Estimating Black Hole Masses of AGNs using Ultraviolet Emission Line Properties

2006 ◽  
Vol 6 (4) ◽  
pp. 396-410 ◽  
Author(s):  
Min-Zhi Kong ◽  
Xue-Bing Wu ◽  
Ran Wang ◽  
Jin-Lin Han
Keyword(s):  
Black Hole ◽  
Emission Line ◽  
Ultraviolet Emission ◽  
Black Hole Masses

scholarly journals Black hole masses from emission‐line widths

2021 ◽  
Author(s):  
Elena Dalla Bontà ◽  
Bradley M. Peterson
Keyword(s):  
Black Hole ◽  
Emission Line ◽  
Line Widths ◽  
Black Hole Masses

THE RELATIONSHIP AMONG XBLs, RBLs AND FSRQs

2010 ◽  
Vol 19 (06) ◽  
pp. 909-915
Author(s):  
HONG-GUANG WANG ◽  
JUN-HUI FAN ◽  
YONG HUANG ◽  
JING PAN ◽  
JIANG-HE YANG
Keyword(s):  
Black Hole ◽  
Emission Line ◽  
Central Black Hole ◽  
Bl Lacertae Objects ◽  
X Ray ◽  
Bolometric Luminosity ◽  
Bl Lacertae ◽  
Spectrum Radio ◽  
The Relationship ◽  
Black Hole Masses

In this work, we revisited the relationship between the subclasses of blazars (X–ray selected BL Lacertae objects (XBLs), radio selected BL Lacertae objects (RBLs), and flat spectrum radio quasars (FSRQs)) based on a sample of blazars. We found that the FSRQs–RBLs–XBLs relationship is clear in their bolometric luminosity, emission line luminosity and the accretion ratio with V FSRQs > V RBLs > V XBLs , where V stands for the three parameters. However, there is no clear difference amongst their central black hole masses. The bolometric luminosity is closely correlated with the emission line luminosity and the accretion ratio.

scholarly journals ESTIMATING BLACK HOLE MASSES IN ACTIVE GALACTIC NUCLEI USING THE Mg II λ2800 EMISSION LINE

2009 ◽  
Vol 707 (2) ◽  
pp. 1334-1346 ◽  
Author(s):  
Jian-Guo Wang ◽  
Xiao-Bo Dong ◽  
Ting-Gui Wang ◽  
Luis C. Ho ◽  
Weimin Yuan ◽  
...  
Keyword(s):  
Black Hole ◽  
Emission Line ◽  
Active Galactic Nuclei ◽  
Galactic Nuclei ◽  
Black Hole Masses
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