Class information for:
Level 1: GALAXIES SEYFERT//GALAXIES INDIVIDUAL NGC 1068//GALAXIES NUCLEI

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
774 2994 46.6 69%



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 GALAXIES SEYFERT Author keyword 342 34% 27% 816
2 GALAXIES INDIVIDUAL NGC 1068 Author keyword 125 83% 2% 70
3 GALAXIES NUCLEI Author keyword 109 18% 18% 533
4 GALAXIES SEYFERT Author keyword 95 28% 10% 292
5 GALAXIES INDIVIDUAL NGC 1068 Author keyword 67 80% 1% 41
6 INFRARED GALAXIES Author keyword 30 11% 8% 251
7 GALAXIES NUCLEI Author keyword 24 12% 6% 191
8 GALAXIES INDIVIDUAL NGC 1068 Author keyword 23 60% 1% 25
9 GALAXIES INDIVIDUAL CIRCINUS Author keyword 19 64% 1% 18
10 GALAXIES INDIVIDUAL NGC 5252 Author keyword 15 88% 0% 7

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 GALAXIES SEYFERT 342 34% 27% 816 Search GALAXIES++SEYFERT Search GALAXIES++SEYFERT
2 GALAXIES INDIVIDUAL NGC 1068 125 83% 2% 70 Search GALAXIES++INDIVIDUAL+NGC+1068 Search GALAXIES++INDIVIDUAL+NGC+1068
3 GALAXIES NUCLEI 109 18% 18% 533 Search GALAXIES++NUCLEI Search GALAXIES++NUCLEI
4 GALAXIES SEYFERT 95 28% 10% 292 Search GALAXIES+SEYFERT Search GALAXIES+SEYFERT
5 GALAXIES INDIVIDUAL NGC 1068 67 80% 1% 41 Search GALAXIES++INDIVIDUAL++NGC+1068 Search GALAXIES++INDIVIDUAL++NGC+1068
6 INFRARED GALAXIES 30 11% 8% 251 Search INFRARED++GALAXIES Search INFRARED++GALAXIES
7 GALAXIES NUCLEI 24 12% 6% 191 Search GALAXIES+NUCLEI Search GALAXIES+NUCLEI
8 GALAXIES INDIVIDUAL NGC 1068 23 60% 1% 25 Search GALAXIES+INDIVIDUAL+NGC+1068 Search GALAXIES+INDIVIDUAL+NGC+1068
9 GALAXIES INDIVIDUAL CIRCINUS 19 64% 1% 18 Search GALAXIES++INDIVIDUAL++CIRCINUS Search GALAXIES++INDIVIDUAL++CIRCINUS
10 GALAXIES INDIVIDUAL NGC 5252 15 88% 0% 7 Search GALAXIES++INDIVIDUAL+NGC+5252 Search GALAXIES++INDIVIDUAL+NGC+5252

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 NGC 1068 278 52% 13% 375
2 NARROW LINE REGION 165 52% 8% 226
3 SEYFERT GALAXIES 118 24% 14% 430
4 ANISOTROPIC IONIZING RADIATION 99 93% 1% 38
5 SEYFERT GALAXY NGC 1068 99 86% 2% 50
6 EXTENDED GAS 96 93% 1% 37
7 RADIO STRUCTURES 69 70% 2% 57
8 DWARF SEYFERT NUCLEI 63 45% 4% 105
9 GEMINI NIFS 58 88% 1% 28
10 SEYFERT 2 GALAXIES 54 35% 4% 126

Journals

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
A search for ''dwarf'' Seyfert nuclei .3. Spectroscopic parameters and properties of the host galaxies 1997 804 86 49%
UNIFIED MODELS FOR ACTIVE GALACTIC NUCLEI AND QUASARS 1993 2145 152 40%
A three-dimensional diagnostic diagram for Seyfert 2 galaxies: Probing X-ray absorption and Compton thickness 1999 268 83 65%
Nuclear activity in nearby galaxies 2008 314 438 47%
Optical classification of southern warm infrared galaxies 2001 215 84 65%
AGN dusty tori. II. Observational implications of clumpiness 2008 248 95 48%
Radio continuum survey of an optically selected sample of nearby Seyfert galaxies 2001 157 131 68%
A close look at star formation around active galactic nuclei 2007 175 85 36%
ASCA observations of type 2 Seyfert galaxies .1. Data analysis results 1997 261 88 57%
LOW-LUMINOSITY AND OBSCURED SEYFERT NUCLEI IN NEARBY GALAXIES 1995 268 88 75%

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 ASTROPHYS COMPUTAT SCI 5 16% 0.9% 27
2 IST ASTRON GEOFIS 4 75% 0.1% 3
3 IST TECHNOL STUDIO RADIAZ EXTRATERR 4 75% 0.1% 3
4 ASTRON OFF 4 32% 0.3% 10
5 GEMINI OBSERV 3 11% 0.9% 27
6 CAS GALAXIES COSMOL 3 28% 0.3% 8
7 BEPPOSAX SDC 2 67% 0.1% 2
8 FIS CATABRIA 2 67% 0.1% 2
9 ASTRON SOC 1 50% 0.1% 2
10 NOROESTE FLUMINENSE ENSINO SUPER 1 100% 0.1% 2

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000224742 GALAXIES INDIVIDUAL NGC 4258//MASERS//GALAXIES INDIVIDUAL NGC 3079
2 0.0000224011 QUASARS EMISSION LINES//QUASARS EMISSION LINES//GALAXIES SEYFERT
3 0.0000190246 GALAXIES INDIVIDUAL IC 2497//QUASARS INDIVIDUAL I ZW 1//GALAXIES FUNDAMENTAL PARAMETERS CLASSIFICATION COLORS LUMINOSITIES MASSES RADII ETC
4 0.0000161255 X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE
5 0.0000150121 GALAXIES INDIVIDUAL NGC 253//GALAXIES INDIVIDUAL M82//GALAXIES INDIVIDUAL M82
6 0.0000146668 INFRARED GALAXIES//SUBMILLIMETER GALAXIES//INFRARED GALAXIES
7 0.0000144131 X RAYS DIFFUSE BACKGROUND//QUASARS GENERAL//X RAYS GALAXIES
8 0.0000101927 GALAXIES INTERACTIONS//SHAKHBAZIAN GROUPS//GALAXIES INTERACTIONS
9 0.0000096105 GALAXIES INDIVIDUAL CENTAURUS A//GALAXIES INDIVIDUAL CENTAURUS A//GALAXIES INDIVIDUAL NGC 5128
10 0.0000095217 GALAXIES SPIRAL//GALAXIES STRUCTURE//GALAXIES SPIRAL