Class information for:
Level 1: SPACECRAFT CHARGING//SPACECRAFT ENVIRONM INTERACT ENGN//SPACE ENVIRONMENT EFFECTS

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
45 3       JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS//ASTRONOMY & ASTROPHYSICS//SOLAR PHYSICS 104301
2643 2             ATOMIC OXYGEN//SPACECRAFT CHARGING//JOURNAL OF SPACECRAFT AND ROCKETS 3725
14584 1                   SPACECRAFT CHARGING//SPACECRAFT ENVIRONM INTERACT ENGN//SPACE ENVIRONMENT EFFECTS 790

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACECRAFT CHARGING authKW 1844622 9% 68% 68
2 SPACECRAFT ENVIRONM INTERACT ENGN address 430833 2% 60% 18
3 SPACE ENVIRONMENT EFFECTS authKW 321800 1% 73% 11
4 MAT PHYS GRP address 228568 2% 30% 19
5 SUSTAINED ARC authKW 217194 1% 78% 7
6 DEEP DIELECTRIC CHARGING authKW 212759 1% 67% 8
7 ELECTROSTATIC TRACTOR authKW 199466 1% 100% 5
8 SPACECRAFT SHEATHS WAKES CHARGING authKW 196392 1% 62% 8
9 INTER SATELLITE ELECTROMAGNETIC FORCE authKW 166220 1% 83% 5
10 COULOMB FORMATIONS authKW 159573 1% 100% 4

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Aerospace 31237 30% 0% 239
2 Physics, Fluids & Plasmas 6859 23% 0% 182
3 Astronomy & Astrophysics 1289 18% 0% 140
4 Nuclear Science & Technology 1167 12% 0% 93
5 Engineering, Electrical & Electronic 449 16% 0% 128
6 Meteorology & Atmospheric Sciences 281 6% 0% 47
7 Instruments & Instrumentation 151 5% 0% 41
8 Geosciences, Multidisciplinary 151 6% 0% 49
9 Physics, Applied 13 6% 0% 47
10 Telecommunications 10 2% 0% 13

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACECRAFT ENVIRONM INTERACT ENGN 430833 2% 60% 18
2 MAT PHYS GRP 228568 2% 30% 19
3 S SPACECRAFT ENVIRONM ENGN 159573 1% 100% 4
4 SPACE ENVIRONM DESP 127657 1% 80% 4
5 SPACE ENVIRONM EFFECTS GRP 89758 0% 75% 3
6 MOTOROLA GED 79787 0% 100% 2
7 RADIAT EFFECTS ESD ANAL TESTS 79787 0% 100% 2
8 RVSV 79787 0% 100% 2
9 SOLAR ARRAY DEPLOYABLE GRP 79787 0% 100% 2
10 SPACECRAFT CHARGING SCI TECHNOL 79787 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF SPACECRAFT AND ROCKETS 143814 16% 3% 125
2 IEEE TRANSACTIONS ON PLASMA SCIENCE 101069 20% 2% 159
3 IEEE TRANSACTIONS ON NUCLEAR SCIENCE 17421 11% 1% 86
4 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 8838 8% 0% 67
5 SPACE POWER 6522 0% 5% 3
6 OPTICAL SPECTRA 5906 0% 7% 2
7 ASTRONAUTICS & AERONAUTICS 5880 0% 5% 3
8 JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 4499 3% 0% 26
9 ACTA ASTRONAUTICA 4429 3% 0% 26
10 JOURNAL OF THE ASTRONAUTICAL SCIENCES 4359 1% 1% 10

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SPACECRAFT CHARGING 1844622 9% 68% 68 Search SPACECRAFT+CHARGING Search SPACECRAFT+CHARGING
2 SPACE ENVIRONMENT EFFECTS 321800 1% 73% 11 Search SPACE+ENVIRONMENT+EFFECTS Search SPACE+ENVIRONMENT+EFFECTS
3 SUSTAINED ARC 217194 1% 78% 7 Search SUSTAINED+ARC Search SUSTAINED+ARC
4 DEEP DIELECTRIC CHARGING 212759 1% 67% 8 Search DEEP+DIELECTRIC+CHARGING Search DEEP+DIELECTRIC+CHARGING
5 ELECTROSTATIC TRACTOR 199466 1% 100% 5 Search ELECTROSTATIC+TRACTOR Search ELECTROSTATIC+TRACTOR
6 SPACECRAFT SHEATHS WAKES CHARGING 196392 1% 62% 8 Search SPACECRAFT+SHEATHS+WAKES+CHARGING Search SPACECRAFT+SHEATHS+WAKES+CHARGING
7 INTER SATELLITE ELECTROMAGNETIC FORCE 166220 1% 83% 5 Search INTER+SATELLITE+ELECTROMAGNETIC+FORCE Search INTER+SATELLITE+ELECTROMAGNETIC+FORCE
8 COULOMB FORMATIONS 159573 1% 100% 4 Search COULOMB+FORMATIONS Search COULOMB+FORMATIONS
9 ELECTROMAGNETIC FORMATION FLIGHT 159573 1% 100% 4 Search ELECTROMAGNETIC+FORMATION+FLIGHT Search ELECTROMAGNETIC+FORMATION+FLIGHT
10 SOLAR ARRAY 143816 2% 23% 16 Search SOLAR+ARRAY Search SOLAR+ARRAY

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 14607 ANNALES DE GEOPHYSIQUE//SCI TECHNOL RELIABIL ENGN//BEAM VELOCITY
2 22335 ATMOSPHERIC SMALL SCALE FLUCTUATIONS//INFRARED LIMB RADIANCE//SPACE MEDIUM
3 22319 RADIATION INDUCED CONDUCTIVITY RIC//OBNINSK//NNSA SATELLITE PROGRAMS 5732
4 10511 LAMACOP//SECONDARY ELECTRON EMISSION//DOPANT CONTRAST
5 13346 TETHERED SATELLITE SYSTEM//ELECTRODYNAMIC TETHER//TETHERED SATELLITE
6 2066 RADIATION BELTS//WAVE PARTICLE INTERACTIONS//SPACE SCI PLICAT GRP
7 8077 FORMATION FLYING//JOURNAL OF GUIDANCE CONTROL AND DYNAMICS//SPACECRAFT FORMATION FLYING
8 15061 ATOMIC OXYGEN//LOW EARTH ORBIT//ATOMIC OXYGEN AO
9 11192 MERCURY ATMOSPHERE//EXOSPHERE//MOON
10 11199 SURFACE FLASHOVER//IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION//NON STANDARD LIGHTNING IMPULSE WAVEFORM

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