Class information for:
Level 4: ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
19 523489 35.2 61%


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
8 3       ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 146114
19 3       ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON 118981
45 3       JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS//ASTRONOMY & ASTROPHYSICS//SOLAR PHYSICS 95613
158 3       NUCLEAR FUSION//PHYSICS, FLUIDS & PLASMAS//PLASMA PHYSICS AND CONTROLLED FUSION 61209
170 3       ICARUS//JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS//METEORITICS & PLANETARY SCIENCE 58974
472 3       FUSION ENGINEERING AND DESIGN//JOURNAL OF NUCLEAR MATERIALS//NUCLEAR SCIENCE & TECHNOLOGY 23979
543 3       PHYSICS OF PLASMAS//DUSTY PLASMA//DUSTY PLASMAS 18619

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 ASTRONOMY & ASTROPHYSICS WoSSC 11607884 61% 65% 320519
2 ASTROPHYSICAL JOURNAL journal 3824868 14% 94% 72450
3 ASTRON address 2876351 11% 91% 56328
4 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY journal 2093374 8% 93% 40201
5 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS journal 1013045 4% 96% 18712
6 ASTRONOMICAL JOURNAL journal 774278 3% 98% 13961
7 PHYS ASTRON address 700927 9% 30% 45885
8 ASTRON ASTROPHYS address 682764 3% 89% 13615
9 GALAXIES ACTIVE authKW 650392 2% 99% 11650
10 GALAXIES EVOLUTION authKW 626745 2% 99% 11212

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 11607884 61% 65% 320519
2 Physics, Fluids & Plasmas 387530 7% 21% 37364
3 Nuclear Science & Technology 140752 6% 11% 28990
4 Geochemistry & Geophysics 128186 5% 12% 26239
5 Physics, Nuclear 126751 5% 11% 28288
6 Engineering, Aerospace 105899 2% 18% 12421
7 Meteorology & Atmospheric Sciences 104108 5% 10% 24353
8 Physics, Particles & Fields 84200 5% 8% 26688
9 Geosciences, Multidisciplinary 71285 5% 7% 28444
10 Physics, Multidisciplinary 26191 5% 4% 26398

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 2876351 11% 91% 56328
2 PHYS ASTRON 700927 9% 30% 45885
3 ASTRON ASTROPHYS 682764 3% 89% 13615
4 ASTROPHYS 584731 2% 87% 11956
5 SPACE SCI 396999 2% 83% 8594
6 ASTRON OBSERV 355372 1% 85% 7469
7 GODDARD SPACE FLIGHT 342657 2% 56% 11184
8 INAF 274904 1% 90% 5448
9 SPACE 263303 1% 70% 6774
10 PHYS 228479 13% 9% 70264

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 3824868 14% 94% 72450
2 ASTRONOMY & ASTROPHYSICS 2486647 9% 94% 46913
3 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 2093374 8% 93% 40201
4 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 1013045 4% 96% 18712
5 ASTRONOMICAL JOURNAL 774278 3% 98% 13961
6 ICARUS 466842 2% 95% 8767
7 IAU SYMPOSIA 384950 1% 93% 7335
8 PHYSICS OF PLASMAS 374144 2% 60% 11252
9 SOLAR PHYSICS 361730 1% 96% 6666
10 ASTROPHYSICS AND SPACE SCIENCE 358998 2% 72% 9018

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 GALAXIES ACTIVE 650392 2% 99% 11650 Search GALAXIES+ACTIVE Search GALAXIES+ACTIVE
2 GALAXIES EVOLUTION 626745 2% 99% 11212 Search GALAXIES+EVOLUTION Search GALAXIES+EVOLUTION
3 STARS FORMATION 488466 2% 99% 8772 Search STARS+FORMATION Search STARS+FORMATION
4 METHODS NUMERICAL 370748 1% 88% 7495 Search METHODS+NUMERICAL Search METHODS+NUMERICAL
5 ACCRETION ACCRETION DISKS 353988 1% 98% 6383 Search ACCRETION+ACCRETION+DISKS Search ACCRETION+ACCRETION+DISKS
6 GALAXIES FORMATION 336662 1% 97% 6137 Search GALAXIES+FORMATION Search GALAXIES+FORMATION
7 GALAXIES CLUSTERS GENERAL 297220 1% 98% 5410 Search GALAXIES+CLUSTERS+GENERAL Search GALAXIES+CLUSTERS+GENERAL
8 STARS NEUTRON 296164 1% 95% 5543 Search STARS+NEUTRON Search STARS+NEUTRON
9 GALAXIES ISM 287283 1% 100% 5121 Search GALAXIES+ISM Search GALAXIES+ISM
10 X RAYS GALAXIES 282765 1% 99% 5049 Search X+RAYS+GALAXIES Search X+RAYS+GALAXIES

