Class information for:
Level 1: QUASARS GENERAL//QUASARS//ASTRONOMY & ASTROPHYSICS

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
23 4 ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON 393400
1 3       ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON 234120
0 2             GALAXIES EVOLUTION//ASTRONOMY & ASTROPHYSICS//GALAXIES FORMATION 63445
8687 1                   QUASARS GENERAL//QUASARS//ASTRONOMY & ASTROPHYSICS 1259

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 QUASARS GENERAL authKW 162057 13% 4% 165
2 QUASARS authKW 73164 3% 8% 36
3 ASTRONOMY & ASTROPHYSICS WoSSC 65681 93% 0% 1168
4 QUASAR GALAXY ASSOCIATIONS authKW 50063 0% 100% 2
5 ASTRONOMICAL JOURNAL journal 26244 10% 1% 124
6 950 N CHERRY AVE address 25032 0% 100% 1
7 ANOMALOUS REDSHIFT authKW 25032 0% 100% 1
8 CALAXIES ACTIVE GALAXIES authKW 25032 0% 100% 1
9 CATALOGS QUASARS GENERAL SURVEYS authKW 25032 0% 100% 1
10 CNR GNA UNITA RIC address 25032 0% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Astronomy & Astrophysics 65681 93% 0% 1168
2 Physics, Multidisciplinary 28 4% 0% 50
3 Multidisciplinary Sciences 8 1% 0% 9
4 Engineering, Aerospace 3 0% 0% 6
5 Cultural Studies 0 0% 0% 1
6 Computer Science, Cybernetics -0 0% 0% 1
7 Physics, Particles & Fields -0 1% 0% 11
8 Humanities, Multidisciplinary -0 0% 0% 1
9 Transportation Science & Technology -0 0% 0% 1
10 Education, Scientific Disciplines -1 0% 0% 1

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 950 N CHERRY AVE 25032 0% 100% 1
2 CNR GNA UNITA RIC 25032 0% 100% 1
3 CRIMEA STATION 25032 0% 100% 1
4 CRWG 25032 0% 100% 1
5 ISOTOPE STUDIES BASIC SCI 25032 0% 100% 1
6 LAR URA 285 25032 0% 100% 1
7 MATEMAT LICADA C COMPUTACIO 25032 0% 100% 1
8 ODESSA ASTRON OBSERVAT 25032 0% 100% 1
9 URA 1368 25032 0% 100% 1
10 ANALYSE IMAGES 12515 0% 50% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTRONOMICAL JOURNAL 26244 10% 1% 124
2 IAU SYMPOSIA 23899 7% 1% 87
3 ASTROPHYSICAL JOURNAL 22294 21% 0% 269
4 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 12992 12% 0% 156
5 PROCEEDINGS ASTRONOMICAL SOCIETY OF AUSTRALIA 12862 1% 3% 17
6 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 8626 3% 1% 43
7 ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 7496 3% 1% 38
8 REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA 7067 2% 1% 19
9 ASTRONOMY & ASTROPHYSICS 7014 10% 0% 121
10 ASTROPHYSICS AND SPACE SCIENCE 6072 4% 0% 56

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 QUASARS GENERAL 162057 13% 4% 165 Search QUASARS+GENERAL Search QUASARS+GENERAL
2 QUASARS 73164 3% 8% 36 Search QUASARS Search QUASARS
3 QUASAR GALAXY ASSOCIATIONS 50063 0% 100% 2 Search QUASAR+GALAXY+ASSOCIATIONS Search QUASAR+GALAXY+ASSOCIATIONS
4 ANOMALOUS REDSHIFT 25032 0% 100% 1 Search ANOMALOUS+REDSHIFT Search ANOMALOUS+REDSHIFT
5 CALAXIES ACTIVE GALAXIES 25032 0% 100% 1 Search CALAXIES+ACTIVE+GALAXIES Search CALAXIES+ACTIVE+GALAXIES
6 CATALOGS QUASARS GENERAL SURVEYS 25032 0% 100% 1 Search CATALOGS+QUASARS+GENERAL+SURVEYS Search CATALOGS+QUASARS+GENERAL+SURVEYS
7 COSMIC X RAY BACKGROUND CXB 25032 0% 100% 1 Search COSMIC+X+RAY+BACKGROUND+CXB Search COSMIC+X+RAY+BACKGROUND+CXB
8 COSMOLOGY OBSERVATIONAL TESTS 25032 0% 100% 1 Search COSMOLOGY+OBSERVATIONAL+TESTS Search COSMOLOGY+OBSERVATIONAL+TESTS
9 CXOCDFS J0332253 274219 25032 0% 100% 1 Search CXOCDFS+J0332253+274219 Search CXOCDFS+J0332253+274219
10 ENVIRONMENT OF QUASARS 25032 0% 100% 1 Search ENVIRONMENT+OF+QUASARS Search ENVIRONMENT+OF+QUASARS

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 21103 QUASARS GENERAL//QUASARS INDIVIDUAL HE 0450 2958//QUASARS INDIVIDUAL I ZW 1
2 23432 3D SPECTROSCOPY OF GALAXIES VELOCITY FIELD HII REGIONS//55 CANCRI//ABSORPTION LINE SYSTEMS
3 6241 GALAXIES ACTIVE//X RAYS DIFFUSE BACKGROUND//X RAYS GALAXIES
4 928 QUASARS EMISSION LINES//QUASARS GENERAL//GALAXIES ACTIVE
5 29520 CHRONOMETRIC THEORY//INTERDISCIPLINARY NAT HUMANIST SCI//58A99
6 34722 ARMENIAN BRANCH//STARS SURVEY//V AMBARTSUMIAN BYURAKAN ASTROPHYS OBSERV
7 12239 GALAXIES LUMINOSITY FUNCTION MASS FUNCTION//GALAXIES PHOTOMETRY//GALAXIES EVOLUTION
8 2000 X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE
9 1297 QUASARS ABSORPTION LINES//INTERGALACTIC MEDIUM//GALAXIES QUASARS ABSORPTION LINES
10 21798 SERV ELE PHYS//MULTIFREQUENCY ASTROPHYSICS COSMOLOGY//PHYS UL NOWOTKI 149153

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