Class information for:
Level 1: STARS PRE MAIN SEQUENCE//PROTOPLANETARY DISKS//CIRCUMSTELLAR MATTER

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
76 1                   STARS PRE MAIN SEQUENCE//PROTOPLANETARY DISKS//CIRCUMSTELLAR MATTER 4619

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STARS PRE MAIN SEQUENCE authKW 7912263 50% 50% 2315
2 PROTOPLANETARY DISKS authKW 1980151 14% 45% 648
3 CIRCUMSTELLAR MATTER authKW 1361101 22% 20% 1006
4 STARS VARIABLES T TAURI HERBIG AE BE authKW 1187385 5% 80% 218
5 PLANETARY SYSTEMS PROTOPLANETARY DISKS authKW 751231 5% 44% 253
6 STARS FORMATION authKW 658590 20% 10% 941
7 INFRARED STARS authKW 425692 10% 13% 469
8 ACCRETION ACCRETION DISKS authKW 322713 12% 8% 562
9 STARS CIRCUMSTELLAR MATTER authKW 275580 4% 20% 205
10 ASTRONOMY & ASTROPHYSICS WoSSC 274305 99% 1% 4567

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Astronomy & Astrophysics 274305 99% 1% 4567
2 Engineering, Aerospace -1 0% 0% 7
3 Engineering, Ocean -2 0% 0% 1
4 History -13 0% 0% 1
5 Oceanography -21 0% 0% 1
6 Geosciences, Multidisciplinary -22 0% 0% 23
7 Meteorology & Atmospheric Sciences -24 0% 0% 6
8 Physics, Fluids & Plasmas -25 0% 0% 1
9 Geochemistry & Geophysics -28 0% 0% 3
10 Computer Science, Interdisciplinary Applications -29 0% 0% 2

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTRON 207038 31% 2% 1412
2 UMI FCA 133395 1% 67% 29
3 EXOPLANETS STELLAR ASTROPHYS 113574 1% 29% 57
4 LEIDEN OBSERV 113102 5% 8% 217
5 IPAG 96906 2% 12% 115
6 ASTROPHYS GRENOBLE 82950 1% 19% 65
7 RADIOASTRON ASTROFIS 77600 2% 14% 82
8 VV SOBOLEV ASTRON 74108 1% 45% 24
9 UMR 5571 70100 1% 21% 50
10 PROMOT INTEGRATED SCI 69051 0% 56% 18

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTRONOMY & ASTROPHYSICS 202852 27% 2% 1233
2 ASTROPHYSICAL JOURNAL 176673 31% 2% 1445
3 ASTRONOMICAL JOURNAL 75089 9% 3% 402
4 ASTROPHYSICAL JOURNAL LETTERS 30121 4% 3% 170
5 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 23044 9% 1% 400
6 ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS 18567 2% 3% 80
7 ASTROPHYSICS 10857 1% 6% 25
8 IAU SYMPOSIA 10460 2% 1% 111
9 REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA 6880 1% 3% 36
10 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 6698 1% 2% 62

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 STARS PRE MAIN SEQUENCE 7912263 50% 50% 2315 Search STARS+PRE+MAIN+SEQUENCE Search STARS+PRE+MAIN+SEQUENCE
2 PROTOPLANETARY DISKS 1980151 14% 45% 648 Search PROTOPLANETARY+DISKS Search PROTOPLANETARY+DISKS
3 CIRCUMSTELLAR MATTER 1361101 22% 20% 1006 Search CIRCUMSTELLAR+MATTER Search CIRCUMSTELLAR+MATTER
4 STARS VARIABLES T TAURI HERBIG AE BE 1187385 5% 80% 218 Search STARS+VARIABLES+T+TAURI+HERBIG+AE+BE Search STARS+VARIABLES+T+TAURI+HERBIG+AE+BE
5 PLANETARY SYSTEMS PROTOPLANETARY DISKS 751231 5% 44% 253 Search PLANETARY+SYSTEMS+PROTOPLANETARY+DISKS Search PLANETARY+SYSTEMS+PROTOPLANETARY+DISKS
6 STARS FORMATION 658590 20% 10% 941 Search STARS+FORMATION Search STARS+FORMATION
7 INFRARED STARS 425692 10% 13% 469 Search INFRARED+STARS Search INFRARED+STARS
8 ACCRETION ACCRETION DISKS 322713 12% 8% 562 Search ACCRETION+ACCRETION+DISKS Search ACCRETION+ACCRETION+DISKS
9 STARS CIRCUMSTELLAR MATTER 275580 4% 20% 205 Search STARS+CIRCUMSTELLAR+MATTER Search STARS+CIRCUMSTELLAR+MATTER
10 STARS INDIVIDUAL TW HYA 253814 1% 93% 40 Search STARS+INDIVIDUAL+TW+HYA Search STARS+INDIVIDUAL+TW+HYA

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 9484 CIRCUMSTELLAR MATTER//STARS INDIVIDUAL BETA PICTORIS//STARS INDIVIDUAL FOMALHAUT
3 2301 PLANETS AND SATELLITES FORMATION//PROTOPLANETARY DISKS//SOLAR SYSTEM FORMATION
4 19669 OPEN CLUSTERS AND ASSOCIATIONS GENERAL//OPEN CLUSTERS AND ASSOCIATIONS INDIVIDUAL NGC 3603//STARS KINEMATICS AND DYNAMICS
5 726 BROWN DWARFS//STARS LOW MASS BROWN DWARFS//STARS LOW MASS
6 213 STARS FORMATION//ISM CLOUDS//ISM MOLECULES
7 18123 ISM GLOBULES//H II REGIONS//ISM INDIVIDUAL ROSETTE NEBULA
8 37106 STARS INDIVIDUAL EPSILON AURIGAE//STARS INDIVIDUAL 1SWASP J14074793 3945426 ASAS J140748 39457//EE CEP
9 5031 ISM INDIVIDUAL ORION NEBULA//ISM INDIVIDUAL OBJECTS ORION KL//ISM INDIVIDUAL ORION KLEINMANN LOW
10 6607 INSTABILITIES//ACCRETION ACCRETION DISKS//MHD

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