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 KORMENDY, J , HO, LC , (2013) COEVOLUTION (OR NOT) OF SUPERMASSIVE BLACK HOLES AND HOST GALAXIES.ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, VOL 51. VOL. 51. ISSUE . P. 511 -653 720 99% 495
2 KUMAR, P , ZHANG, B , (2015) THE PHYSICS OF GAMMA-RAY BURSTS & RELATIVISTIC JETS.PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS. VOL. 561. ISSUE . P. 1 -109 815 98% 70
3 CASEY, CM , NARAYANAN, D , COORAY, A , (2014) DUSTY STAR-FORMING GALAXIES AT HIGH REDSHIFT.PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS. VOL. 541. ISSUE 2. P. 45 -161 815 99% 104
4 TRIMBLE, V , ASCHWANDEN, MJ , HANSEN, CJ , (2007) ASTROPHYSICS IN 2006.SPACE SCIENCE REVIEWS. VOL. 132. ISSUE 1. P. 1 -182 1647 92% 3
5 ASCHWANDEN, MJ , HANSEN, CJ , TRIMBLE, V , (2006) ASTROPHYSICS IN 2005.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC. VOL. 118. ISSUE 845. P. 947 -1047 1664 90% 3
6 ASMUS, D , HONIG, SF , GANDHI, P , SMETTE, A , DUSCHL, WJ , (2014) THE SUBARCSECOND MID-INFRARED VIEW OF LOCAL ACTIVE GALACTIC NUCLEI - I. THE N- AND Q-BAND IMAGING ATLAS(STAR).MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 439. ISSUE 2. P. 1648 -1679 893 100% 29
7 MCKEE, CF , OSTRIKER, EC , (2007) THEORY OF STAR FORMATION.ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS. VOL. 45. ISSUE . P. 565 -687 598 99% 856
8 TRIMBLE, V , ASCHWANDEN, MJ , (2001) ASTROPHYSICS IN 2000.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC. VOL. 113. ISSUE 787. P. 1025 -1114 1646 92% 8
9 TRIMBLE, V , ASCHWANDEN, M , (2005) ASTROPHYSICS IN 2004.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC. VOL. 117. ISSUE 830. P. 311 -394 1473 91% 2
10 EVANS, NJ , KENNICUTT, RC , (2012) STAR FORMATION IN THE MILKY WAY AND NEARBY GALAXIES.ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, VOL 50. VOL. 50. ISSUE . P. 531 -608 472 100% 469

Classes with closest relation at Level 4


Rank Class id link
1 20 PHYSICS, NUCLEAR//PHYSICS, PARTICLES & FIELDS//PHYSICAL REVIEW C
2 10 OPTICS//PHYSICS, PARTICLES & FIELDS//PHYSICS, MULTIDISCIPLINARY
3 18 THERMODYNAMICS//ENERGY & FUELS//ENGINEERING, CHEMICAL
4 24 ENGINEERING, ELECTRICAL & ELECTRONIC//IEEE TRANSACTIONS ON POWER SYSTEMS//IEEE TRANSACTIONS ON POWER ELECTRONICS
5 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES
6 2 MATERIALS SCIENCE, MULTIDISCIPLINARY//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER
7 22 PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS//IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY//PHYSICS, CONDENSED MATTER
8 15 MATHEMATICS//MATHEMATICS, APPLIED//MATH
9 16 ENGINEERING, CIVIL//CONSTRUCTION & BUILDING TECHNOLOGY//MECHANICS
10 9 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//COMPUTER SCIENCE, INFORMATION SYSTEMS

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