Class information for:
Level 2: GALAXIES ACTIVE//GALAXIES SEYFERT//QUASARS GENERAL

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
71 27454 44.1 71%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
5 175561 ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON

Classes in level below (level 1)


ID, lev. below Publications Label for level below
185 3922 BL LACERTAE OBJECTS GENERAL//BL LACERTAE OBJECTS GENERAL//GALAXIES ACTIVE
186 3916 RADIO CONTINUUM GALAXIES//GALAXIES JETS//GALAXIES ACTIVE
760 3010 INFRARED GALAXIES//SUBMILLIMETER GALAXIES//INFRARED GALAXIES
774 2994 GALAXIES SEYFERT//GALAXIES INDIVIDUAL NGC 1068//GALAXIES NUCLEI
1813 2405 X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE
2610 2121 X RAYS DIFFUSE BACKGROUND//QUASARS GENERAL//X RAYS GALAXIES
2952 2028 GRAVITATIONAL LENSING//GRAVITATIONAL LENSING STRONG//QUASARS INDIVIDUAL Q22370305
3860 1820 QUASARS GENERAL//QUASARS GENERAL//QUASARS ABSORPTION LINES
4495 1702 QUASARS EMISSION LINES//QUASARS EMISSION LINES//GALAXIES SEYFERT
9036 1127 31 FORMALISM//GRMHD//IASA
12747 821 GALAXIES NUCLEI//QUASARS INDIVIDUAL SDSS J153636220441270//CENTRAL COMPACT OBJECTS
19572 435 GALAXIES INDIVIDUAL CENTAURUS A//GALAXIES INDIVIDUAL CENTAURUS A//GALAXIES INDIVIDUAL NGC 5128
19888 422 GALAXIES INDIVIDUAL NGC 4258//MASERS//GALAXIES INDIVIDUAL NGC 3079
20933 379 GALAXIES INDIVIDUAL IC 2497//QUASARS INDIVIDUAL I ZW 1//GALAXIES FUNDAMENTAL PARAMETERS CLASSIFICATION COLORS LUMINOSITIES MASSES RADII ETC
21682 352 ASSOCIATED INAF//CSIRO RADIOPHYS//CYLINDRICAL PARABOLIC REFLECTORS

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 ACTIVE Author keyword 13133 77% 32% 8823
2 GALAXIES SEYFERT Author keyword 4120 86% 8% 2061
3 QUASARS GENERAL Author keyword 2780 77% 7% 1865
4 GALAXIES NUCLEI Author keyword 2311 69% 7% 1986
5 GALAXIES JETS Author keyword 2280 79% 5% 1444
6 RADIO CONTINUUM GALAXIES Author keyword 2064 74% 6% 1533
7 QUASARS GENERAL Author keyword 1805 78% 4% 1182
8 GALAXIES SEYFERT Author keyword 1723 85% 3% 897
9 X RAYS GALAXIES Author keyword 1487 53% 7% 1943
10 GALAXIES NUCLEI Author keyword 1447 72% 4% 1145

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 ACTIVE 13133 77% 32% 8823 Search GALAXIES++ACTIVE Search GALAXIES++ACTIVE
2 GALAXIES SEYFERT 4120 86% 8% 2061 Search GALAXIES++SEYFERT Search GALAXIES++SEYFERT
3 QUASARS GENERAL 2780 77% 7% 1865 Search QUASARS++GENERAL Search QUASARS++GENERAL
4 GALAXIES NUCLEI 2311 69% 7% 1986 Search GALAXIES++NUCLEI Search GALAXIES++NUCLEI
5 GALAXIES JETS 2280 79% 5% 1444 Search GALAXIES++JETS Search GALAXIES++JETS
6 RADIO CONTINUUM GALAXIES 2064 74% 6% 1533 Search RADIO+CONTINUUM++GALAXIES Search RADIO+CONTINUUM++GALAXIES
7 QUASARS GENERAL 1805 78% 4% 1182 Search QUASARS+GENERAL Search QUASARS+GENERAL
8 GALAXIES SEYFERT 1723 85% 3% 897 Search GALAXIES+SEYFERT Search GALAXIES+SEYFERT
9 X RAYS GALAXIES 1487 53% 7% 1943 Search X+RAYS++GALAXIES Search X+RAYS++GALAXIES
10 GALAXIES NUCLEI 1447 72% 4% 1145 Search GALAXIES+NUCLEI Search GALAXIES+NUCLEI

