Class information for:
Level 1: CEPHEIDS//STARS VARIABLES CEPHEIDS//STARS CEPHEIDS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
4639 1751 36.6 55%


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
158 2             GLOBULAR CLUSTERS GENERAL//ASTRONOMY & ASTROPHYSICS//STARS ABUNDANCES 22875
4639 1                   CEPHEIDS//STARS VARIABLES CEPHEIDS//STARS CEPHEIDS 1751

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 CEPHEIDS authKW 5204895 23% 75% 400
2 STARS VARIABLES CEPHEIDS authKW 4761419 18% 86% 317
3 STARS CEPHEIDS authKW 513208 2% 89% 33
4 DISTANCE SCALE authKW 436449 9% 15% 165
5 STARS OSCILLATIONS authKW 285706 13% 7% 236
6 STARS DISTANCES authKW 275316 7% 14% 115
7 MAGELLANIC CLOUDS authKW 165265 8% 7% 135
8 ODESSA BRANCH address 107225 1% 27% 23
9 ASTRONOMY & ASTROPHYSICS WoSSC 104518 99% 0% 1741
10 STARS INDIVIDUAL DELTA CEPHEI authKW 89675 0% 86% 6

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 104518 99% 0% 1741
2 Imaging Science & Photographic Technology -2 0% 0% 1
3 Multidisciplinary Sciences -3 0% 0% 1
4 Physics, Mathematical -4 0% 0% 6
5 Computer Science, Interdisciplinary Applications -9 0% 0% 2
6 Mathematics, Applied -17 0% 0% 5
7 Physics, Multidisciplinary -26 0% 0% 4

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 ODESSA BRANCH 107225 1% 27% 23
2 UNIDAD MIXTA INTERNAC FRANCO CHILENA ASTRON 52311 0% 100% 3
3 ASTRON 45148 23% 1% 404
4 COMP SCI ASTROPHYS 34874 0% 100% 2
5 LESIA UMR 8109OBSERV PARISPSL 34874 0% 100% 2
6 ASTRON GRP 30577 1% 7% 24
7 SAO RAS BRANCH 26153 0% 50% 3
8 VIA E BIANCHI 46 26153 0% 50% 3
9 MOSCOW BRANCH 25827 1% 11% 13
10 STERNBERG ASTRON 21843 3% 2% 55

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 ASTRONOMICAL JOURNAL 60181 13% 2% 222
2 ACTA ASTRONOMICA 45795 2% 6% 41
3 ASTRONOMY & ASTROPHYSICS 41022 20% 1% 345
4 ASTROPHYSICAL JOURNAL 33953 22% 1% 392
5 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 31785 6% 2% 98
6 ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS 18155 3% 2% 49
7 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 17984 12% 0% 214
8 OBSERVATORY 10537 1% 3% 21
9 ASTROPHYSICS AND SPACE SCIENCE 10312 5% 1% 87
10 JOURNAL OF THE ROYAL ASTRONOMICAL SOCIETY OF CANADA 8878 1% 5% 10

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 CEPHEIDS 5204895 23% 75% 400 Search CEPHEIDS Search CEPHEIDS
2 STARS VARIABLES CEPHEIDS 4761419 18% 86% 317 Search STARS+VARIABLES+CEPHEIDS Search STARS+VARIABLES+CEPHEIDS
3 STARS CEPHEIDS 513208 2% 89% 33 Search STARS+CEPHEIDS Search STARS+CEPHEIDS
4 DISTANCE SCALE 436449 9% 15% 165 Search DISTANCE+SCALE Search DISTANCE+SCALE
5 STARS OSCILLATIONS 285706 13% 7% 236 Search STARS+OSCILLATIONS Search STARS+OSCILLATIONS
6 STARS DISTANCES 275316 7% 14% 115 Search STARS+DISTANCES Search STARS+DISTANCES
7 MAGELLANIC CLOUDS 165265 8% 7% 135 Search MAGELLANIC+CLOUDS Search MAGELLANIC+CLOUDS
8 STARS INDIVIDUAL DELTA CEPHEI 89675 0% 86% 6 Search STARS+INDIVIDUAL+DELTA+CEPHEI Search STARS+INDIVIDUAL+DELTA+CEPHEI
9 STARS INDIVIDUAL DELTA CEP 87185 0% 100% 5 Search STARS+INDIVIDUAL+DELTA+CEP Search STARS+INDIVIDUAL+DELTA+CEP
10 STARS INDIVIDUAL POLARIS 87185 0% 100% 5 Search STARS+INDIVIDUAL+POLARIS Search STARS+INDIVIDUAL+POLARIS

