Class information for:
Level 1: GALAXIES INDIVIDUAL NGC 4258//GALAXIES INDIVIDUAL NGC 3079//MASERS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
21860 402 32.0 68%


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
0 2             GALAXIES EVOLUTION//ASTRONOMY & ASTROPHYSICS//MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 61580
21860 1                   GALAXIES INDIVIDUAL NGC 4258//GALAXIES INDIVIDUAL NGC 3079//MASERS 402

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 GALAXIES INDIVIDUAL NGC 4258 authKW 2566108 12% 68% 50
2 GALAXIES INDIVIDUAL NGC 3079 authKW 1296171 6% 74% 23
3 MASERS authKW 1157444 38% 10% 154
4 GALAXIES INDIVIDUAL NGC 5793 authKW 303831 1% 100% 4
5 MASER EMISSION authKW 273443 1% 60% 6
6 GALAXIES INDIVIDUAL NGC 1052 authKW 231480 2% 38% 8
7 GALAXIES INDIVIDUAL UGC 3789 authKW 227873 1% 100% 3
8 RADIO LINES GALAXIES authKW 173225 13% 4% 52
9 GALAXIES NUCLEI authKW 156757 24% 2% 98
10 GALAXIES INDIVIDUAL TXS 2226 184 authKW 151916 0% 100% 2

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 22826 97% 0% 390
2 Engineering, Aerospace 0 0% 0% 1
3 Philosophy 0 0% 0% 1
4 Physics, Multidisciplinary -0 2% 0% 7
5 Spectroscopy -0 0% 0% 2
6 Physics, Particles & Fields -1 0% 0% 2
7 Meteorology & Atmospheric Sciences -1 0% 0% 1
8 Geosciences, Multidisciplinary -3 0% 0% 1
9 Mathematics, Applied -4 0% 0% 1
10 Optics -5 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 THEORET PHYS ROBERT MAYER STR 10 151916 0% 100% 2
2 L3ABUMR 5804 75958 0% 100% 1
3 LICK BOARD STUDIES 75958 0% 100% 1
4 MINAMIMA KU 75958 0% 100% 1
5 MIZUSAWA ASTRO GEODYNAM OBSERV 75958 0% 100% 1
6 OBSERVATORIES 75958 0% 100% 1
7 RADIO PHY 75958 0% 100% 1
8 SCI ENGN AREA EDUC ASSEMBLY 75958 0% 100% 1
9 VLBI IL 60764 0% 40% 2
10 SAO SMA PROJECT 50636 0% 33% 2

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 21853 37% 0% 150
2 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 11515 6% 1% 24
3 IAU SYMPOSIA 8642 7% 0% 30
4 ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS 7420 4% 1% 15
5 SOVIET ASTRONOMY LETTERS 6451 3% 1% 11
6 ASTRONOMY & ASTROPHYSICS 5933 16% 0% 63
7 ASTRONOMY REPORTS 1848 2% 0% 7
8 JOURNAL OF ASTROPHYSICS AND ASTRONOMY 1755 1% 0% 5
9 NEW ASTRONOMY REVIEWS 988 1% 0% 4
10 CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 800 1% 0% 3

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 GALAXIES INDIVIDUAL NGC 4258 2566108 12% 68% 50 Search GALAXIES+INDIVIDUAL+NGC+4258 Search GALAXIES+INDIVIDUAL+NGC+4258
2 GALAXIES INDIVIDUAL NGC 3079 1296171 6% 74% 23 Search GALAXIES+INDIVIDUAL+NGC+3079 Search GALAXIES+INDIVIDUAL+NGC+3079
3 MASERS 1157444 38% 10% 154 Search MASERS Search MASERS
4 GALAXIES INDIVIDUAL NGC 5793 303831 1% 100% 4 Search GALAXIES+INDIVIDUAL+NGC+5793 Search GALAXIES+INDIVIDUAL+NGC+5793
5 MASER EMISSION 273443 1% 60% 6 Search MASER+EMISSION Search MASER+EMISSION
6 GALAXIES INDIVIDUAL NGC 1052 231480 2% 38% 8 Search GALAXIES+INDIVIDUAL+NGC+1052 Search GALAXIES+INDIVIDUAL+NGC+1052
7 GALAXIES INDIVIDUAL UGC 3789 227873 1% 100% 3 Search GALAXIES+INDIVIDUAL+UGC+3789 Search GALAXIES+INDIVIDUAL+UGC+3789
8 RADIO LINES GALAXIES 173225 13% 4% 52 Search RADIO+LINES+GALAXIES Search RADIO+LINES+GALAXIES
9 GALAXIES NUCLEI 156757 24% 2% 98 Search GALAXIES+NUCLEI Search GALAXIES+NUCLEI
10 GALAXIES INDIVIDUAL TXS 2226 184 151916 0% 100% 2 Search GALAXIES+INDIVIDUAL+TXS+2226+184 Search GALAXIES+INDIVIDUAL+TXS+2226+184

