Class information for:
Level 1: STARS ACTIVITY//STARS CORONAE//STARS LATE TYPE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
370 3581 39.0 57%


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
221 2             ASTRONOMY & ASTROPHYSICS//STARS ACTIVITY//STARS OSCILLATIONS 20606
370 1                   STARS ACTIVITY//STARS CORONAE//STARS LATE TYPE 3581

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 STARS ACTIVITY authKW 4368149 29% 49% 1048
2 STARS CORONAE authKW 1952164 13% 51% 452
3 STARS LATE TYPE authKW 1524801 20% 24% 734
4 STARS CHROMOSPHERES authKW 1132292 8% 49% 273
5 STARS FLARE authKW 1037935 7% 46% 266
6 STARSPOTS authKW 656117 5% 46% 169
7 STARS STARSPOTS authKW 471475 2% 71% 78
8 STARS SPOTS authKW 463234 3% 54% 100
9 STARS IMAGING authKW 448802 4% 34% 157
10 STARS ROTATION authKW 396715 10% 13% 355

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 208712 98% 1% 3519
2 Engineering, Aerospace 31 1% 0% 24
3 Meteorology & Atmospheric Sciences -0 1% 0% 27
4 Remote Sensing -3 0% 0% 2
5 Geosciences, Multidisciplinary -4 1% 0% 32
6 Multidisciplinary Sciences -8 0% 0% 1
7 Computer Science, Hardware & Architecture -9 0% 0% 1
8 Physics, Multidisciplinary -12 1% 0% 41
9 Physics, Fluids & Plasmas -12 0% 0% 5
10 Geochemistry & Geophysics -19 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 DYER OBSERV 150377 1% 84% 21
2 EXCELLENCE INFORMAT SYST 82227 2% 18% 54
3 HAMBURGER STERNWARTE 45483 1% 12% 43
4 SEZ ASTRON 39618 1% 14% 33
5 EUV ASTROPHYS 38949 0% 29% 16
6 IST ASTRON 31921 1% 12% 32
7 ASTRON 29097 13% 1% 467
8 CATANIA ASTROPHYS OBSERV 27271 0% 40% 8
9 NAOC GZU SPONSORED ASTRON 22723 0% 33% 8
10 ASTROPHYS 22083 5% 1% 190

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 ASTRONOMY & ASTROPHYSICS 178675 29% 2% 1027
2 ASTROPHYSICAL JOURNAL 55706 20% 1% 719
3 ASTRONOMISCHE NACHRICHTEN 35626 3% 4% 119
4 ASTRONOMICAL JOURNAL 35032 7% 2% 243
5 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 31182 4% 3% 139
6 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 26031 10% 1% 369
7 ASTROPHYSICS AND SPACE SCIENCE 22074 5% 1% 182
8 ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 18389 2% 2% 89
9 ASTRONOMY REPORTS 12331 2% 3% 54
10 IAU SYMPOSIA 11758 3% 1% 105

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 STARS ACTIVITY 4368149 29% 49% 1048 Search STARS+ACTIVITY Search STARS+ACTIVITY
2 STARS CORONAE 1952164 13% 51% 452 Search STARS+CORONAE Search STARS+CORONAE
3 STARS LATE TYPE 1524801 20% 24% 734 Search STARS+LATE+TYPE Search STARS+LATE+TYPE
4 STARS CHROMOSPHERES 1132292 8% 49% 273 Search STARS+CHROMOSPHERES Search STARS+CHROMOSPHERES
5 STARS FLARE 1037935 7% 46% 266 Search STARS+FLARE Search STARS+FLARE
6 STARSPOTS 656117 5% 46% 169 Search STARSPOTS Search STARSPOTS
7 STARS STARSPOTS 471475 2% 71% 78 Search STARS+STARSPOTS Search STARS+STARSPOTS
8 STARS SPOTS 463234 3% 54% 100 Search STARS+SPOTS Search STARS+SPOTS
9 STARS IMAGING 448802 4% 34% 157 Search STARS+IMAGING Search STARS+IMAGING
10 STARS ROTATION 396715 10% 13% 355 Search STARS+ROTATION Search STARS+ROTATION

