Class information for:
Level 2: PLANETARY SYSTEMS//PLANETS AND SATELLITES FORMATION//TECHNIQUES RADIAL VELOCITIES

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
1036 2             PLANETARY SYSTEMS//PLANETS AND SATELLITES FORMATION//TECHNIQUES RADIAL VELOCITIES 10481
56 1                   PLANETARY SYSTEMS//TECHNIQUES RADIAL VELOCITIES//TECHNIQUES PHOTOMETRIC 4798
2301 1                   PLANETS AND SATELLITES FORMATION//PROTOPLANETARY DISKS//SOLAR SYSTEM FORMATION 2325
9484 1                   CIRCUMSTELLAR MATTER//STARS INDIVIDUAL BETA PICTORIS//STARS INDIVIDUAL FOMALHAUT 1183
11979 1                   ASTROBIOLOGY//HABITABLE ZONE//PLANETS AND SATELLITES TERRESTRIAL PLANETS 968
15127 1                   SETI//EXTRATERRESTRIAL INTELLIGENCE//FERMI PARADOX 756
21222 1                   HILL STABILITY//STARS INDIVIDUAL GAMMA CEPHEI//CELESTIAL MECHANICS 451

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PLANETARY SYSTEMS authKW 5997776 27% 70% 2840
2 PLANETS AND SATELLITES FORMATION authKW 2156623 10% 69% 1037
3 TECHNIQUES RADIAL VELOCITIES authKW 1252346 7% 58% 717
4 PLANETS AND SATELLITES ATMOSPHERES authKW 1113321 5% 65% 574
5 PLANETARY SYSTEMS FORMATION authKW 948331 4% 79% 402
6 TECHNIQUES PHOTOMETRIC authKW 742030 9% 27% 921
7 PLANETS AND SATELLITES DYNAMICAL EVOLUTION AND STABILITY authKW 689632 4% 58% 396
8 PLANETS AND SATELLITES DETECTION authKW 680100 3% 62% 363
9 STARS PLANETARY SYSTEMS authKW 651772 3% 75% 289
10 PLANETS AND SATELLITES GENERAL authKW 575880 4% 47% 408

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Astronomy & Astrophysics 508084 89% 2% 9379
2 Engineering, Aerospace 3425 3% 0% 310
3 Geosciences, Multidisciplinary 2243 6% 0% 680
4 Biology 1056 4% 0% 371
5 Geochemistry & Geophysics 167 2% 0% 191
6 Meteorology & Atmospheric Sciences 17 1% 0% 116
7 Mathematics, Interdisciplinary Applications 16 1% 0% 82
8 History & Philosophy of Science 2 0% 0% 18
9 Social Sciences, Interdisciplinary 2 0% 0% 36
10 Social Issues 0 0% 0% 13

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTRON 301495 25% 4% 2571
2 EXOPLANETS HABITABLE WORLDS 298740 2% 58% 171
3 EXOPLANET SCI 233242 1% 61% 128
4 TERR MAGNETISM 183297 3% 19% 327
5 ASTRON ASTROPHYS 172712 9% 6% 967
6 NASA EXOPLANET SCI 145650 1% 50% 97
7 ASTROPHYS 128383 8% 5% 790
8 ASTROFIS 113482 4% 9% 411
9 OBSERV GENEVE 112178 1% 38% 98
10 SPACE HABITABIL 110370 1% 50% 73

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASTROPHYSICAL JOURNAL 291535 27% 4% 2800
2 ASTRONOMY & ASTROPHYSICS 169821 16% 3% 1706
3 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 122830 13% 3% 1383
4 ASTROPHYSICAL JOURNAL LETTERS 97368 4% 7% 460
5 INTERNATIONAL JOURNAL OF ASTROBIOLOGY 82316 1% 25% 112
6 ASTROBIOLOGY 73311 1% 16% 156
7 ICARUS 64658 4% 5% 455
8 ASTRONOMICAL JOURNAL 34988 4% 3% 416
9 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 25254 2% 4% 213
10 ACTA ASTRONAUTICA 21407 2% 3% 209

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PLANETARY SYSTEMS 5997776 27% 70% 2840 Search PLANETARY+SYSTEMS Search PLANETARY+SYSTEMS
2 PLANETS AND SATELLITES FORMATION 2156623 10% 69% 1037 Search PLANETS+AND+SATELLITES+FORMATION Search PLANETS+AND+SATELLITES+FORMATION
3 TECHNIQUES RADIAL VELOCITIES 1252346 7% 58% 717 Search TECHNIQUES+RADIAL+VELOCITIES Search TECHNIQUES+RADIAL+VELOCITIES
4 PLANETS AND SATELLITES ATMOSPHERES 1113321 5% 65% 574 Search PLANETS+AND+SATELLITES+ATMOSPHERES Search PLANETS+AND+SATELLITES+ATMOSPHERES
5 PLANETARY SYSTEMS FORMATION 948331 4% 79% 402 Search PLANETARY+SYSTEMS+FORMATION Search PLANETARY+SYSTEMS+FORMATION
6 TECHNIQUES PHOTOMETRIC 742030 9% 27% 921 Search TECHNIQUES+PHOTOMETRIC Search TECHNIQUES+PHOTOMETRIC
7 PLANETS AND SATELLITES DYNAMICAL EVOLUTION AND STABILITY 689632 4% 58% 396 Search PLANETS+AND+SATELLITES+DYNAMICAL+EVOLUTION+AND+STABILITY Search PLANETS+AND+SATELLITES+DYNAMICAL+EVOLUTION+AND+STABILITY
8 PLANETS AND SATELLITES DETECTION 680100 3% 62% 363 Search PLANETS+AND+SATELLITES+DETECTION Search PLANETS+AND+SATELLITES+DETECTION
9 STARS PLANETARY SYSTEMS 651772 3% 75% 289 Search STARS+PLANETARY+SYSTEMS Search STARS+PLANETARY+SYSTEMS
10 PLANETS AND SATELLITES GENERAL 575880 4% 47% 408 Search PLANETS+AND+SATELLITES+GENERAL Search PLANETS+AND+SATELLITES+GENERAL

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 2


rank cluster_id2 link
1 125 ICARUS//ASTEROIDS//ASTRONOMY & ASTROPHYSICS
2 1 ASTRONOMY & ASTROPHYSICS//STARS ABUNDANCES//STARS FUNDAMENTAL PARAMETERS
3 63 STARS FORMATION//ISM CLOUDS//ISM MOLECULES
4 2789 GRAVITATIONAL LENSING MICRO//GRAVITATIONAL LENSING//PRIMORDIAL BLACK HOLES
5 4028 DROP ANALYSIS//PUBLICATIONS BIBLIOGRAPHY//TENSIOGRAPHY
6 3306 CENTRAL CONFIGURATIONS//N BODY PROBLEM//RESTRICTED THREE BODY PROBLEM
7 1603 SITE TESTING//ATMOSPHERIC EFFECTS//INSTRUMENTATION ADAPTIVE OPTICS
8 217 METEORITICS & PLANETARY SCIENCE//JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS//MARS
9 2122 VENUS//MARS ATMOSPHERE//JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
10 365 BLACK HOLE PHYSICS//X RAYS BINARIES//ACCRETION ACCRETION DISKS

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