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

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
3847 1822 35.8 55%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
5 40754 ASTRONOMY & ASTROPHYSICS//STARS ABUNDANCES//STARS AGB AND POST AGB

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 CEPHEIDS Author keyword 522 71% 23% 417
2 STARS VARIABLES CEPHEIDS Author keyword 364 84% 11% 199
3 STARS VARIABLES CEPHEIDS Author keyword 155 86% 4% 79
4 STARS CEPHEIDS Author keyword 64 88% 2% 30
5 STARS VARIABLES RR LYRAE Author keyword 30 35% 4% 71
6 DISTANCE SCALE Author keyword 29 16% 9% 169
7 STARS INDIVIDUAL RR LYR Author keyword 21 90% 0% 9
8 STARS INDIVIDUAL RR LYR Author keyword 17 100% 0% 8
9 STARS VARIABLES RR LYR Author keyword 11 38% 1% 23
10 STARS DISTANCES Author keyword 8 16% 3% 48

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
LCSH search Wikipedia search
1 CEPHEIDS 522 71% 23% 417 Search CEPHEIDS Search CEPHEIDS
2 STARS VARIABLES CEPHEIDS 364 84% 11% 199 Search STARS+VARIABLES+CEPHEIDS Search STARS+VARIABLES+CEPHEIDS
3 STARS VARIABLES CEPHEIDS 155 86% 4% 79 Search STARS++VARIABLES++CEPHEIDS Search STARS++VARIABLES++CEPHEIDS
4 STARS CEPHEIDS 64 88% 2% 30 Search STARS++CEPHEIDS Search STARS++CEPHEIDS
5 STARS VARIABLES RR LYRAE 30 35% 4% 71 Search STARS+VARIABLES+RR+LYRAE Search STARS+VARIABLES+RR+LYRAE
6 DISTANCE SCALE 29 16% 9% 169 Search DISTANCE+SCALE Search DISTANCE+SCALE
7 STARS INDIVIDUAL RR LYR 21 90% 0% 9 Search STARS++INDIVIDUAL++RR+LYR Search STARS++INDIVIDUAL++RR+LYR
8 STARS INDIVIDUAL RR LYR 17 100% 0% 8 Search STARS+INDIVIDUAL+RR+LYR Search STARS+INDIVIDUAL+RR+LYR
9 STARS VARIABLES RR LYR 11 38% 1% 23 Search STARS++VARIABLES++RR+LYR Search STARS++VARIABLES++RR+LYR
10 STARS DISTANCES 8 16% 3% 48 Search STARS+DISTANCES Search STARS+DISTANCES

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 CLASSICAL CEPHEIDS 364 73% 15% 276
2 GALACTIC CEPHEIDS 120 77% 4% 81
3 PERIOD LUMINOSITY RELATIONS 106 65% 6% 102
4 PERIOD LUMINOSITY RELATION 89 57% 6% 106
5 SOUTHERN CEPHEIDS 73 96% 1% 23
6 PHASE DEPENDENT VARIATION 72 100% 1% 23
7 S CEPHEIDS 62 90% 1% 27
8 HOST GALAXY NGC 4258 52 100% 1% 18
9 MILKY WAY CEPHEIDS 45 94% 1% 16
10 COLOR RELATIONS 44 78% 2% 29

Journals

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
The Hubble Constant 2010 111 91 31%
The influence of chemical composition on the properties of Cepheid stars 2008 68 86 65%
Baade-Wesselink distances and the effect of metallicity in classical cepheids 2008 28 101 95%
THE CEPHEID DISTANCE SCALE 1991 318 65 35%
Cepheids as distance indicators 1999 121 66 52%
Characteristics of the Galaxy according to Cepheids 2009 45 78 53%
The luminosities and distance scales of type II Cepheid and RR Lyrae variables 2008 46 76 58%
The distance scale for classical Cepheid variables 2002 47 80 75%
CEPHEIDS AS DISTANCE INDICATORS 1987 236 82 55%
The distances to open clusters from main-sequence fitting. IV. Galactic Cepheids, the LMC, and the local distance scale 2007 33 125 56%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 ODESSA BRANCH 6 25% 1.1% 20
2 KONKOLY OBSERV 6 13% 2.3% 41
3 BEHLEN OBSERV 3 60% 0.2% 3
4 COPERNICUS ASTRON 2 27% 0.4% 8
5 SAO RAS BRANCH 2 50% 0.2% 3
6 VIA E BIANCHI 46 2 50% 0.2% 3
7 KONKOLY OBSERV BUD EST 2 13% 0.8% 14
8 UMR 7293 2 16% 0.6% 11
9 MOSCOW BRANCH 2 13% 0.7% 13
10 ASTRON ASTRON OBSERV 2 43% 0.2% 3

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000206047 STARS INDIVIDUAL HD 56126//POST AGB SUPERGIANTS//STARS VARIABLES OTHER RV TAURI
2 0.0000115980 STARS CARBON//GALAXIES INDIVIDUAL NGC 6822//GALAXIES INDIVIDUAL NGC 6822
3 0.0000107730 STARS OSCILLATIONS//STARS VARIABLES DELTA SCT//STARS VARIABLES DELTA SCUTI
4 0.0000105761 STARS HORIZONTAL BRANCH//GLOBULAR CLUSTERS GENERAL//GLOBULAR CLUSTERS GENERAL
5 0.0000097217 VEHICLE STAT DYNAM//ACCELERATION DEPENDENT FORCES//CONVECTION STARS
6 0.0000086203 TECHNIQUES PHOTOMETRIC WET//OPEN CLUSTERS AND ASSOCIATIONS INDIVIDUAL CEPHEUS OB3//ASTROMETR PHOTOMETR GRP
7 0.0000085459 MAGELLANIC CLOUDS//GALAXIES MAGELLANIC CLOUDS//SUPERCOMP ASTROPHYS
8 0.0000073117 OPEN CLUSTERS AND ASSOCIATIONS GENERAL//OPEN CLUSTERS AND ASSOCIATIONS GENERAL//GALAXY OPEN CLUSTERS AND ASSOCIATIONS GENERAL
9 0.0000046750 GALAXIES DISTANCES AND REDSHIFTS//ZONE OF AVOIDANCE//ASHER SPACE SCI
10 0.0000046335 GALAXY BULGE//GALAXY BULGE//OSU THETA