Class information for:
Level 1: UMR 8028//MECAN CELESTE CALCUL EPHEMERIDES//EPHEMERIDES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
19387 508 19.2 45%


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
170 3       ICARUS//JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS//METEORITICS & PLANETARY SCIENCE 58974
836 2             ICARUS//TITAN//JUPITER 11789
19387 1                   UMR 8028//MECAN CELESTE CALCUL EPHEMERIDES//EPHEMERIDES 508

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 UMR 8028 address 642545 8% 25% 42
2 MECAN CELESTE CALCUL EPHEMERIDES address 609485 7% 27% 37
3 EPHEMERIDES authKW 450945 9% 16% 46
4 SATURNS SATELLITES authKW 360647 1% 100% 6
5 SHANGHAI ASTRON OBSERV SHAO address 360647 1% 100% 6
6 UNITED OPT ASTROMETRY address 360647 1% 100% 6
7 PLANETS AND SATELLITES INDIVIDUAL PHOEBE authKW 327251 1% 78% 7
8 ASTROMETRY authKW 306060 21% 5% 107
9 ORBITAL EVOLUTION authKW 247744 3% 32% 13
10 EXACT POSITIONS authKW 240432 1% 100% 4

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 25739 92% 0% 466
2 Physics, Multidisciplinary 60 7% 0% 34
3 Mathematics, Interdisciplinary Applications 52 3% 0% 14
4 Engineering, Aerospace 20 1% 0% 6
5 History & Philosophy of Science 3 0% 0% 2
6 Geochemistry & Geophysics 1 1% 0% 6
7 Music 1 0% 0% 1
8 Multidisciplinary Sciences 0 0% 0% 2
9 Remote Sensing 0 0% 0% 1
10 Education, Scientific Disciplines -0 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 UMR 8028 642545 8% 25% 42
2 MECAN CELESTE CALCUL EPHEMERIDES 609485 7% 27% 37
3 SHANGHAI ASTRON OBSERV SHAO 360647 1% 100% 6
4 UNITED OPT ASTROMETRY 360647 1% 100% 6
5 NTSC 196711 1% 55% 6
6 SINO FRENCH JOINT ASTROMETRY DYNAM SPACE SC 192344 1% 80% 4
7 CELESTIAL MECH EPHEMERIS COMPUTAT 180324 1% 100% 3
8 JOINT OPT ASTRON 133143 2% 18% 12
9 UMR CNRS 8028 127280 1% 35% 6
10 CELESTIAL MECH EPHEMERIDES CALCULAT 120216 0% 100% 2

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 SOLAR SYSTEM RESEARCH 144302 9% 5% 45
2 ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS 25119 6% 1% 31
3 ASTRONOMICHESKII ZHURNAL 22289 6% 1% 28
4 ASTRONOMY & ASTROPHYSICS 18925 25% 0% 126
5 ANNALES DE PHYSIQUE 13976 3% 1% 17
6 ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 13838 6% 1% 29
7 CELESTIAL MECHANICS 11785 2% 2% 11
8 ICARUS 8342 7% 0% 36
9 ASTRONOMICAL JOURNAL 7046 8% 0% 41
10 CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY 6478 3% 1% 14

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 EPHEMERIDES 450945 9% 16% 46 Search EPHEMERIDES Search EPHEMERIDES
2 SATURNS SATELLITES 360647 1% 100% 6 Search SATURNS+SATELLITES Search SATURNS+SATELLITES
3 PLANETS AND SATELLITES INDIVIDUAL PHOEBE 327251 1% 78% 7 Search PLANETS+AND+SATELLITES+INDIVIDUAL+PHOEBE Search PLANETS+AND+SATELLITES+INDIVIDUAL+PHOEBE
4 ASTROMETRY 306060 21% 5% 107 Search ASTROMETRY Search ASTROMETRY
5 ORBITAL EVOLUTION 247744 3% 32% 13 Search ORBITAL+EVOLUTION Search ORBITAL+EVOLUTION
6 EXACT POSITIONS 240432 1% 100% 4 Search EXACT+POSITIONS Search EXACT+POSITIONS
7 ECLIPSES 237107 6% 12% 33 Search ECLIPSES Search ECLIPSES
8 OCCULTATIONS 225112 7% 11% 35 Search OCCULTATIONS Search OCCULTATIONS
9 URANIAN SATELLITES 214668 1% 71% 5 Search URANIAN+SATELLITES Search URANIAN+SATELLITES
10 SECULAR PERTURBATIONS 196711 1% 55% 6 Search SECULAR+PERTURBATIONS Search SECULAR+PERTURBATIONS