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 GROENEWEGEN, MAT , (2013) BAADE-WESSELINK DISTANCES TO GALACTIC AND MAGELLANIC CLOUD CEPHEIDS AND THE EFFECT OF METALLICITY.ASTRONOMY & ASTROPHYSICS. VOL. 550. ISSUE . P. - 163 94% 19
2 GROENEWEGEN, MAT , (2008) BAADE-WESSELINK DISTANCES AND THE EFFECT OF METALLICITY IN CLASSICAL CEPHEIDS.ASTRONOMY & ASTROPHYSICS. VOL. 488. ISSUE 1. P. 25 -35 96 95% 32
3 PEJCHA, O , KOCHANEK, CS , (2012) A GLOBAL PHYSICAL MODEL FOR CEPHEIDS.ASTROPHYSICAL JOURNAL. VOL. 748. ISSUE 2. P. - 94 79% 18
4 ANDERSON, RI , EYER, L , MOWLAVI, N , (2013) CEPHEIDS IN OPEN CLUSTERS: AN 8D ALL-SKY CENSUS.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 434. ISSUE 3. P. 2238 -2261 95 70% 18
5 STORM, J , GIEREN, W , FOUQUE, P , BARNES, TG , PIETRZYNSKI, G , NARDETTO, N , WEBER, M , GRANZER, T , STRASSMEIER, KG , (2011) CALIBRATING THE CEPHEID PERIOD-LUMINOSITY RELATION FROM THE INFRARED SURFACE BRIGHTNESS TECHNIQUE I. THE P-FACTOR, THE MILKY WAY RELATIONS, AND A UNIVERSAL K-BAND RELATION.ASTRONOMY & ASTROPHYSICS. VOL. 534. ISSUE . P. - 67 92% 39
6 BONO, G , CAPUTO, F , MARCONI, M , MUSELLA, I , (2010) INSIGHTS INTO THE CEPHEID DISTANCE SCALE.ASTROPHYSICAL JOURNAL. VOL. 715. ISSUE 1. P. 277 -291 81 77% 47
7 BREITFELDER, J , MERAND, A , KERVELLA, P , GALLENNE, A , SZABADOS, L , ANDERSON, RI , BOUQUIN, JB , (2016) OBSERVATIONAL CALIBRATION OF THE PROJECTION FACTOR OF CEPHEIDS II. APPLICATION TO NINE CEPHEIDS WITH HST/FGS PARALLAX MEASUREMENTS.ASTRONOMY & ASTROPHYSICS. VOL. 587. ISSUE . P. - 58 88% 2
8 BHARDWAJ, A , KANBUR, SM , MACRI, LM , SINGH, HP , NGEOW, CC , WAGNER-KAISER, R , SARAJEDINI, A , (2016) LARGE MAGELLANIC CLOUD NEAR-INFRARED SYNOPTIC SURVEY. II. THE WESENHEIT RELATIONS AND THEIR APPLICATION TO THE DISTANCE SCALE.ASTRONOMICAL JOURNAL. VOL. 151. ISSUE 4. P. - 61 85% 1
9 NGEOW, CC , (2012) ON THE APPLICATION OF WESENHEIT FUNCTION IN DERIVING DISTANCE TO GALACTIC CEPHEIDS.ASTROPHYSICAL JOURNAL. VOL. 747. ISSUE 1. P. - 60 88% 14
10 TURNER, DG , (2016) THE SCALE OF REDDENING FOR CLASSICAL CEPHEID VARIABLES.REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA. VOL. 52. ISSUE 2. P. 223 -239 58 84% 0

Classes with closest relation at Level 1


Rank Class id link
1 8992 STARS AGB AND POST AGB//STARS INDIVIDUAL V4334 SGR//STARS INDIVIDUAL HD 56126
2 404 STARS HORIZONTAL BRANCH//GLOBULAR CLUSTERS GENERAL//STARS VARIABLES RR LYRAE
3 4508 MAGELLANIC CLOUDS//GALAXIES MAGELLANIC CLOUDS//GALAXIES STAR CLUSTERS
4 10586 STARS VARIABLES DELTA SCUTI//DELTA SCUTI//STARS VARIABLES DELTA SCT
5 3524 OPEN CLUSTERS AND ASSOCIATIONS GENERAL//GALAXY OPEN CLUSTERS AND ASSOCIATIONS GENERAL//OPEN CLUSTERS AND ASSOCIATIONS INDIVIDUAL NGC 6791
6 27486 CELESTIAL MECHNICS STELLAR DYNAMICS//CONJUGATE EXPONENTIAL FAMILY//INFORMAT ENGN ENGN
7 37023 ADIABATIC POINTS//GIANTS INTERIORS//PLANETS STRUCTURE AND EVOLUTION
8 27889 GALAXIES INDIVIDUAL M31//GALAXIES INDIVIDUAL M31 M32 NGC 205//ASTRON SPATIALE TRAVERSE SIPHON LES 3 LUCS
9 6058 GALAXIES DISTANCES AND REDSHIFTS//LARGE SCALE STRUCTURE OF UNIVERSE//DISTANCE SCALE
10 35827 LARGE SCALE SUPERSONIC COSMIC HYDRODYNAMICS//ROTATION OF GALAXIES//STAR COMPLEXES

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