August 10, 2026 article Open access X-Ray Spectral Properties of Four Classical TeV Blazars Using Simultaneous Observations from NICER and NuSTAR The Astrophysical Journal DOI: 10.3847/1538-4357/ae875a Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 0 stored of 0 References 2 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access OUP accepted manuscript 2021 Monthly Notices of the Royal Astronomical Society article Physics and Astronomy Galaxies: Formation, Evolution, Phenomena Open access 19 citations Rapid X-ray variability in Mkn 421 during a multiwavelength campaign 2022 Monthly Notices of the Royal Astronomical Society article Physics and Astronomy Astrophysics and Cosmic Phenomena Open access 13 citations 2 results