Class information for:
Level 1: STARS ABUNDANCES//STARS POPULATION II//GALAXY EVOLUTION

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
1 2             ASTRONOMY & ASTROPHYSICS//STARS ABUNDANCES//STARS FUNDAMENTAL PARAMETERS 49220
779 1                   STARS ABUNDANCES//STARS POPULATION II//GALAXY EVOLUTION 3105

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STARS ABUNDANCES authKW 2246518 34% 21% 1060
2 STARS POPULATION II authKW 1329856 12% 34% 383
3 GALAXY EVOLUTION authKW 579946 9% 21% 276
4 NUCLEAR REACTIONS NUCLEOSYNTHESIS ABUNDANCES authKW 514904 9% 17% 294
5 GALAXY ABUNDANCES authKW 513545 7% 24% 213
6 SUN ABUNDANCES authKW 358993 5% 24% 145
7 GALAXY HALO authKW 356756 8% 14% 251
8 STARS ATMOSPHERES authKW 273738 9% 10% 276
9 IPNAS address 246892 2% 33% 74
10 ATOMIC DATA authKW 236628 6% 12% 197

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Astronomy & Astrophysics 127684 83% 1% 2563
2 Optics 682 8% 0% 235
3 Physics, Atomic, Molecular & Chemical 308 5% 0% 162
4 Physics, Multidisciplinary 228 6% 0% 176
5 Spectroscopy 141 3% 0% 78
6 Physics, Nuclear 107 2% 0% 77
7 Humanities, Multidisciplinary -2 0% 0% 1
8 Engineering, Aerospace -4 0% 0% 2
9 Materials Science, Composites -5 0% 0% 1
10 Multidisciplinary Sciences -5 0% 0% 2

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IPNAS 246892 2% 33% 74
2 JINA 228906 2% 40% 57
3 MCDONALD OBSERV 169940 4% 12% 136
4 GEPI 126546 3% 12% 108
5 STELLAR PLANETARY ASTROPHYS 102233 1% 24% 42
6 LUND OBSERV 94732 2% 19% 49
7 STUDY COSM EVOLUT 88860 1% 52% 17
8 ASTRON 74896 22% 1% 698
9 GRAAL 71712 1% 21% 33
10 ASTRON ASTROPHYS 63516 10% 2% 319

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTRONOMY & ASTROPHYSICS 130517 26% 2% 811
2 ASTROPHYSICAL JOURNAL 41880 19% 1% 580
3 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 15038 9% 1% 265
4 ASTRONOMICAL JOURNAL 14803 5% 1% 147
5 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA 13365 1% 4% 37
6 ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 11810 2% 2% 75
7 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 11468 3% 1% 78
8 IAU SYMPOSIA 7691 3% 1% 78
9 ASTRONOMY REPORTS 6607 1% 2% 37
10 ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 5559 1% 1% 45

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 STARS ABUNDANCES 2246518 34% 21% 1060 Search STARS+ABUNDANCES Search STARS+ABUNDANCES
2 STARS POPULATION II 1329856 12% 34% 383 Search STARS+POPULATION+II Search STARS+POPULATION+II
3 GALAXY EVOLUTION 579946 9% 21% 276 Search GALAXY+EVOLUTION Search GALAXY+EVOLUTION
4 NUCLEAR REACTIONS NUCLEOSYNTHESIS ABUNDANCES 514904 9% 17% 294 Search NUCLEAR+REACTIONS+NUCLEOSYNTHESIS+ABUNDANCES Search NUCLEAR+REACTIONS+NUCLEOSYNTHESIS+ABUNDANCES
5 GALAXY ABUNDANCES 513545 7% 24% 213 Search GALAXY+ABUNDANCES Search GALAXY+ABUNDANCES
6 SUN ABUNDANCES 358993 5% 24% 145 Search SUN+ABUNDANCES Search SUN+ABUNDANCES
7 GALAXY HALO 356756 8% 14% 251 Search GALAXY+HALO Search GALAXY+HALO
8 STARS ATMOSPHERES 273738 9% 10% 276 Search STARS+ATMOSPHERES Search STARS+ATMOSPHERES
9 ATOMIC DATA 236628 6% 12% 197 Search ATOMIC+DATA Search ATOMIC+DATA
10 STARS CARBON 196770 4% 16% 125 Search STARS+CARBON Search STARS+CARBON

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 8715 STARS ABUNDANCES//STARS ROTATION//STARS LATE TYPE
2 27276 ASTRONOMICAL SPECTROGRAPHS//PHYSICAL MODEL BASED CALIBRATIONS//ACTIVELY STABILIZED INTERFEROMETER
3 32766 ASTRON ASTROPHYS OBSERV//DEAC//RESONANTLY ENHANCED IONIZATION SPECTRUM
4 28782 TECHNIQUES PHOTOMETRIC WET//FESENKOV ASTROPHYS//BOLOMETRIC MAGNITUDE
5 20127 STARS FORMATION EVOLUTION//GALAXY EVOLUTION//METALLICITY DISTRIBUTION
6 467 GLOBULAR CLUSTERS GENERAL//STARS HORIZONTAL BRANCH//STARS POPULATION II
7 2646 GALAXY KINEMATICS AND DYNAMICS//GALAXY STRUCTURE//GALAXY HALO
8 2149 STARS CHEMICALLY PECULIAR//STARS MAGNETIC FIELDS//STARS ABUNDANCES
9 10766 QUANTUM ENGN METROL//CHAIR QUANTUM ENGN METROL//CHAIR ATOM PHYS
10 34722 ARMENIAN BRANCH//STARS SURVEY//V AMBARTSUMIAN BYURAKAN ASTROPHYS OBSERV

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