Class information for: |
Basic class information |
| Class id | #P | Avg. number of references |
Database coverage of references |
|---|---|---|---|
| 27486 | 228 | 23.2 | 31% |
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 |
| 158 | 2 | GLOBULAR CLUSTERS GENERAL//ASTRONOMY & ASTROPHYSICS//STARS ABUNDANCES | 22875 |
| 27486 | 1 | CELESTIAL MECHNICS STELLAR DYNAMICS//CONJUGATE EXPONENTIAL FAMILY//INFORMAT ENGN ENGN | 228 |
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 | CELESTIAL MECHNICS STELLAR DYNAMICS | authKW | 401781 | 1% | 100% | 3 |
| 2 | CONJUGATE EXPONENTIAL FAMILY | authKW | 267854 | 1% | 100% | 2 |
| 3 | INFORMAT ENGN ENGN | address | 267854 | 1% | 100% | 2 |
| 4 | COMETS INDIVIDUAL | authKW | 186003 | 2% | 28% | 5 |
| 5 | GALAXY DYNAMICS AND KINEMATICS | authKW | 178568 | 1% | 67% | 2 |
| 6 | COMETS INDIVIDUAL C 1843 J1 C 1858 W1 | authKW | 133927 | 0% | 100% | 1 |
| 7 | COMETS INDIVIDUAL C 1845 L1 C 1846 D1 | authKW | 133927 | 0% | 100% | 1 |
| 8 | COMETS INDIVIDUAL C 1850 Q1 | authKW | 133927 | 0% | 100% | 1 |
| 9 | COMETS INDIVIDUAL C 1853 EL SECCHI | authKW | 133927 | 0% | 100% | 1 |
| 10 | COMETS INDIVIDUAL C 1857 D1 | authKW | 133927 | 0% | 100% | 1 |
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 | 12219 | 94% | 0% | 215 |
| 2 | Mathematics, Interdisciplinary Applications | 7 | 2% | 0% | 4 |
| 3 | Education, Scientific Disciplines | 0 | 0% | 0% | 1 |
| 4 | Statistics & Probability | 0 | 1% | 0% | 2 |
| 5 | Computer Science, Artificial Intelligence | 0 | 1% | 0% | 2 |
| 6 | Computer Science, Interdisciplinary Applications | -0 | 0% | 0% | 1 |
| 7 | Spectroscopy | -0 | 0% | 0% | 1 |
| 8 | Computer Science, Theory & Methods | -0 | 0% | 0% | 1 |
| 9 | Physics, Mathematical | -0 | 0% | 0% | 1 |
| 10 | Nuclear Science & Technology | -0 | 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 | INFORMAT ENGN ENGN | 267854 | 1% | 100% | 2 |
| 2 | CRAAE MACKENZIEINPE | 133927 | 0% | 100% | 1 |
| 3 | ESTEC ASTRONIUE OBSERV | 133927 | 0% | 100% | 1 |
| 4 | ASTROMETR PHOTOMETR GRP | 66963 | 0% | 50% | 1 |
| 5 | UA 1368 | 66963 | 0% | 50% | 1 |
| 6 | ASTRON METEROL | 12173 | 0% | 9% | 1 |
| 7 | PROGRAM ASTRON | 8369 | 0% | 6% | 1 |
| 8 | URA 335 | 5149 | 0% | 4% | 1 |
| 9 | VILLAFRANCA SATELLITE TRACKING STN | 4958 | 0% | 4% | 1 |
| 10 | GRP RECH ASTRON ASTROPHYS LANGUEDOC | 4616 | 0% | 3% | 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 | PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 19994 | 12% | 1% | 28 |
| 2 | REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA | 15331 | 5% | 1% | 12 |
| 3 | ASTRONOMICAL JOURNAL | 13565 | 17% | 0% | 38 |
| 4 | CELESTIAL MECHANICS | 7815 | 3% | 1% | 6 |
| 5 | ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES | 5277 | 5% | 0% | 12 |
| 6 | ASTRONOMY & ASTROPHYSICS | 3810 | 17% | 0% | 38 |
| 7 | ASTRONOMISCHE NACHRICHTEN | 3204 | 4% | 0% | 9 |
| 8 | JOURNAL OF THE ROYAL ASTRONOMICAL SOCIETY OF CANADA | 2729 | 1% | 1% | 2 |
| 9 | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2365 | 12% | 0% | 28 |
| 10 | OBSERVATORY | 1652 | 1% | 0% | 3 |
Author Key Words |
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 | BRANHAM, RL , (2010) ORBIT OF COMET C/1845 D1 (DE VICO) AND THE UTILITY OF BULIRSCH-STOER INTEGRATION.PLANETARY AND SPACE SCIENCE. VOL. 58. ISSUE 10. P. 1307-1313 | 9 | 100% | 1 |
| 2 | KALTCHEVA, NT , HILDITCH, RW , (2000) THE DISTRIBUTION OF BRIGHT OB STARS IN THE CANIS MAJOR-PUPPIS-VELA REGION OF THE MILKY WAY.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 312. ISSUE 4. P. 753-768 | 15 | 68% | 42 |
| 3 | SMITH, H , (2003) IS THERE REALLY A LUTZ-KELKER BIAS? RECONSIDERING CALIBRATION WITH TRIGONOMETRIC PARALLAXES.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 338. ISSUE 4. P. 891-902 | 9 | 82% | 37 |
| 4 | BRANHAM, RL , (2017) THE DISTANCE TO THE GALACTIC CENTER DETERMINED BY G, K, AND M STARS.ASTROPHYSICS AND SPACE SCIENCE. VOL. 362. ISSUE 2. P. - | 8 | 67% | 0 |
| 5 | BRANHAM, RL , (2014) THE DISTANCE TO THE GALACTIC CENTER DETERMINED BY OB STARS.ASTROPHYSICS AND SPACE SCIENCE. VOL. 353. ISSUE 1. P. 179 -190 | 9 | 56% | 3 |
| 6 | BUTKEVICH, AG , BERDYUGIN, AV , TEERIKORPI, P , (2005) STATISTICAL BIASES IN STELLAR ASTRONOMY: THE MALMQUIST BIAS REVISITED.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 362. ISSUE 1. P. 321-330 | 14 | 45% | 12 |
| 7 | SMITH, H , (2006) BEWARE LAMBDA-TRUNCATION! SAMPLE TRUNCATION AND BIAS IN LUMINOSITY CALIBRATION USING TRIGONOMETRIC PARALLAXES.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. VOL. 365. ISSUE 2. P. 469-476 | 7 | 78% | 4 |
| 8 | BRANHAM, RL , (2012) IS COMET C/1853 E1 (SECCHI) EXTRASOLAR?.ASTRONOMISCHE NACHRICHTEN. VOL. 333. ISSUE 2. P. 118-124 | 8 | 53% | 4 |
| 9 | REED, BC , (2003) CATALOG OF GALACTIC OB STARS.ASTRONOMICAL JOURNAL. VOL. 125. ISSUE 5. P. 2531-2533 | 10 | 48% | 68 |
| 10 | BRANHAM, RL , (2011) THE KINEMATICS AND VELOCITY ELLIPSOID OF THE G III STARS.REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA. VOL. 47. ISSUE 2. P. 197-209 | 9 | 43% | 1 |
Classes with closest relation at Level 1 |