Class information for:
Level 1: QUASARS EMISSION LINES//QUASARS GENERAL//GALAXIES ACTIVE

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
928 1                   QUASARS EMISSION LINES//QUASARS GENERAL//GALAXIES ACTIVE 2992

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 QUASARS EMISSION LINES authKW 3107249 19% 51% 580
2 QUASARS GENERAL authKW 1552951 26% 19% 787
3 GALAXIES ACTIVE authKW 1330465 42% 10% 1243
4 GALAXIES SEYFERT authKW 829281 18% 15% 531
5 GALAXIES NUCLEI authKW 610520 18% 11% 529
6 QUASARS ABSORPTION LINES authKW 593689 12% 15% 370
7 GALAXIES INDIVIDUAL NGC 5548 authKW 345588 2% 58% 57
8 ASTROPHYSICAL JOURNAL journal 202302 42% 2% 1242
9 ULTRAVIOLET GALAXIES authKW 188962 5% 13% 140
10 ASTRONOMY & ASTROPHYSICS WoSSC 175818 98% 1% 2943

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Astronomy & Astrophysics 175818 98% 1% 2943
2 Engineering, Aerospace 3 0% 0% 11
3 Poetry 1 0% 0% 1
4 Meteorology & Atmospheric Sciences 0 1% 0% 26
5 Multidisciplinary Sciences -1 0% 0% 5
6 Geosciences, Multidisciplinary -4 1% 0% 26
7 Physics, Multidisciplinary -7 1% 0% 38
8 Physics, Fluids & Plasmas -14 0% 0% 2
9 Geochemistry & Geophysics -20 0% 0% 1
10 Physics, Particles & Fields -29 0% 0% 1

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTRON 119856 29% 1% 865
2 WISE OBSERV 74460 2% 14% 52
3 GRAVITAT COSMOS 56296 2% 9% 63
4 CRIMEAN 53920 0% 39% 13
5 ASTRON ASTROPHYS 48571 9% 2% 274
6 GALAXIES COSMOL 47221 2% 8% 54
7 COSMOL ASTROPARTICLE PHYS 46640 2% 7% 63
8 FOUNTAINWOOD OBSERV 43881 0% 83% 5
9 PHYS FJS 149 43881 0% 83% 5
10 CRIMEAN BRANCH 34209 0% 25% 13

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTROPHYSICAL JOURNAL 202302 42% 2% 1242
2 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 65991 18% 1% 540
3 ASTRONOMY & ASTROPHYSICS 21510 11% 1% 326
4 ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 20567 3% 2% 97
5 ASTRONOMICAL JOURNAL 16447 5% 1% 152
6 IAU SYMPOSIA 8195 3% 1% 79
7 NEW ASTRONOMY REVIEWS 7180 1% 2% 29
8 ASTROPHYSICAL JOURNAL LETTERS 6956 2% 1% 66
9 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 5258 2% 1% 52
10 ASTRONOMICHESKII ZHURNAL 4431 1% 1% 30

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 QUASARS EMISSION LINES 3107249 19% 51% 580 Search QUASARS+EMISSION+LINES Search QUASARS+EMISSION+LINES
2 QUASARS GENERAL 1552951 26% 19% 787 Search QUASARS+GENERAL Search QUASARS+GENERAL
3 GALAXIES ACTIVE 1330465 42% 10% 1243 Search GALAXIES+ACTIVE Search GALAXIES+ACTIVE
4 GALAXIES SEYFERT 829281 18% 15% 531 Search GALAXIES+SEYFERT Search GALAXIES+SEYFERT
5 GALAXIES NUCLEI 610520 18% 11% 529 Search GALAXIES+NUCLEI Search GALAXIES+NUCLEI
6 QUASARS ABSORPTION LINES 593689 12% 15% 370 Search QUASARS+ABSORPTION+LINES Search QUASARS+ABSORPTION+LINES
7 GALAXIES INDIVIDUAL NGC 5548 345588 2% 58% 57 Search GALAXIES+INDIVIDUAL+NGC+5548 Search GALAXIES+INDIVIDUAL+NGC+5548
8 ULTRAVIOLET GALAXIES 188962 5% 13% 140 Search ULTRAVIOLET+GALAXIES Search ULTRAVIOLET+GALAXIES
9 LINE PROFILES 119255 6% 7% 173 Search LINE+PROFILES Search LINE+PROFILES
10 GALAXIES QUASARS EMISSION LINES 107879 1% 41% 25 Search GALAXIES+QUASARS+EMISSION+LINES Search GALAXIES+QUASARS+EMISSION+LINES

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 2000 X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE
2 1009 GALAXIES SEYFERT//GALAXIES NUCLEI//GALAXIES INDIVIDUAL NGC 1068
3 21103 QUASARS GENERAL//QUASARS INDIVIDUAL HE 0450 2958//QUASARS INDIVIDUAL I ZW 1
4 8687 QUASARS GENERAL//QUASARS//ASTRONOMY & ASTROPHYSICS
5 4474 GALAXIES NUCLEI//BLACK HOLE PHYSICS//GALAXIES ACTIVE
6 6241 GALAXIES ACTIVE//X RAYS DIFFUSE BACKGROUND//X RAYS GALAXIES
7 98 BL LACERTAE OBJECTS GENERAL//GALAXIES JETS//GALAXIES ACTIVE
8 1297 QUASARS ABSORPTION LINES//INTERGALACTIC MEDIUM//GALAXIES QUASARS ABSORPTION LINES
9 23183 BLACK HOLE PHYSICS//GALAXIES NUCLEI//X RAYS INDIVIDUAL SW J164457
10 2955 GRAVITATIONAL LENSING//GRAVITATIONAL LENSING STRONG//QUASARS INDIVIDUAL Q22370305

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