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 EMELYANOV, NV , NIKONCHUK, DV , (2013) EPHEMERIDES OF THE MAIN URANIAN SATELLITES.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 436. ISSUE 4. P. 3668 -3679 30 88% 8
2 DESMARS, J , VIENNE, A , ARLOT, JE , (2009) A NEW CATALOGUE OF OBSERVATIONS OF THE EIGHT MAJOR SATELLITES OF SATURN (1874-2007).ASTRONOMY & ASTROPHYSICS. VOL. 493. ISSUE 3. P. 1183 -1195 30 97% 3
3 EMELYANOV, NV , SAMORODOV, MY , (2015) ANALYTICAL THEORY OF MOTION AND NEW EPHEMERIS OF TRITON FROM OBSERVATIONS.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 454. ISSUE 2. P. 2205 -2215 24 89% 0
4 JACOBSON, RA , (2014) THE ORBITS OF THE URANIAN SATELLITES AND RINGS, THE GRAVITY FIELD OF THE URANIAN SYSTEM, AND THE ORIENTATION OF THE POLE OF URANUS.ASTRONOMICAL JOURNAL. VOL. 148. ISSUE 5. P. - 27 63% 2
5 QIAO, RC , CHENG, X , DOURNEAU, G , XI, XJ , ZHANG, HY , TANG, ZH , SHEN, KX , (2013) CCD ASTROMETRIC OBSERVATIONS OF THE FIVE MAJOR URANIAN SATELLITES MADE IN 1998-2007 AND COMPARISON WITH THEORY.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 428. ISSUE 3. P. 2755-2764 18 95% 4
6 MORGADO, B , ASSAFIN, M , VIEIRA-MARTINS, R , CAMARGO, JIB , DIAS-OLIVEIRA, A , GOMES, AR , (2016) Y ASTROMETRY OF MUTUAL APPROXIMATIONS BETWEEN NATURAL SATELLITES. APPLICATION TO THE GALILEAN MOONS.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 460. ISSUE 4. P. 4086 -4097 19 83% 0
7 JACOBSON, RA , (2004) THE ORBITS OF THE MAJOR SATURNIAN SATELLITES AND THE GRAVITY FIELD OF SATURN FROM SPACECRAFT AND EARTH-BASED OBSERVATIONS.ASTRONOMICAL JOURNAL. VOL. 128. ISSUE 1. P. 492 -501 29 66% 30
8 DESMARS, J , LI, SN , TAJEDDINE, R , PENG, QY , TANG, ZH , (2013) PHOEBE'S ORBIT FROM GROUND-BASED AND SPACE-BASED OBSERVATIONS.ASTRONOMY & ASTROPHYSICS. VOL. 553. ISSUE . P. - 22 71% 1
9 ASSAFIN, M , VIEIRA-MARTINS, R , BRAGA-RIBAS, F , CAMARGO, JIB , NETO, DND , ANDREI, AH , (2009) OBSERVATIONS AND ANALYSIS OF MUTUAL EVENTS BETWEEN THE URANUS MAIN SATELLITES.ASTRONOMICAL JOURNAL. VOL. 137. ISSUE 4. P. 4046 -4053 21 81% 3
10 ARLOT, JE , EMELYANOV, NV , ASLAN, Z , ASSAFIN, M , BEL, J , BHATT, BC , BRAGA-RIBAS, F , CAMARGO, JIB , CASAS, R , COLAS, F , ET AL (2013) ASTROMETRIC RESULTS OF OBSERVATIONS OF MUTUAL OCCULTATIONS AND ECLIPSES OF THE URANIAN SATELLITES IN 2007.ASTRONOMY & ASTROPHYSICS. VOL. 557. ISSUE . P. - 15 94% 1

Classes with closest relation at Level 1


Rank Class id link
1 20562 PHYSICAL LIBRATIONS//CELESTIAL MECHANICS//ILOM
2 9725 PLANETARY RINGS//SATURN RINGS//PLANETS AND SATELLITES RINGS
3 21007 PHOBOS//DEIMOS//PLANETS AND SATELLITES INDIVIDUAL PHOBOS
4 19537 IO//JUPITER SATELLITES//ICARUS
5 12016 CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY//KIRKWOOD GAPS//CELESTIAL MECHANICS
6 8630 REFERENCE SYSTEMS//ASTROMETRY//HIPPARCOS
7 16734 PLUTO//PLUTO ATMOSPHERE//PLUTO SURFACE
8 5662 EUROPA//ENCELADUS//GANYMEDE
9 33562 ETUD SYNTH//NEUTRALIZING BACKGROUND//ORIGIN OF TERRESTRIAL PLANETS
10 4238 KUIPER BELT//OORT CLOUD//KUIPER BELT GENERAL

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