搜索结果: 1-7 共查到“天文学 seyfert 1 galaxies”相关记录7条 . 查询时间(0.015 秒)
Very Long Baseline Array Imaging of Parsec-scale Jet Structures in Radio-loud Narrow-line Seyfert 1 Galaxies
Long Baseline Array Imaging Radio-loud Narrow-line Seyfert
2011/10/21
We conducted very long baseline interferometry (VLBI) observations of five radio-loud narrow-line Seyfert 1 (NLS1) galaxies in milliarcsecond resolutions at 1.7 GHz (18 cm) using the Very Long Baselin...
Narrow-line Seyfert 1 galaxies: an amasing class of AGN
Masers – Galaxies: active – Galaxies: nuclei – Galaxies: Seyfert – Radio lines: galaxies
2011/10/21
Narrow-line Seyfert 1 (NLS1) galaxies are a class of active galactic nuclei (AGN) that have all the properties of type 1 Seyfert galaxies but show peculiar characteristics, including the narrowest Bal...
On the BH-galaxy relation of AGN and Narrow Line Seyfert 1 Galaxies
BH-galaxy relation AGN Narrow Seyfert Galaxies
2011/10/12
Massive black holes (BHs) are detected in the centers of many nearby galaxies are linearly correlated with the luminosity of the host bulge (spheroid), the black hole mass being about 0.1% of the stel...
The Difference in Narrow Fe KαLine Emission Between Seyfert 1 and Seyfert 2 Galaxies
Narrow Fe KαLine Emission Seyfert 1 Seyfert 2 Galaxies
2011/1/10
We compile a sample of 89 Seyfert galaxies with both [OIV] 25.89 um line luminosities observed by Spitzer IRS and X-ray spectra observed by XMM EPIC. Using [OIV] emission as proxy of AGN intrinsic lum...
X-Ray Properties of Narrow-Line Seyfert 1 Galaxies with Very Small Broad-Line Widths
galaxies active— galaxies Seyfert — X-rays galaxies
2010/11/16
Narrow-line Seyfert 1 galaxies (NLS1s) with very small broad-line widths (say,FWHM(H ) . 1200 kms-1) represent the extreme type of Seyfert 1 galaxies that have small black hole masses (MBH) and/or hig...
Narrow-line Seyfert 1 Galaxies。
Narrow-line seyfert 1 galaxies：the [O III] λ5007/Hβ ratio and photoionization models for the nlr
seyfert 1 galaxies photoionization models λ5007/Hβ ratio
2009/6/5
Narrow-line seyfert 1 galaxies：the [O III] λ5007/Hβ ratio and photoionization models for the nlr。