Astrophysics is the 22nd out of 47 Astrophysics journals. This Journal is the 1182nd out of 2,084 Physics journals. This Journal is the 5901st out of 11,479 Physical Sciences journals.
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.