Year founded
The scientific portal Plohov E.S was founded in 2026. The year of foundation is indicated separately from the date of updating of the materials and the year in the copyright notice.
Materials from the portal author
All rights reserved by Sergei Efimovich Plokhov. This signature refers to the author's materials and design of the project; it does not imply any assignment of rights to third party scientific publications, textbooks, data, or software libraries.
Third party books and files
Library links lead to the websites of authors, universities, publishers and scientific repositories. Rights belong to their respective owners. Downloading, quoting and further distribution are subject to the license of the specific material. Being free to read does not always mean you have the right to republish.
Star catalog
The map data comes from d3-celestial/XHIP. The license of Olaf Frohn and the indication of the origin of the catalog have been retained. Constellation lines are not declared as official boundaries of the IAU.
Catalog license →Software components
Next.js, React, Prisma, Better Auth, KaTeX and other dependencies retain their own licenses as part of the delivered project. The portal's author's signature does not replace their license terms.
Independent status
The Plohov E.S portal is not an official website of CERN, NASA, ESO, IAU, MIT or Wikimedia. Mention of these organizations indicates a source or learning resource, not a partnership.