Class information for:
Level 2: PLANETARY SYSTEMS//STARS PRE MAIN SEQUENCE//PLANETS AND SATELLITES FORMATION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
239 20042 45.3 73%


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
19 4 ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON 523489
19 3       ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON 118981
239 2             PLANETARY SYSTEMS//STARS PRE MAIN SEQUENCE//PLANETS AND SATELLITES FORMATION 20042
118 1                   PLANETARY SYSTEMS//TECHNIQUES RADIAL VELOCITIES//PLANETS AND SATELLITES ATMOSPHERES 4314
119 1                   STARS PRE MAIN SEQUENCE//PROTOPLANETARY DISKS//CIRCUMSTELLAR MATTER 4310
700 1                   STARS LOW MASS BROWN DWARFS//BROWN DWARFS//STARS LOW MASS 3153
3376 1                   PLANETS AND SATELLITES FORMATION//PLANETARY SYSTEMS FORMATION//PLANET DISK INTERACTIONS 1998
4238 1                   KUIPER BELT//OORT CLOUD//KUIPER BELT GENERAL 1822
4398 1                   INSTABILITIES//PROTOPLANETARY DISKS//ACCRETION ACCRETION DISKS 1792
8804 1                   CIRCUMSTELLAR MATTER//STARS INDIVIDUAL BETA PICTORIS//STARS INDIVIDUAL FOMALHAUT 1215
12016 1                   CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY//KIRKWOOD GAPS//CELESTIAL MECHANICS 937
19526 1                   HILL STABILITY//CELESTIAL MECHANICS//STARS INDIVIDUAL GAMMA CEPHEI 501

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 PLANETARY SYSTEMS authKW 3623404 15% 79% 3030
2 STARS PRE MAIN SEQUENCE authKW 2509194 14% 61% 2728
3 PLANETS AND SATELLITES FORMATION authKW 1478438 6% 84% 1156
4 PROTOPLANETARY DISKS authKW 1336787 5% 82% 1075
5 STARS LOW MASS BROWN DWARFS authKW 1136446 5% 73% 1025
6 BROWN DWARFS authKW 1116919 4% 84% 873
7 ASTRONOMY & ASTROPHYSICS WoSSC 1097929 95% 4% 19104
8 CIRCUMSTELLAR MATTER authKW 948050 9% 36% 1749
9 STARS LOW MASS authKW 819894 4% 64% 844
10 TECHNIQUES RADIAL VELOCITIES authKW 716462 4% 63% 746

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Astronomy & Astrophysics 1097929 95% 4% 19104
2 Mathematics, Interdisciplinary Applications 720 2% 0% 369
3 Geosciences, Multidisciplinary 353 3% 0% 555
4 Engineering, Aerospace 23 0% 0% 78
5 Physics, Fluids & Plasmas 18 1% 0% 162
6 Geochemistry & Geophysics 1 1% 0% 160
7 Biology 0 1% 0% 161
8 Cultural Studies -7 0% 0% 1
9 Asian Studies -8 0% 0% 1
10 Engineering, Ocean -12 0% 0% 1

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 ASTRON 677024 26% 9% 5287
2 ASTROPHYS 264339 8% 11% 1551
3 ASTRON ASTROPHYS 234410 8% 10% 1541
4 EXOPLANETS HABITABLE WORLDS 232398 1% 78% 197
5 EXOPLANETS STELLAR ASTROPHYS 178771 1% 82% 143
6 TERR MAGNETISM 164194 2% 25% 428
7 STEWARD OBSERV 148845 3% 15% 675
8 EXOPLANET SCI 145807 1% 73% 131
9 NASA EXOPLANET SCI 122335 1% 66% 122
10 ASTROFIS 118413 3% 14% 566

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 ASTROPHYSICAL JOURNAL 550393 27% 7% 5330
2 ASTRONOMY & ASTROPHYSICS 440765 19% 8% 3827
3 ASTRONOMICAL JOURNAL 228672 7% 10% 1468
4 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 215400 12% 6% 2505
5 ASTROPHYSICAL JOURNAL LETTERS 131500 4% 12% 732
6 ICARUS 118030 4% 9% 853
7 CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY 105912 2% 20% 356
8 CELESTIAL MECHANICS 40902 1% 21% 129
9 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 36368 2% 7% 357
10 IAU SYMPOSIA 35667 2% 6% 434

