Class information for:
Level 1: QUASARS EMISSION LINES//QUASARS EMISSION LINES//GALAXIES SEYFERT

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
4495 1702 43.9 70%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
71 27454 GALAXIES ACTIVE//GALAXIES SEYFERT//QUASARS GENERAL

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 QUASARS EMISSION LINES Author keyword 115 41% 13% 220
2 QUASARS EMISSION LINES Author keyword 88 38% 11% 184
3 GALAXIES SEYFERT Author keyword 38 12% 17% 290
4 GALAXIES INDIVIDUAL NGC 5548 Author keyword 27 58% 2% 31
5 GALAXIES SEYFERT Author keyword 14 11% 7% 119
6 GALAXIES INDIVIDUAL ARP 102B Author keyword 11 100% 0% 6
7 REVERBERATION MAPPING Author keyword 9 83% 0% 5
8 GALAXIES QUASARS EMISSION LINES Author keyword 9 36% 1% 20
9 ULTRAVIOLET GALAXIES Author keyword 8 10% 4% 71
10 GALAXIES INDIVIDUAL NGC 5548 Author keyword 7 57% 0% 8

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 QUASARS EMISSION LINES 115 41% 13% 220 Search QUASARS++EMISSION+LINES Search QUASARS++EMISSION+LINES
2 QUASARS EMISSION LINES 88 38% 11% 184 Search QUASARS+EMISSION+LINES Search QUASARS+EMISSION+LINES
3 GALAXIES SEYFERT 38 12% 17% 290 Search GALAXIES++SEYFERT Search GALAXIES++SEYFERT
4 GALAXIES INDIVIDUAL NGC 5548 27 58% 2% 31 Search GALAXIES++INDIVIDUAL+NGC+5548 Search GALAXIES++INDIVIDUAL+NGC+5548
5 GALAXIES SEYFERT 14 11% 7% 119 Search GALAXIES+SEYFERT Search GALAXIES+SEYFERT
6 GALAXIES INDIVIDUAL ARP 102B 11 100% 0% 6 Search GALAXIES++INDIVIDUAL+ARP+102B Search GALAXIES++INDIVIDUAL+ARP+102B
7 REVERBERATION MAPPING 9 83% 0% 5 Search REVERBERATION+MAPPING Search REVERBERATION+MAPPING
8 GALAXIES QUASARS EMISSION LINES 9 36% 1% 20 Search GALAXIES++QUASARS++EMISSION+LINES Search GALAXIES++QUASARS++EMISSION+LINES
9 ULTRAVIOLET GALAXIES 8 10% 4% 71 Search ULTRAVIOLET++GALAXIES Search ULTRAVIOLET++GALAXIES
10 GALAXIES INDIVIDUAL NGC 5548 7 57% 0% 8 Search GALAXIES+INDIVIDUAL+NGC+5548 Search GALAXIES+INDIVIDUAL+NGC+5548

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 BROAD LINE REGION 136 43% 14% 238
2 NGC 5548 95 46% 9% 155
3 RADIUS LUMINOSITY RELATIONSHIP 50 65% 3% 48
4 ARP 102B 49 60% 3% 53
5 SEYFERT 1 GALAXIES 46 25% 10% 163
6 AGN MONITORING PROJECT 43 66% 2% 40
7 LOW IONIZATION LINES 41 90% 1% 18
8 EDDINGTON RATIO 40 50% 3% 57
9 BLACK HOLE MASSES 39 29% 7% 111
10 VELOCITY DELAY MAPS 38 93% 1% 14

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
An expanded M-bh-Sigma diagram, and a new calibration of active galactic nuclei masses 2011 174 178 28%
Biases in virial black hole masses: An SDSS perspective 2008 193 118 36%
Measuring the Masses of Supermassive Black Holes 2014 8 125 67%
The broad emission-line region: the confluence of the outer accretion disc with the inner edge of the dusty torus 2012 22 122 70%
Broad-line region physical conditions along the quasar eigenvector 1 sequence 2010 28 91 82%
The mass of quasars 2013 29 264 48%
DOUBLE-PEAKED EMISSION-LINES IN ACTIVE GALACTIC NUCLEI 1994 247 82 45%
An empirical ultraviolet template for iron emission in quasars as derived from I Zwicky 1 2001 193 95 49%
Completion of a survey and detailed study of double-peaked emission lines in radio-loud active galactic nuclei 2003 124 130 49%
Phenomenology of broad emission lines in active galactic nuclei 2000 174 303 61%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ASTROFIS VALPARAISO 7 67% 0.4% 6
2 CRIMEAN 7 39% 0.8% 13
3 ULUGBEK ASTRON 4 75% 0.2% 3
4 CRIMEAN BRANCH 4 25% 0.8% 13
5 SOUTH STN 3 60% 0.2% 3
6 YUGOSLAVIA BRANCH 2 17% 0.8% 13
7 ISO PROJECT 2 67% 0.1% 2
8 VIA ZAMBONI 33 2 67% 0.1% 2
9 BRYANT SPACE 211 2 40% 0.2% 4
10 CNRS URA 173 2 33% 0.2% 4

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000289307 X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE
2 0.0000259406 QUASARS GENERAL//QUASARS GENERAL//QUASARS ABSORPTION LINES
3 0.0000224011 GALAXIES SEYFERT//GALAXIES INDIVIDUAL NGC 1068//GALAXIES NUCLEI
4 0.0000155257 GALAXIES INDIVIDUAL IC 2497//QUASARS INDIVIDUAL I ZW 1//GALAXIES FUNDAMENTAL PARAMETERS CLASSIFICATION COLORS LUMINOSITIES MASSES RADII ETC
5 0.0000153129 X RAYS DIFFUSE BACKGROUND//QUASARS GENERAL//X RAYS GALAXIES
6 0.0000089818 GALAXIES NUCLEI//QUASARS INDIVIDUAL SDSS J153636220441270//CENTRAL COMPACT OBJECTS
7 0.0000075408 BL LACERTAE OBJECTS GENERAL//BL LACERTAE OBJECTS GENERAL//GALAXIES ACTIVE
8 0.0000047044 QUASARS ABSORPTION LINES//QUASARS ABSORPTION LINES//INTERGALACTIC MEDIUM
9 0.0000039760 GRAVITATIONAL LENSING//GRAVITATIONAL LENSING STRONG//QUASARS INDIVIDUAL Q22370305
10 0.0000038198 RADIO CONTINUUM GALAXIES//GALAXIES JETS//GALAXIES ACTIVE