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 LO, KY , (2005) MEGA-MASERS AND GALAXIES.ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS. VOL. 43. ISSUE . P. 625 -676 83 41% 91
2 BENNERT, N , BARVAINIS, R , HENKEL, C , ANTONUCCI, R , (2009) A SEARCH FOR H2O MEGAMASERS IN HIGH-Z TYPE-2 ACTIVE GALACTIC NUCLEI.ASTROPHYSICAL JOURNAL. VOL. 695. ISSUE 1. P. 276 -286 55 61% 12
3 PESCE, DW , BRAATZ, JA , CONDON, JJ , GAO, F , HENKEL, C , LITZINGER, E , LO, KY , REID, MJ , (2015) THE MEGAMASER COSMOLOGY PROJECT. VII. INVESTIGATING DISK PHYSICS USING SPECTRAL MONITORING OBSERVATIONS.ASTROPHYSICAL JOURNAL. VOL. 810. ISSUE 1. P. - 40 69% 3
4 MALONEY, PR , (2002) POWERFUL WATER MASERS IN ACTIVE GALACTIC NUCLEI.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA. VOL. 19. ISSUE 4. P. 401 -421 51 66% 30
5 PECK, AB , TARCHI, A , NAGAR, NM , BRAATZ, JA , CASTANGIA, P , HENKEL, C , MOSCADELLI, L , (2005) NEW H2O MASERS IN SEYFERT AND FIR BRIGHT GALAXIES.ASTRONOMY & ASTROPHYSICS. VOL. 436. ISSUE 1. P. 75 -90 47 57% 52
6 HENKEL, C , BRAATZ, JA , TARCHI, A , PECK, AB , NAGAR, NM , GREENHILL, LJ , WANG, M , HAGIWARA, Y , (2005) H2O MEGAMASERS: ACCRETION DISKS, JET INTERACTION, OUTFLOWS OR MASSIVE STAR FORMATION?.ASTROPHYSICS AND SPACE SCIENCE. VOL. 295. ISSUE 1-2. P. 107-116 31 89% 10
7 SATO, N , YAMAUCHI, A , ISHIHARA, Y , SORAI, K , KUNO, N , NAKAI, N , BALASUBRAMANYAM, R , HALL, P , (2005) WATER-VAPOR MASER SURVEY FOR ACTIVE GALACTIC NUCLEI: A MEGAMASER IN NGC 6926.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN. VOL. 57. ISSUE 4. P. 587 -594 33 83% 4
8 YAMAUCHI, A , NAKAI, N , ISHIHARA, Y , DIAMOND, P , SATO, N , (2012) WATER-VAPOR MASER DISK AT THE NUCLEUS OF THE SEYFERT 2 GALAXY IC 2560 AND ITS DISTANCE.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN. VOL. 64. ISSUE 5. P. - 28 76% 5
9 HERRNSTEIN, JR , MORAN, JM , GREENHILL, LJ , TROTTER, AS , (2005) THE GEOMETRY OF AND MASS ACCRETION RATE THROUGH THE MASER ACCRETION DISK IN NGC 4258.ASTROPHYSICAL JOURNAL. VOL. 629. ISSUE 2. P. 719 -738 25 76% 94
10 GREENHILL, LJ , (2002) EXTRAGALACTIC H2O MASERS.COSMIC MASERS: FROM PROTOSTARS TO BLACKHOLES. VOL. . ISSUE 206. P. 381-391 29 78% 0

Classes with closest relation at Level 1


Rank Class id link
1 193 GALAXIES SEYFERT//GALAXIES NUCLEI//INFRARED GALAXIES
2 9893 GALAXIES INDIVIDUAL M82//GALAXIES INDIVIDUAL NGC 253//GALAXIES STARBURST
3 30069 GALAXIES INDIVIDUAL CENTAURUS A//GALAXIES INDIVIDUAL NGC 5128//GALAXIES INDIVIDUAL NGC 5128 CEN A
4 224 STARS FORMATION//MASERS//H II REGIONS
5 1235 X RAYS GALAXIES//GALAXIES SEYFERT//GALAXIES ACTIVE
6 11304 BLACK HOLE PHYSICS//GALAXIES NUCLEI//QUASARS INDIVIDUAL SDSS J153636220441270
7 498 STARS AGB AND POST AGB//STARS CARBON//RADIO LINES STARS
8 37491 FRANCE ASTROPHYS THEOR 98 BIS BD ARAGO//INTENSITY RATIO CO C 12 COC 13//QUASARS ABSORPTION LINES QUASARS INDIVIDUAL Q 1100 264
9 6429 ISM INDIVIDUAL ORION NEBULA//ISM INDIVIDUAL OBJECTS ORION NEBULA//H II REGIONS
10 2337 GALAXY CENTER//GALAXY CENTRE//GALAXY NUCLEUS

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