SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field.
SJR is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and a qualitative measure of the journal’s impact.
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
© 2017 Journal Citation Reports ® (Clarivate Analytics, 2017)
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Driven by observations conducted with unprecedented experimental facilities and satellites, the last few years have brought a plethora of historic results at the high-energy end of the electromagnetic spectrum. These appeal to new theoretical efforts and multi-frequency investigations, which are altogether leading to a burst of new ideas, problems, and research directions.
High-energy astrophysics, a research field that connects astronomy, cosmology and particle physics, will continue to expand in the next decades with an increasing rate, additionally boosted by the forthcoming improvements in experimental detection precision.
The Journal of High Energy Astrophysics (JHEAp) is the first astrophysical journal that focuses on the study of highly energetic phenomena.
Pivoting on this general topic, and in the belief that boundaries in astronomy are naturally fading, JHEAp seeks the most impacting and scientifically sound papers, those generally crossing specialization fields and attracting the interest of astronomers at any wavelength.
The journal welcomes manuscripts on theoretical models, simulations, and observations of highly energetic astrophysical objects both in our Galaxy and beyond. Among those, black holes at all scales, neutron stars, pulsars and their nebula, binaries, novae and supernovae, their remnants, active galaxies, and clusters are just a few examples. The journal will consider research across the whole electromagnetic spectrum, as well as research using various messengers, such as gravitational waves or neutrinos. Effects of high-energy phenomena on cosmology and star-formation, results from dedicated surveys expanding the knowledge of extreme environments, and astrophysical implications of dark matter are also welcomed topics.
The journal adopts the commonly used single blind peer review system, during which the reviewer names are kept anonymous while the author or collaboration name is disclosed to the reviewers. In addition, the journal will introduce the possibility for papers to be refereed in a double blind process, in order to ensure and promote quality. A dedicated reviewer pool, an active Editorial Board, a fast and traceable online submission procedure, and appropriate reviewer incentives will further ensure a rapid and strict peer reviewing process.
JHEAp has no page charges and has a delayed open access model. All color figures are free for the online version and a selection of printed color figures costs may be waived at the Editor's discretion. JHEAp will be indexed in all major systems such as Scopus and the SAO/NASA Astrophysics Data System (ADS).