{"title":"A meta-analysis of impact factors of astrophysics journals","authors":"Rayani Venkat Sai Rithvik, Shantanu Desai","doi":"10.1140/epjp/s13360-025-06397-8","DOIUrl":null,"url":null,"abstract":"<div><p>We calculate the 2024 impact factors for the 38 most widely used journals in Astrophysics, using the citations collated by NASA/Astrophysics Data System (ADS), and compare them to the official impact factors. This includes journals which publish papers outside of astrophysics such as PRD, EPJC, and Nature. We also propose a new metric to gauge the impact factor based on the median number of citations in a journal and calculate the same for all the journals. We find that the ADS-based impact factors are mostly in agreement, albeit higher than the official impact factors for most journals. The journals with the maximum fractional difference in median-based and old impact factors are JHEAP and PTEP. We find the maximum difference between the ADS and official impact factor for Nature.</p></div>","PeriodicalId":792,"journal":{"name":"The European Physical Journal Plus","volume":"140 5","pages":""},"PeriodicalIF":2.8000,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The European Physical Journal Plus","FirstCategoryId":"4","ListUrlMain":"https://link.springer.com/article/10.1140/epjp/s13360-025-06397-8","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
We calculate the 2024 impact factors for the 38 most widely used journals in Astrophysics, using the citations collated by NASA/Astrophysics Data System (ADS), and compare them to the official impact factors. This includes journals which publish papers outside of astrophysics such as PRD, EPJC, and Nature. We also propose a new metric to gauge the impact factor based on the median number of citations in a journal and calculate the same for all the journals. We find that the ADS-based impact factors are mostly in agreement, albeit higher than the official impact factors for most journals. The journals with the maximum fractional difference in median-based and old impact factors are JHEAP and PTEP. We find the maximum difference between the ADS and official impact factor for Nature.
我们利用NASA/Astrophysics Data System （ADS）整理的引用数据，计算了天体物理学领域38种应用最广泛的期刊的2024年影响因子，并将其与官方影响因子进行了比较。这包括发表天体物理学以外的论文的期刊，如PRD、EPJC和Nature。我们还提出了一种新的指标来衡量影响因子，该指标基于期刊被引用的中位数，并计算所有期刊的影响因子。我们发现基于ads的影响因子大多是一致的，尽管高于大多数期刊的官方影响因子。中位影响因子和老影响因子分数差异最大的期刊是JHEAP和PTEP。我们发现了ADS和《自然》的官方影响因子之间的最大差异。
期刊介绍：
The aims of this peer-reviewed online journal are to distribute and archive all relevant material required to document, assess, validate and reconstruct in detail the body of knowledge in the physical and related sciences.
The scope of EPJ Plus encompasses a broad landscape of fields and disciplines in the physical and related sciences - such as covered by the topical EPJ journals and with the explicit addition of geophysics, astrophysics, general relativity and cosmology, mathematical and quantum physics, classical and fluid mechanics, accelerator and medical physics, as well as physics techniques applied to any other topics, including energy, environment and cultural heritage.
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