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 ACTIVE GALACTIC NUCLEI 7477 63% 27% 7436
2 QUASARS 1995 62% 7% 2056
3 SEYFERT GALAXIES 1755 74% 5% 1320
4 BL LACERTAE OBJECTS 1109 74% 3% 834
5 COMPLETE SAMPLE 998 73% 3% 765
6 SEYFERT 1 GALAXIES 996 83% 2% 554
7 ULTRALUMINOUS INFRARED GALAXIES 901 68% 3% 797
8 BROAD LINE REGION 841 84% 2% 460
9 NARROW LINE REGION 810 88% 1% 384
10 HOST GALAXIES 792 57% 3% 949

Journals


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 ASTROPHYSICAL JOURNAL 1039 12% 31% 8443
2 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 801 14% 20% 5388
3 ASTRONOMICAL JOURNAL 180 11% 6% 1522
4 ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 97 14% 2% 626
5 NEW ASTRONOMY REVIEWS 85 25% 1% 299
6 JOURNAL OF ASTROPHYSICS AND ASTRONOMY 41 19% 1% 192
7 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 40 10% 1% 368
8 IAU SYMPOSIA 38 12% 1% 301
9 CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 27 17% 1% 144
10 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA 20 14% 0% 130

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Luminous infrared galaxies 1996 1741 166 68%
UNIFIED MODELS FOR ACTIVE GALACTIC NUCLEI AND QUASARS 1993 2145 152 97%
UNIFIED SCHEMES FOR RADIO-LOUD ACTIVE GALACTIC NUCLEI 1995 1858 229 95%
THE M-sigma AND M-L RELATIONS IN GALACTIC BULGES, AND DETERMINATIONS OF THEIR INTRINSIC SCATTER 2009 474 114 69%
A unified, merger-driven model of the origin of starbursts, quasars, the cosmic X-ray background, supermassive black holes, and galaxy spheroids 2006 772 268 65%
Coevolution (Or Not) of Supermassive Black Holes and Host Galaxies 2013 234 723 42%
ATLAS OF QUASAR ENERGY-DISTRIBUTIONS 1994 1161 97 89%
A redshift survey of the submillimeter galaxy population 2005 743 127 79%
Local supermassive black holes, relics of active galactic nuclei and the X-ray background 2004 715 83 75%
The synthesis of the cosmic X-ray background in the Chandra and XMM-Newton era 2007 335 95 98%

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 ASTRON 662 11% 21% 5896
2 ASTRON ASTROPHYS 179 11% 5.5% 1508
3 IST RADIOASTRON 178 44% 1.1% 306
4 ASTROPHYS 163 11% 5.0% 1367
5 DIPARTIMENTO ASTRON 140 22% 2.1% 564
6 ASTROPHYS GRP 129 22% 1.9% 532
7 SPITZER SCI 128 30% 1.3% 365
8 UK ASTRON TECHNOL 121 43% 0.8% 218
9 STEWARD OBSERV 120 16% 2.5% 682
10 INAF 113 14% 2.8% 762

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000020716 GALAXIES EVOLUTION//LARGE SCALE STRUCTURE OF UNIVERSE//GALAXIES CLUSTERS GENERAL
2 0.0000015786 X RAYS BINARIES//PULSARS GENERAL//STARS NEUTRON
3 0.0000008586 GAMMA RAYS BURSTS//GAMMA RAY BURST GENERAL//GAMMA RAY BURSTS
4 0.0000006338 MESH EXPERIMENT//CHARGE CLOUD SHAPE//X RAY EVENT
5 0.0000005555 ISM MOLECULES//STARS FORMATION//ISM CLOUDS
6 0.0000004881 NOVAE CATACLYSMIC VARIABLES//SUPERNOVAE GENERAL//STARS DWARF NOVAE
7 0.0000004857 GLOBULAR CLUSTERS GENERAL//GALAXIES STAR CLUSTERS//GLOBULAR CLUSTERS GENERAL
8 0.0000003842 PLANETARY SYSTEMS//STARS PRE MAIN SEQUENCE//PROTOPLANETARY DISKS
9 0.0000003050 ULTRA HIGH ENERGY COSMIC RAYS//NEUTRINO TELESCOPES//ASTROPARTICLE PHYSICS
10 0.0000002678 LIGO//CLASSICAL AND QUANTUM GRAVITY//ALBERT E EIN