activity
19982025
most citedA Population of Radio-loud Narrow Line Seyfert 1 Galaxies with Blazar-like Properties?

278 citations · 4.4k across the 91 of their papers we have counts for

collaborators
Showing astro-phShow all

8 papers · 1 filter

astro-ph2008★ 278 cited

A Population of Radio-loud Narrow Line Seyfert 1 Galaxies with Blazar-like Properties?

W. Yuan, H. Y. Zhou, S. Komossa +4

(abridged) We present a comprehensive study of a sample of 23 genuine radio-loud NLS1 galaxies which have the radio-loudness parameters greater than 100. The radio sources of the s…

astro-ph2008★ 122 cited

Optical Intra-day Variability in Blazars

A. C. Gupta, J. H. Fan, J. M. Bai +1

We selected a sample of a dozen blazars which are the prime candidates for simultaneous multi-wavelength observing campaigns in their outburst phase. We searched for optical outbur…

astro-ph2008★ 35 cited

Multi-color Optical Variability of the TeV Blazar Mrk 501 in the Low-State

A. C. Gupta, W. G. Deng, U. C. Joshi +2

We report results based on the monitoring of the BL Lac object Mrk 501 in the optical (B, V and R) passbands from March to May 2000. Observations spread over 12 nights were carried…

astro-ph2007★ 12 cited

How many radio-loud quasars can be detected by the Gamma-Ray Large Area Space Telescope?

Xinwu Cao, J. M. Bai

In the unification scheme, radio quasars and FR II radio galaxies come from the same parent population, but viewed at different angles. Based on the Comptonization models for the g…

astro-ph2006★ 2 cited

Jet Sideways Expansion Effect on Estimating the Gamma-Ray Burst Efficiency

Xiaohong Zhao, J. M. Bai

The high efficiency of converting kinetic energy into gamma-rays estimated with late-time afterglows in Gamma-Ray Burst (GRB) phenomenon challenges the commonly accepted internal-s…

astro-ph2001★ 6 cited

Existence of Large Scale Synchrotron X-ray Jets in Radio-loud Active Galactic Nuclei

J. M. Bai, Myung Gyoon Lee

In this paper, analytical arguments are presented that there exists a synchrotron X-ray jet on large scales in most radio-loud AGNs, based on the knowledge of the nature and physic…