Class information for:
Level 1: X RAYS BINARIES//X RAYS GALAXIES//BLACK HOLE PHYSICS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
9534 1147 47.5 79%


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
9534 1                   X RAYS BINARIES//X RAYS GALAXIES//BLACK HOLE PHYSICS 1147

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 BINARIES authKW 1877795 47% 13% 537
2 X RAYS GALAXIES authKW 1004703 38% 9% 438
3 BLACK HOLE PHYSICS authKW 423817 25% 5% 291
4 X RAYS INDIVIDUAL HLX 1 authKW 266203 1% 100% 10
5 X RAYS INDIVIDUAL NGC 5408 X 1 authKW 239583 1% 100% 9
6 GALAXIES INDIVIDUAL NGC 1313 authKW 221823 1% 56% 15
7 GALAXIES INDIVIDUAL NGC 5408 authKW 215623 1% 90% 9
8 GALAXIES INDIVIDUAL ESO 243 49 authKW 186342 1% 100% 7
9 X RAYS INDIVIDUAL ESO 243 49 HLX 1 authKW 186342 1% 100% 7
10 GALAXIES INDIVIDUAL M31 authKW 180664 6% 10% 67

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 65873 98% 0% 1119
2 Engineering, Aerospace 27 1% 0% 11
3 Meteorology & Atmospheric Sciences 8 1% 0% 17
4 Geosciences, Multidisciplinary 0 1% 0% 17
5 Physics, Multidisciplinary -0 2% 0% 20
6 Physics, Particles & Fields -1 1% 0% 9
7 Mathematics, Applied -15 0% 0% 1
8 Mathematics -18 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 XRAY OBSERV ASTRON GRP 113573 1% 53% 8
2 THEORET ASTROPHYS GRP 90873 2% 14% 25
3 XRAY OBSERVAT ASTRON GRP 61360 1% 16% 14
4 AIMCEA IRFU S 53241 0% 100% 2
5 ASTROPHYS INTERACT MULTIECHELLES UMR 7158 53241 0% 100% 2
6 SPACE SCI SOLAR ENERGY PLICAT UZAYM 53241 0% 100% 2
7 ASTROPHYS OFF 35484 1% 22% 6
8 ASTRON 30565 23% 0% 269
9 CURTIN RADIO ASTRON 29634 1% 16% 7
10 CEA SACLAY FEDERAT C 26620 0% 100% 1

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 ASTROPHYSICAL JOURNAL 68668 39% 1% 449
2 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 33997 21% 1% 237
3 ASTRONOMISCHE NACHRICHTEN 10175 3% 1% 36
4 ASTRONOMY & ASTROPHYSICS 7720 11% 0% 122
5 ASTROPHYSICAL JOURNAL LETTERS 7565 4% 1% 42
6 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 6699 3% 1% 31
7 ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 4430 2% 1% 28
8 CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 3119 1% 1% 10
9 ASTRONOMICAL JOURNAL 2103 3% 0% 34
10 IAU SYMPOSIA 1596 2% 0% 22

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 BINARIES 1877795 47% 13% 537 Search X+RAYS+BINARIES Search X+RAYS+BINARIES
2 X RAYS GALAXIES 1004703 38% 9% 438 Search X+RAYS+GALAXIES Search X+RAYS+GALAXIES
3 BLACK HOLE PHYSICS 423817 25% 5% 291 Search BLACK+HOLE+PHYSICS Search BLACK+HOLE+PHYSICS
4 X RAYS INDIVIDUAL HLX 1 266203 1% 100% 10 Search X+RAYS+INDIVIDUAL+HLX+1 Search X+RAYS+INDIVIDUAL+HLX+1
5 X RAYS INDIVIDUAL NGC 5408 X 1 239583 1% 100% 9 Search X+RAYS+INDIVIDUAL+NGC+5408+X+1 Search X+RAYS+INDIVIDUAL+NGC+5408+X+1
6 GALAXIES INDIVIDUAL NGC 1313 221823 1% 56% 15 Search GALAXIES+INDIVIDUAL+NGC+1313 Search GALAXIES+INDIVIDUAL+NGC+1313
7 GALAXIES INDIVIDUAL NGC 5408 215623 1% 90% 9 Search GALAXIES+INDIVIDUAL+NGC+5408 Search GALAXIES+INDIVIDUAL+NGC+5408
8 GALAXIES INDIVIDUAL ESO 243 49 186342 1% 100% 7 Search GALAXIES+INDIVIDUAL+ESO+243+49 Search GALAXIES+INDIVIDUAL+ESO+243+49
9 X RAYS INDIVIDUAL ESO 243 49 HLX 1 186342 1% 100% 7 Search X+RAYS+INDIVIDUAL+ESO+243+49+HLX+1 Search X+RAYS+INDIVIDUAL+ESO+243+49+HLX+1
10 GALAXIES INDIVIDUAL M31 180664 6% 10% 67 Search GALAXIES+INDIVIDUAL+M31 Search GALAXIES+INDIVIDUAL+M31

