Class information for:
Level 1: X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1235 2769 43.7 78%


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
215 2             X RAYS BINARIES//BLACK HOLE PHYSICS//ACCRETION ACCRETION DISKS 20680
1235 1                   X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE 2769

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 X RAYS GALAXIES authKW 4562140 52% 29% 1450
2 GALAXIES SEYFERT authKW 3396433 37% 30% 1035
3 GALAXIES ACTIVE authKW 2032548 53% 13% 1473
4 GALAXIES INDIVIDUAL MCG 6 30 15 authKW 676443 2% 93% 66
5 GALAXIES NUCLEI authKW 398011 15% 9% 410
6 GALAXIES INDIVIDUAL NGC 4051 authKW 292842 1% 80% 33
7 GALAXIES INDIVIDUAL NGC 3516 authKW 248064 1% 75% 30
8 BLACK HOLE PHYSICS authKW 204058 11% 6% 314
9 HIGH ENERGY ASTROPHYS address 202409 6% 11% 161
10 GALAXIES INDIVIDUAL NGC 3783 authKW 200927 1% 68% 27

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 152931 96% 1% 2650
2 Engineering, Aerospace 263 2% 0% 47
3 Meteorology & Atmospheric Sciences 42 2% 0% 51
4 Physics, Particles & Fields 35 2% 0% 60
5 Geosciences, Multidisciplinary 7 2% 0% 51
6 Physics, Multidisciplinary 1 2% 0% 60
7 Education, Scientific Disciplines -3 0% 0% 2
8 Physics, Fluids & Plasmas -5 0% 0% 7
9 Geochemistry & Geophysics -7 0% 0% 9
10 Spectroscopy -14 0% 0% 3

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 HIGH ENERGY ASTROPHYS 202409 6% 11% 161
2 XMM NEWTON SCI OPERAT 168586 2% 27% 56
3 DEP ASTROFIS 157499 1% 71% 20
4 XRAY ASTRON GRP 144546 1% 33% 40
5 PHYS GEOG SCI 118097 3% 15% 73
6 ASTROBIOL CSIC INTA 93482 1% 40% 21
7 ASTRON 85596 25% 1% 699
8 GODDARD SPACE FLIGHT 81780 14% 2% 387
9 XRAY OBSERVAT ASTRON GRP 74681 1% 28% 24
10 ASTRON OFF 72948 1% 44% 15

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 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 133639 26% 2% 729
2 ASTROPHYSICAL JOURNAL 98229 30% 1% 836
3 ASTRONOMY & ASTROPHYSICS 50733 17% 1% 483
4 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 17575 3% 2% 78
5 ASTRONOMISCHE NACHRICHTEN 15909 3% 2% 70
6 NEW ASTRONOMY REVIEWS 5159 1% 2% 24
7 ASTROPHYSICAL LETTERS & COMMUNICATIONS 4995 1% 2% 19
8 IAU SYMPOSIA 4291 2% 1% 56
9 CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 3724 1% 2% 17
10 PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT 3249 1% 1% 30

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 X RAYS GALAXIES 4562140 52% 29% 1450 Search X+RAYS+GALAXIES Search X+RAYS+GALAXIES
2 GALAXIES SEYFERT 3396433 37% 30% 1035 Search GALAXIES+SEYFERT Search GALAXIES+SEYFERT
3 GALAXIES ACTIVE 2032548 53% 13% 1473 Search GALAXIES+ACTIVE Search GALAXIES+ACTIVE
4 GALAXIES INDIVIDUAL MCG 6 30 15 676443 2% 93% 66 Search GALAXIES+INDIVIDUAL+MCG+6+30+15 Search GALAXIES+INDIVIDUAL+MCG+6+30+15
5 GALAXIES NUCLEI 398011 15% 9% 410 Search GALAXIES+NUCLEI Search GALAXIES+NUCLEI
6 GALAXIES INDIVIDUAL NGC 4051 292842 1% 80% 33 Search GALAXIES+INDIVIDUAL+NGC+4051 Search GALAXIES+INDIVIDUAL+NGC+4051
7 GALAXIES INDIVIDUAL NGC 3516 248064 1% 75% 30 Search GALAXIES+INDIVIDUAL+NGC+3516 Search GALAXIES+INDIVIDUAL+NGC+3516
8 BLACK HOLE PHYSICS 204058 11% 6% 314 Search BLACK+HOLE+PHYSICS Search BLACK+HOLE+PHYSICS
9 GALAXIES INDIVIDUAL NGC 3783 200927 1% 68% 27 Search GALAXIES+INDIVIDUAL+NGC+3783 Search GALAXIES+INDIVIDUAL+NGC+3783
10 GALAXIES INDIVIDUAL 1H 0707 495 177023 1% 94% 17 Search GALAXIES+INDIVIDUAL+1H+0707+495 Search GALAXIES+INDIVIDUAL+1H+0707+495