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 GUDEL, M , (2004) X-RAY ASTRONOMY OF STELLAR CORONAE.ASTRONOMY AND ASTROPHYSICS REVIEW. VOL. 12. ISSUE 2-3. P. 71 -237 402 64% 218
2 MULLAN, DJ , MATHIOUDAKIS, M , BLOOMFIELD, DS , CHRISTIAN, DJ , (2006) A COMPARATIVE STUDY OF FLARING LOOPS IN ACTIVE STARS.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES. VOL. 164. ISSUE 1. P. 173-201 170 82% 29
3 STRASSMEIER, KG , (2009) STARSPOTS.ASTRONOMY AND ASTROPHYSICS REVIEW. VOL. 17. ISSUE 3. P. 251 -308 146 63% 169
4 FAVATA, F , MICELA, G , (2003) STELLAR CORONAL ASTRONOMY.SPACE SCIENCE REVIEWS. VOL. 108. ISSUE 4. P. 577 -706 195 66% 71
5 LEHTINEN, J , JETSU, L , HACKMAN, T , KAJATKARI, P , HENRY, GW , (2016) ACTIVITY TRENDS IN YOUNG SOLAR-TYPE STARS.ASTRONOMY & ASTROPHYSICS. VOL. 588. ISSUE . P. - 88 75% 3
6 KOVARI, Z , OLAH, K , (2014) OBSERVING DYNAMOS IN COOL STARS.SPACE SCIENCE REVIEWS. VOL. 186. ISSUE 1-4. P. 457 -489 107 70% 2
7 ZHANG, LY , PI, QF , ZHU, ZZ , (2015) CHROMOSPHERIC ACTIVITY IN SEVERAL SINGLE LATE-TYPE STARS.RESEARCH IN ASTRONOMY AND ASTROPHYSICS. VOL. 15. ISSUE 2. P. 252 -274 71 78% 3
8 ZHANG, LY , PI, QF , HAN, XL , CHANG, L , WANG, DM , (2016) CHROMOSPHERIC ACTIVITY ON LATE-TYPE STAR DM UMA USING HIGH-RESOLUTION SPECTROSCOPIC OBSERVATIONS.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 459. ISSUE 1. P. 854 -862 60 92% 0
9 TSUBOI, Y , YAMAZAKI, K , SUGAWARA, Y , KAWAGOE, A , KANETO, S , IIZUKA, R , MATSUMURA, T , NAKAHIRA, S , HIGA, M , MATSUOKA, M , ET AL (2016) LARGE X-RAY FLARES ON STARS DETECTED WITH MAXI/GSC: A UNIVERSAL CORRELATION BETWEEN THE DURATION OF A FLARE AND ITS X-RAY LUMINOSITY.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN. VOL. 68. ISSUE 5. P. - 82 67% 0
10 WAITE, IA , MARSDEN, SC , CARTER, BD , PETIT, P , JEFFERS, SV , MORIN, J , VIDOTTO, AA , DONATI, JF , (2017) MAGNETIC FIELDS ON YOUNG, MODERATELY ROTATING SUN-LIKE STARS - II. EK DRACONIS (HD 129333).MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 465. ISSUE 2. P. 2076 -2091 72 71% 0

Classes with closest relation at Level 1


Rank Class id link
1 20648 STARS INDIVIDUAL ZETA AURIGAE//STARS CHROMOSPHERES//STARS INDIVIDUAL HR 6902
2 700 STARS LOW MASS BROWN DWARFS//BROWN DWARFS//STARS LOW MASS
3 4928 BINARIES VISUAL//OBSERVATORY//BINARIES SPECTROSCOPIC
4 3596 STARS ABUNDANCES//NUCLEAR REACTIONS NUCLEOSYNTHESIS ABUNDANCES//STARS POPULATION II
5 574 BINARIES ECLIPSING//STARS BINARIES ECLIPSING//ECLIPSING BINARIES
6 30870 FESENKOV ASTROPHYS//BOLOMETRIC MAGNITUDE//BOX 1107
7 118 PLANETARY SYSTEMS//TECHNIQUES RADIAL VELOCITIES//PLANETS AND SATELLITES ATMOSPHERES
8 1102 SUN ROTATION//SUN INTERIOR//SUN ACTIVITY
9 119 STARS PRE MAIN SEQUENCE//PROTOPLANETARY DISKS//CIRCUMSTELLAR MATTER
10 2044 STARS CHEMICALLY PECULIAR//STARS MAGNETIC FIELDS//STARS ABUNDANCES

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