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 FENG, H , SORIA, R , (2011) ULTRALUMINOUS X-RAY SOURCES IN THE CHANDRA AND XMM-NEWTON ERA.NEW ASTRONOMY REVIEWS. VOL. 55. ISSUE 5-6. P. 166 -183 167 67% 135
2 FABBIANO, G , (2006) POPULATIONS OF X-RAY SOURCES IN GALAXIES.ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS. VOL. 44. ISSUE . P. 323-366 163 72% 164
3 GLADSTONE, JC , COPPERWHEAT, C , HEINKE, CO , ROBERTS, TP , CARTWRIGHT, TF , LEVAN, AJ , GOAD, MR , (2013) OPTICAL COUNTERPARTS OF THE NEAREST ULTRALUMINOUS X-RAY SOURCES.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES. VOL. 206. ISSUE 2. P. - 99 88% 16
4 ZAMPIERI, L , ROBERTS, TP , (2009) LOW-METALLICITY NATAL ENVIRONMENTS AND BLACK HOLE MASSES IN ULTRALUMINOUS X-RAY SOURCES.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 400. ISSUE 2. P. 677 -686 94 72% 63
5 BERGHEA, CT , DUDIK, RP , TINCHER, J , WINTER, LM , (2013) THE LOCAL ENVIRONMENT OF ULTRALUMINOUS X-RAY SOURCES VIEWED BY XMM-NEWTON'S OPTICAL MONITOR.ASTROPHYSICAL JOURNAL. VOL. 776. ISSUE 2. P. - 83 73% 6
6 BERGHEA, CT , WEAVER, KA , COLBERT, EJM , ROBERTS, TP , (2008) PARADIGM THAT ULTRALUMINOUS X-RAY SOURCES AS A CLASS REPRESENT ACCRETING INTERMEDIATE-MASS BLACK HOLES.ASTROPHYSICAL JOURNAL. VOL. 687. ISSUE 1. P. 471-487 84 77% 36
7 FENG, H , TAO, L , KAARET, P , GRISE, F , (2016) NATURE OF THE SOFT ULX IN NGC 247: SUPER-EDDINGTON OUTFLOW AND TRANSITION BETWEEN THE SUPERSOFT AND SOFT ULTRALUMINOUS REGIMES.ASTROPHYSICAL JOURNAL. VOL. 831. ISSUE 2. P. - 67 84% 0
8 LUANGTIP, W , ROBERTS, TP , DONE, C , (2016) THE X-RAY SPECTRAL EVOLUTION OF THE ULTRALUMINOUS X-RAY SOURCE HOLMBERG IX X-1.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 460. ISSUE 4. P. 4417 -4432 59 87% 1
9 LIU, QZ , MIRABEL, IF , (2005) A CATALOGUE OF ULTRALUMINOUS X-RAY SOURCES IN EXTERNAL GALAXIES.ASTRONOMY & ASTROPHYSICS. VOL. 429. ISSUE 3. P. 1125-1129 99 65% 54
10 SORIA, R , KONG, A , (2016) REVISITING THE ULTRALUMINOUS SUPERSOFT SOURCE IN M 101: AN OPTICALLY THICK OUTFLOW MODEL.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 456. ISSUE 2. P. 1837 -1858 63 62% 5

Classes with closest relation at Level 1


Rank Class id link
1 1750 BLACK HOLE PHYSICS//X RAYS BINARIES//STARS INDIVIDUAL GRS 1915105
2 7361 BLUE STRAGGLERS//GLOBULAR CLUSTERS GENERAL//STELLAR DYNAMICS
3 9893 GALAXIES INDIVIDUAL M82//GALAXIES INDIVIDUAL NGC 253//GALAXIES STARBURST
4 27889 GALAXIES INDIVIDUAL M31//GALAXIES INDIVIDUAL M31 M32 NGC 205//ASTRON SPATIALE TRAVERSE SIPHON LES 3 LUCS
5 6074 GALAXIES STAR CLUSTERS//GLOBULAR CLUSTERS GENERAL//GALAXIES STAR CLUSTERS GENERAL
6 19774 STARS INDIVIDUAL SS 433//VISTAS IN ASTRONOMY//X RAYS INDIVIDUAL SS 433
7 963 QUASARS GENERAL//GALAXIES ACTIVE//X RAYS GALAXIES
8 1235 X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE
9 5581 BLACK HOLE PHYSICS//ACCRETION ACCRETION DISKS//ACCRETION DISKS
10 903 GALAXIES IRREGULAR//GALAXIES DWARF//GALAXIES ABUNDANCES

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