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The Astrophysical Journal (ApJ [1]) is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler. The journal discontinued its print edition and became an electronic-only journal in 2015.
The Astrophysical Journal; The Astrophysical Journal Letters; The Planetary Science Journal; The Astrophysical Journal Supplement Series; Astrophysics, a translation of the peer-reviewed Russian-language journal Astrofizika; Astrophysics and Space Science
The other two publications of the society, the Astrophysical Journal and its supplement series, followed in January 2009. [2] The journal was established in 1849 by Benjamin A. Gould. It ceased publication in 1861 due to the American Civil War, but resumed in 1885. Between 1909 and 1941 the journal was edited in Albany, New York.
Astronomy & Astrophysics (A&A) [1] is a monthly peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.It is operated by an editorial team under the supervision of a board of directors representing 27 sponsoring countries plus a representative of the European Southern Observatory.
In the cases of the major journals of astronomy (Astrophysical Journal, Astronomical Journal, Astronomy and Astrophysics, Publications of the Astronomical Society of the Pacific and the Monthly Notices of the Royal Astronomical Society), coverage is complete, with all issues indexed from number 1 to the present. These journals account for about ...
As a rule of thumb, each field should be represented by fewer than ten positions, chosen by their impact factors and other ratings. Note : there are many science magazines that are not scientific journals, including Scientific American , New Scientist , Australasian Science and others.
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The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]