Lac objects , Seyfert galaxies and quasars .

按照数据挖掘的一般流程，对晚型星和类星体两类星体的的光谱数据进行特征提取，主要利用PCA方法进行降维处理，以适应分类需要。

Accord to the general process of Data Mining , use PCA dimensionality reduction processing to do feature extraction of late-type stars and quasars two quasars spectral data to meet classification needs .

类星体和活动星系核结构的变化及其中的视超光速运动，被认为是用VLBI方法所揭示的最重大的天体物理现象之一。

The structural variations and superluminal motion within some QSSs and AGNs are considered as one of the most important astrophysical phenomena revealed by VLBI .