Usage

• 2733Downloads 2019
  Springer measures the usage on the SpringerLink platform according to the COUNTER (Counting Online Usage of NeTworked Electronic Resources) standards.
• 21 Usage Factor 2018/2019
  The Springer Journal Usage Factor 2018/2019 was calculated as suggested by the COUNTER Code of Practice for Usage Factors. It is the median value of the number of downloads in 2018/2019 for all articles published online in that particular journal during the same time period. The Usage Factor calculation is based on COUNTER-compliant usage data on the SpringerLink platform. (Counting Online Usage of NeTworked Electronic Resources) standards.

Impact

• 1.191 Impact Factor 2019
  Journal Impact Factors are published each summer by Thomson Reuters via Journal Citation Reports ®. Impact Factors and ranking data are presented for the preceding calendar year.
• 0.56Source Normalized Impact per Paper (SNIP) 2019
  Source Normalized Impact per Paper (SNIP) measures contextual citation impact by weighting citations based on the total number of citations in a subject field. The impact of a single citation is given higher value in subject areas where citations are less likely, and vice versa.
• Q3Quartile: Astronomy and Astrophysics Instrumentation 2019
  The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.
• 0.30 SCImago Journal Rank (SJR) 2019
  SCImago Journal Rank (SJR) is a measure of scientific influence of scholarly journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from.
• 18H-Index 2019
  A journal has an H index of h if it published h papers each of which has been cited in other journals at least h times. Calculations are based on Scopus.

Astrophysical Bulletin is an international peer reviewed journal that publishes the results of original research in various areas of modern astronomy and astrophysics, including observational and theoretical astrophysics, physics of the Sun, radio astronomy, stellar astronomy, extragalactic astronomy, cosmology, and astronomy methods and instrumentation.

Astrophysics Data System (ADS), CNKI, Dimensions, EBSCO Academic Search, EBSCO Discovery Service, Google Scholar, INIS Atomindex, INSPEC, INSPIRE, Institute of Scientific and Technical Information of China, Japanese Science and Technology Agency (JST), Journal Citation Reports/Science Edition, Naver, OCLC WorldCat Discovery Service, ProQuest Advanced Technologies & Aerospace Database, ProQuest Central, ProQuest Earth, Atmospheric & Aquatic Science Database, ProQuest Meteorological & Geoastrophysical Abstracts, ProQuest Natural Science Collection, ProQuest SciTech Premium Collection, ProQuest Science Database, ProQuest Technology Collection, ProQuest-ExLibris Primo, ProQuest-ExLibris Summon, SCImago, SCOPUS, Science Citation Index Expanded (SciSearch), TD Net Discovery Service, UGC-CARE List (India).

Astrofizicheskii Byulleten’
Special Astrophysical Observatory of the Russian Academy of Sciences, Nizhnii Arkhyz, Zelenchukskii raion, Karachaevo-Cherkesia, 369167 Russia
Phone: +7 (87822) 93398
Fax: +7 (87878) 46315
E-mail: balega@sao.ru, astrobull@sao.ru