The graph shows the changes in the impact factor of Astrophysical Journal and its the corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers published in those years.
How Influential is Astrophysical Journal?
Astrophysical Journal is the 7th out of 47 Astrophysics journals. This means the journal is among the top 15% in the sub-discipline of Astrophysics. This Journal is the 12th out of 96 Astronomy journals. This means the journal is among the top 13% in the sub-discipline of Astronomy. This Journal is the 146th out of 2,084 Physics journals. This means the journal is among the top 8% in the discipline of Physics. This Journal is the 806th out of 11,479 Physical Sciences journals. This means the journal is among the top 8% in the science branch of Physical Sciences.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.
