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Cuadra, JorgeAuthor

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On the Angle of Sunset

Publicated to:Research Notes of the AAS. 6 (12): 257-257 - 2022-12-07 6(12), DOI: 10.3847/2515-5172/aca6ea

Authors: Wladimir Lyra; Jorge Cuadra; R. Lachaume; John Meftah

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Abstract

Abstract We calculate the angle ? between the Sun path at sunset and the horizon to be ? = arctan 1 ? sin 2 ? cos 2 ? tan ( 90 ° ? ? ) , where ? is the decl. of the Sun, and ? is the latitude of the place. We dub this angle the ghorub angle, after ????, the Arabic word for sunset.

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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-05-29:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 1.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 1 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 0.5.
  • The number of mentions on the social network X (formerly Twitter): 1 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.