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 TURNER, TJ , MILLER, L , (2009) X-RAY ABSORPTION AND REFLECTION IN ACTIVE GALACTIC NUCLEI.ASTRONOMY AND ASTROPHYSICS REVIEW. VOL. 17. ISSUE 1. P. 47 -104 198 80% 89
2 NANDRA, K , O'NEILL, PM , GEORGE, IM , REEVES, JN , (2007) AN XMM-NEWTON SURVEY OF BROAD IRON LINES IN SEYFERT GALAXIES.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 382. ISSUE 1. P. 194-228 122 92% 252
3 RICCI, C , PALTANI, S , UEDA, Y , AWAKI, H , (2013) ON THE ROLE OF THE GAMMA-LAMBDA(EDD) RELATION ON THE X-RAY BALDWIN EFFECT IN ACTIVE GALACTIC NUCLEI.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 435. ISSUE 3. P. 1840 -1851 134 85% 6
4 BOISSAY, R , RICCI, C , PALTANI, S , (2016) A HARD X-RAY VIEW OF THE SOFT EXCESS IN AGN.ASTRONOMY & ASTROPHYSICS. VOL. 588. ISSUE . P. - 97 87% 1
5 TOMBESI, F , CAPPI, M , REEVES, JN , PALUMBO, GGC , YAQOOB, T , BRAITO, V , DADINA, M , (2010) EVIDENCE FOR ULTRA-FAST OUTFLOWS IN RADIO-QUIET AGNS I. DETECTION AND STATISTICAL INCIDENCE OF FEK-SHELL ABSORPTION LINES.ASTRONOMY & ASTROPHYSICS. VOL. 521. ISSUE . P. - 83 94% 120
6 VAUGHAN, S , FABIAN, AC , (2004) A LONG HARD LOOK AT MCG-6-30-15 WITH XMM-NEWTON - II. DETAILED EPIC ANALYSIS AND MODELLING.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 348. ISSUE 4. P. 1415-1438 102 92% 116
7 REEVES, JN , PORQUET, D , BRAITO, V , GOFFORD, J , NARDINI, E , TURNER, TJ , CRENSHAW, DM , KRAEMER, SB , (2013) A HIGH RESOLUTION VIEW OF THE WARM ABSORBER IN THE QUASAR MR 2251-178.ASTROPHYSICAL JOURNAL. VOL. 776. ISSUE 2. P. - 103 80% 8
8 DOU, LM , WANG, TG , AI, YL , YUAN, WM , ZHOU, HY , DONG, XB , (2016) X-RAY SPECTRAL AND TEMPORAL ANALYSIS OF NARROW LINE SEYFERT 1 GALAXY WAS 61.ASTROPHYSICAL JOURNAL. VOL. 819. ISSUE 2. P. - 89 90% 0
9 GOFFORD, J , REEVES, JN , TOMBESI, F , BRAITO, V , TURNER, TJ , MILLER, L , CAPPI, M , (2013) THE SUZAKU VIEW OF HIGHLY IONIZED OUTFLOWS IN AGN - I. STATISTICAL DETECTION AND GLOBAL ABSORBER PROPERTIES.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 430. ISSUE 1. P. 60-80 80 81% 43
10 WALTON, DJ , NARDINI, E , FABIAN, AC , GALLO, LC , REIS, RC , (2013) SUZAKU OBSERVATIONS OF 'BARE' ACTIVE GALACTIC NUCLEI.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 428. ISSUE 4. P. 2901-2920 72 86% 51

Classes with closest relation at Level 1


Rank Class id link
1 1637 QUASARS EMISSION LINES//GALAXIES ACTIVE//QUASARS GENERAL
2 1750 BLACK HOLE PHYSICS//X RAYS BINARIES//STARS INDIVIDUAL GRS 1915105
3 963 QUASARS GENERAL//GALAXIES ACTIVE//X RAYS GALAXIES
4 193 GALAXIES SEYFERT//GALAXIES NUCLEI//INFRARED GALAXIES
5 30069 GALAXIES INDIVIDUAL CENTAURUS A//GALAXIES INDIVIDUAL NGC 5128//GALAXIES INDIVIDUAL NGC 5128 CEN A
6 21860 GALAXIES INDIVIDUAL NGC 4258//GALAXIES INDIVIDUAL NGC 3079//MASERS
7 5581 BLACK HOLE PHYSICS//ACCRETION ACCRETION DISKS//ACCRETION DISKS
8 9534 X RAYS BINARIES//X RAYS GALAXIES//BLACK HOLE PHYSICS
9 142 BL LACERTAE OBJECTS GENERAL//GALAXIES JETS//GALAXIES ACTIVE
10 6427 QUASARS GENERAL//ASTRONOMY & ASTROPHYSICS//QUASARS

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