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class		 LCSH search Wikipedia search
1 PLANETARY SYSTEMS 3623404 15% 79% 3030 Search PLANETARY+SYSTEMS Search PLANETARY+SYSTEMS
2 STARS PRE MAIN SEQUENCE 2509194 14% 61% 2728 Search STARS+PRE+MAIN+SEQUENCE Search STARS+PRE+MAIN+SEQUENCE
3 PLANETS AND SATELLITES FORMATION 1478438 6% 84% 1156 Search PLANETS+AND+SATELLITES+FORMATION Search PLANETS+AND+SATELLITES+FORMATION
4 PROTOPLANETARY DISKS 1336787 5% 82% 1075 Search PROTOPLANETARY+DISKS Search PROTOPLANETARY+DISKS
5 STARS LOW MASS BROWN DWARFS 1136446 5% 73% 1025 Search STARS+LOW+MASS+BROWN+DWARFS Search STARS+LOW+MASS+BROWN+DWARFS
6 BROWN DWARFS 1116919 4% 84% 873 Search BROWN+DWARFS Search BROWN+DWARFS
7 CIRCUMSTELLAR MATTER 948050 9% 36% 1749 Search CIRCUMSTELLAR+MATTER Search CIRCUMSTELLAR+MATTER
8 STARS LOW MASS 819894 4% 64% 844 Search STARS+LOW+MASS Search STARS+LOW+MASS
9 TECHNIQUES RADIAL VELOCITIES 716462 4% 63% 746 Search TECHNIQUES+RADIAL+VELOCITIES Search TECHNIQUES+RADIAL+VELOCITIES
10 PLANETARY SYSTEMS PROTOPLANETARY DISKS 657214 2% 86% 501 Search PLANETARY+SYSTEMS+PROTOPLANETARY+DISKS Search PLANETARY+SYSTEMS+PROTOPLANETARY+DISKS

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 BOWLER, BP , (2016) IMAGING EXTRASOLAR GIANT PLANETS.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC. VOL. 128. ISSUE 968. P. - 478 93% 6
2 ANDREWS, SM , (2015) OBSERVATIONS OF SOLIDS IN PROTOPLANETARY DISKS.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC. VOL. 127. ISSUE 956. P. 961 -993 441 84% 11
3 LIU, MC , DUPUY, TJ , (2012) THE HAWAII INFRARED PARALLAX PROGRAM. I. ULTRACOOL BINARIES AND THE L/T TRANSITION.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES. VOL. 201. ISSUE 2. P. - 275 95% 158
4 WINN, JN , FABRYCKY, DC , (2015) THE OCCURRENCE AND ARCHITECTURE OF EXOPLANETARY SYSTEMS.ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, VOL 53. VOL. 53. ISSUE . P. 409 -447 235 90% 60
5 SICILIA-AGUILAR, A , BANZATTI, A , CARMONA, A , STOLKER, T , KAMA, M , MENDIGUTIA, I , GARUFI, A , FLAHERTY, K , VAN DER MAREL, N , GREAVES, J , (2016) A 'ROSETTA STONE' FOR PROTOPLANETARY DISKS: THE SYNERGY OF MULTI-WAVELENGTH OBSERVATIONS.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA. VOL. 33. ISSUE . P. - 357 98% 0
6 LUHMAN, KL , (2012) THE FORMATION AND EARLY EVOLUTION OF LOW-MASS STARS AND BROWN DWARFS.ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, VOL 50. VOL. 50. ISSUE . P. 65 -106 324 88% 64
7 BAILEY, J , (2014) THE DAWES REVIEW 3: THE ATMOSPHERES OF EXTRASOLAR PLANETS AND BROWN DWARFS.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA. VOL. 31. ISSUE . P. 1 -36 394 81% 3
8 SANTERNE, A , MOUTOU, C , TSANTAKI, M , BOUCHY, F , HEBRARD, G , ADIBEKYAN, V , ALMENARA, JM , AMARD, L , BARROS, SCC , BOISSE, I , ET AL (2016) SOPHIE VELOCIMETRY OF KEPLER TRANSIT CANDIDATES XVII. THE PHYSICAL PROPERTIES OF GIANT EXOPLANETS WITHIN 400 DAYS OF PERIOD.ASTRONOMY & ASTROPHYSICS. VOL. 587. ISSUE . P. - 166 92% 17
9 MADHUSUDHAN, N , AGUNDEZ, M , MOSES, J , HU, YY , (2016) EXOPLANETARY ATMOSPHERES-CHEMISTRY, FORMATION CONDITIONS, AND HABITABILITY.SPACE SCIENCE REVIEWS. VOL. 205. ISSUE 1-4. P. 285 -348 323 89% 0
10 WILLIAMS, JP , CIEZA, LA , (2011) PROTOPLANETARY DISKS AND THEIR EVOLUTION.ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, VOL 49. VOL. 49. ISSUE . P. 67 -117 220 73% 375

Classes with closest relation at Level 2


Rank Class id link
1 221 ASTRONOMY & ASTROPHYSICS//STARS ACTIVITY//STARS OSCILLATIONS
2 38 STARS FORMATION//ISM CLOUDS//ISM MOLECULES
3 3915 SETI//EXTRATERRESTRIAL INTELLIGENCE//FERMI PARADOX
4 836 ICARUS//TITAN//JUPITER
5 638 METEORITICS & PLANETARY SCIENCE//COMETS//METEORS
6 158 GLOBULAR CLUSTERS GENERAL//ASTRONOMY & ASTROPHYSICS//STARS ABUNDANCES
7 3852 PUBLICATIONS BIBLIOGRAPHY//RELATED FIELDS//SOCIOLOGY OF ASTRONOMY
8 477 ASTEROIDS//JOURNAL OF GUIDANCE CONTROL AND DYNAMICS//ENGINEERING, AEROSPACE
9 1405 SITE TESTING//ATMOSPHERIC EFFECTS//INSTRUMENTATION ADAPTIVE OPTICS
10 159 WHITE DWARFS//NOVAE CATACLYSMIC VARIABLES//STARS AGB AND POST AGB

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