Class information for:
Level 1: STARS FORMATION//MASERS//HII REGIONS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
323 3576 40.3 70%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
242 19478 ISM MOLECULES//STARS FORMATION//ISM CLOUDS

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 STARS FORMATION Author keyword 317 18% 45% 1597
2 MASERS Author keyword 306 39% 17% 611
3 HII REGIONS Author keyword 140 30% 11% 396
4 H II REGIONS Author keyword 106 27% 9% 336
5 RADIO LINES ISM Author keyword 101 25% 10% 346
6 ISM MOLECULES Author keyword 87 12% 20% 705
7 ISM INDIVIDUAL W3 Author keyword 69 96% 1% 22
8 ISM CLOUDS Author keyword 55 10% 14% 504
9 RADIO LINES ISM Author keyword 38 24% 4% 140
10 RADIOASTRON ASTROFIS Address 36 26% 3% 119

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 STARS FORMATION 317 18% 45% 1597 Search STARS++FORMATION Search STARS++FORMATION
2 MASERS 306 39% 17% 611 Search MASERS Search MASERS
3 HII REGIONS 140 30% 11% 396 Search HII+REGIONS Search HII+REGIONS
4 H II REGIONS 106 27% 9% 336 Search H+II+REGIONS Search H+II+REGIONS
5 RADIO LINES ISM 101 25% 10% 346 Search RADIO+LINES++ISM Search RADIO+LINES++ISM
6 ISM MOLECULES 87 12% 20% 705 Search ISM++MOLECULES Search ISM++MOLECULES
7 ISM INDIVIDUAL W3 69 96% 1% 22 Search ISM++INDIVIDUAL+W3 Search ISM++INDIVIDUAL+W3
8 ISM CLOUDS 55 10% 14% 504 Search ISM++CLOUDS Search ISM++CLOUDS
9 RADIO LINES ISM 38 24% 4% 140 Search RADIO+LINES+ISM Search RADIO+LINES+ISM
10 ISM HII REGIONS 34 30% 3% 93 Search ISM++HII+REGIONS Search ISM++HII+REGIONS

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 ULTRACOMPACT HII REGIONS 575 86% 8% 297
2 PROTOSTELLAR CANDIDATES 316 88% 4% 146
3 METHANOL MASERS 295 82% 5% 171
4 H II REGIONS 286 27% 26% 918
5 H2O MASERS 182 56% 6% 222
6 INFRARED DARK CLOUDS 145 71% 3% 118
7 STAR FORMING REGIONS 119 29% 10% 354
8 W3OH 110 78% 2% 72
9 MASSIVE STAR FORMATION 105 51% 4% 146
10 GHZ METHANOL MASERS 104 84% 2% 57

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
The Spitzer/GLIMPSE Surveys: A New View of the Milky Way 2009 284 81 51%
Toward understanding massive star formation 2007 487 339 22%
Ultra-compact HII regions and massive star formation 2002 194 94 66%
A CLASS I AND CLASS II CH3OH MASER SURVEY OF EGOs FROM THE GLIMPSE SURVEY 2009 89 107 91%
Massive stars: Their environment and formation 1999 218 239 63%
The physical conditions for massive star formation: Dust continuum maps and modeling 2002 168 79 59%
The milky way in molecular clouds: A new complete CO survey 2001 900 79 16%
MIPSGAL: A Survey of the Inner Galactic Plane at 24 and 70 mu m 2009 202 82 35%
ULTRACOMPACT H-II REGIONS .2. NEW HIGH-RESOLUTION RADIO IMAGES 1994 338 80 68%
A CS J=5 -> 4 mapping survey toward high-mass star-forming cores associated with water masers 2003 128 68 69%

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 RADIOASTRON ASTROFIS 36 26% 3.3% 119
2 MIZUSAWA VLBI OBSERV 25 49% 1.0% 37
3 QINGHAI STN 21 90% 0.3% 9
4 VERA PROJECT 11 100% 0.2% 6
5 MIZUSAWA KU 10 40% 0.6% 20
6 ASTRON METEOROL IEEC UB 8 60% 0.3% 9
7 ASTRO SPACE 7 10% 1.9% 68
8 EAST ASIAN ALMA REG 6 80% 0.1% 4
9 MIZUSAWA VERA OBSERV 6 36% 0.4% 13
10 SPACE VLBI PROJECT 6 50% 0.2% 8

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000187899 ISM INDIVIDUAL OBJECTS NGC 3372//ISM INDIVIDUAL M16//ISM INDIVIDUAL TRIFID NEBULA
2 0.0000181721 RADIO RECOMBINATION LINES//CII REGIONS//CNRS 8617
3 0.0000170131 ISM JETS AND OUTFLOWS//ISM HERBIG HARO OBJECTS//HERBIG HARO OBJECTS
4 0.0000156945 ISM INDIVIDUAL ORION NEBULA//ISM INDIVIDUAL ORION KLEINMANN LOW//ISM INDIVIDUAL ORION
5 0.0000132499 ISM CLOUDS//STARS FORMATION//ISM STRUCTURE
6 0.0000124850 GALAXIES INDIVIDUAL NGC 4258//MASERS//GALAXIES INDIVIDUAL NGC 3079
7 0.0000095730 ISM INDIVIDUAL SHARPLESS 269//NLTE EFFECTS//OBSERV ALGER
8 0.0000084626 ISM MAGNETIC FIELDS//ISM MAGNETIC FIELDS//INFRARED ABSORPTION BANDS
9 0.0000077522 ASTROCHEMISTRY//ISM MOLECULES//MOLECULAR PROCESSES
10 0.0000047599 GALAXY BULGE//GALAXY BULGE//OSU THETA