Fundamentals of Stars: A Critical Look at Mass-Luminosity Relations and Beyond

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dc.contributor.authorEker, Zeki
dc.contributor.authorSoydugan, Faruk
dc.contributor.authorBilir, Selçuk
dc.date.accessioned2025-05-29T05:21:44Z
dc.date.available2025-05-29T05:21:44Z
dc.date.issued2024
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractDevelopments on various relations among stellar variables such as the main sequence empirical mass-luminosity (MLR), massradius (MRR) and mass-effective temperature (MTR) relations were reviewed. Conceptual changes in their understanding and usages were discussed. After its discovery, MLR was treated as one of the fundamental secrets of the cosmos. Differences between fundamental laws and statistical relations were used to understand long-term developments of MLR, MRR and MTR. Developments show a break point, initiated by Andersen (1991), in the line of progress. Before the break when reliable data were limited, MLR and MRR were calibrated using M, L, and R of binary components of all kinds visual, spectroscopic, and eclipsing for two purposes: i) to obtain mean mass, mean luminosity, and mean radius, ii) to estimate M and R of single stars. By the time of the break, the number of solutions from detached double-lined eclipsing binaries (DDEB) giving accurate M and R within a few percent levels are increased. Parameters from very close, semi-detached, and contact binaries were excluded for refinement, however, MLR and MRR diagrams were found insufficient to derive MLR and MRR functions because the dispersions are not only due to random observational errors but also due to chemical composition and age differences. Then, a new trend was adopted by replacing classical MLR and MRR with empirical M and R predicting relations. Thus, the purpose one was suppressed also because the new trend found a fruitful application in determining M and R of exoplanet hosting single stars.
dc.identifier.doi10.26650/PAR.2024.00001
dc.identifier.endpage57
dc.identifier.issn2980-3012
dc.identifier.issue1
dc.identifier.startpage41
dc.identifier.urihttps://doi.org/10.26650/PAR.2024.00001
dc.identifier.urihttps://hdl.handle.net/20.500.12428/30737
dc.identifier.volume2
dc.language.isoen
dc.publisherIstanbul University
dc.relation.ispartofPhysics and Astronomy Reports
dc.relation.publicationcategoryDiğer
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_DergiPark_20250529
dc.subjectStars
dc.subjectfundamental parameters
dc.subjectStars
dc.subjectluminosity and mass functions
dc.subjectGalaxies
dc.subjectluminosity function and mass functions
dc.subjectCosmology
dc.subjectmiscellaneous
dc.titleFundamentals of Stars: A Critical Look at Mass-Luminosity Relations and Beyond
dc.typeReview

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