Class information for:
Level 1: STARS FORMATION//ISM CLOUDS//ISM MOLECULES

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
63 2             STARS FORMATION//ISM CLOUDS//ISM MOLECULES 28877
213 1                   STARS FORMATION//ISM CLOUDS//ISM MOLECULES 3938

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STARS FORMATION authKW 3374166 50% 21% 1965
2 ISM CLOUDS authKW 2178527 30% 23% 1189
3 ISM MOLECULES authKW 987936 23% 14% 894
4 ISM MAGNETIC FIELDS authKW 786856 9% 27% 360
5 ISM JETS AND OUTFLOWS authKW 570588 12% 15% 490
6 STARS PROTOSTARS authKW 439052 4% 35% 157
7 ISM GLOBULES authKW 407044 2% 60% 85
8 ISM KINEMATICS AND DYNAMICS authKW 276537 7% 13% 272
9 ISM STRUCTURE authKW 252859 6% 13% 252
10 ASTROPHYSICAL JOURNAL journal 246744 40% 2% 1574

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Astronomy & Astrophysics 226755 97% 1% 3835
2 History & Philosophy of Science -3 0% 0% 1
3 Religion -4 0% 0% 1
4 Physics, Multidisciplinary -5 1% 0% 56
5 Engineering, Aerospace -7 0% 0% 1
6 Education, Scientific Disciplines -7 0% 0% 1
7 Multidisciplinary Sciences -8 0% 0% 2
8 Geochemistry & Geophysics -15 0% 0% 8
9 Physics, Mathematical -16 0% 0% 8
10 Mathematics, Interdisciplinary Applications -16 0% 0% 2

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STAR PLANET FORMAT 130772 2% 20% 82
2 HUMANITY ENVIRONM 108128 1% 48% 28
3 ASTRON 101988 23% 1% 917
4 UMR 8112 86804 2% 14% 80
5 HERZBERG ASTROPHYS 73379 3% 8% 112
6 LEIDEN OBSERV 66762 4% 5% 154
7 SUBMILLIMETER ARRAY PROJECT 61544 0% 77% 10
8 MINAMISA KU 58203 2% 11% 64
9 ALMA PROJECT OFF 52503 0% 41% 16
10 LERMA 45182 2% 6% 91

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTROPHYSICAL JOURNAL 246744 40% 2% 1574
2 ASTRONOMY & ASTROPHYSICS 115981 22% 2% 862
3 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 37182 12% 1% 467
4 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 14520 2% 2% 84
5 IAU SYMPOSIA 14403 3% 2% 120
6 ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 14314 2% 2% 93
7 ASTRONOMICAL JOURNAL 10979 4% 1% 143
8 ASTROPHYSICAL JOURNAL LETTERS 9398 2% 1% 88
9 ASTROPHYSICS AND SPACE SCIENCE 9293 3% 1% 123
10 REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA 4202 1% 2% 26

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 STARS FORMATION 3374166 50% 21% 1965 Search STARS+FORMATION Search STARS+FORMATION
2 ISM CLOUDS 2178527 30% 23% 1189 Search ISM+CLOUDS Search ISM+CLOUDS
3 ISM MOLECULES 987936 23% 14% 894 Search ISM+MOLECULES Search ISM+MOLECULES
4 ISM MAGNETIC FIELDS 786856 9% 27% 360 Search ISM+MAGNETIC+FIELDS Search ISM+MAGNETIC+FIELDS
5 ISM JETS AND OUTFLOWS 570588 12% 15% 490 Search ISM+JETS+AND+OUTFLOWS Search ISM+JETS+AND+OUTFLOWS
6 STARS PROTOSTARS 439052 4% 35% 157 Search STARS+PROTOSTARS Search STARS+PROTOSTARS
7 ISM GLOBULES 407044 2% 60% 85 Search ISM+GLOBULES Search ISM+GLOBULES
8 ISM KINEMATICS AND DYNAMICS 276537 7% 13% 272 Search ISM+KINEMATICS+AND+DYNAMICS Search ISM+KINEMATICS+AND+DYNAMICS
9 ISM STRUCTURE 252859 6% 13% 252 Search ISM+STRUCTURE Search ISM+STRUCTURE
10 RADIO LINES ISM 238858 6% 12% 247 Search RADIO+LINES+ISM Search RADIO+LINES+ISM

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 5966 ISM JETS AND OUTFLOWS//ISM HERBIG HARO OBJECTS//HERBIG HARO OBJECTS
2 3728 ISM CLOUDS//ISM STRUCTURE//ISM KINEMATICS AND DYNAMICS
3 138 STARS FORMATION//MASERS//H II REGIONS
4 24949 INFRARED ABSORPTION BANDS//POLARIZANCE FRINGES IN WAVE PLATES//DUST EXTINCTION
5 18123 ISM GLOBULES//H II REGIONS//ISM INDIVIDUAL ROSETTE NEBULA
6 19669 OPEN CLUSTERS AND ASSOCIATIONS GENERAL//OPEN CLUSTERS AND ASSOCIATIONS INDIVIDUAL NGC 3603//STARS KINEMATICS AND DYNAMICS
7 5031 ISM INDIVIDUAL ORION NEBULA//ISM INDIVIDUAL OBJECTS ORION KL//ISM INDIVIDUAL ORION KLEINMANN LOW
8 2238 ASTROCHEMISTRY//ISM MOLECULES//MOLECULAR PROCESSES
9 76 STARS PRE MAIN SEQUENCE//PROTOPLANETARY DISKS//CIRCUMSTELLAR MATTER
10 7411 ISM ABUNDANCES//ULTRAVIOLET ISM//ISM MOLECULES

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