A Method of Improving Standard Stellar Luminosities with Multiband Standard Bolometric Corrections

• Autorzy: Bakış, V. , Eker, Z.
• Języki publikacji: EN

Abstrakty

EN

Standard luminosity (L) of 406 main-sequence stars with the most accurate astrophysical parameters are calculated from their absolute magnitudes and bolometric corrections at Johnson BV, and Gaia EDR3 G, G_BP, G_RP filters. Required multiband BC and BC-T_eff relations are obtained first from the parameters of 209 Double-lined Detached Eclipsing Binaries with main-sequence components and Gaia EDR3 parallaxes. A simplified SED is formulated to give filter dependent component light contributions and interstellar dimming, which are essential in computing BC of a component, virtually at any filter. The mean standard L of a star is calculated from the mean M_bolwhich is a mathematical average of independent M_boll values predicted at different filters, while the uncertainty of L is the uncertainty propagated from the uncertainty of the mean M_bol. The mean standard L of the sample stars are compared to the corresponding L values according to the Stefan-Boltzmann law. A very high correlation (R²>0.999) is found. Comparing histogram distributions of errors shows that uncertainties associated with the mean standard L (peak at ≈2.5 per cent) are much smaller than the uncertainties of L (peak at ≈8 per cent) by the Stefan-Boltzmann law. Increasing the number of filters used in predicting the mean M_bol increases the accuracy of the standard stellar luminosity. Extinction law, color-color relations and color excess vs. color excess relations for Gaia passbands are presented for the first time for main-sequence stars.

Słowa kluczowe

EN

stars: fundamental parameters; binaries: eclipsing; Sun: general

• Czasopismo: Acta Astronomica
• Rocznik: 2022
• Tom: Vol. 72, No. 3
• Strony: 195--232
• Opis fizyczny: Bibliogr. 42 poz., tab., wykr.

Twórcy

autor

Bakış, V.

• Department of Space Sciences and Technologies, Faculty of Sciences, Akdeniz University, Antalya, TR

autor

Eker, Z.

• Department of Space Sciences and Technologies, Faculty of Sciences, Akdeniz University, Antalya, TR

Bibliografia

• Andrae, R., Fouesneau, M., Creevey, O., et al. 2018, A&A, 616, A8.
• Arenou, F., Luri, X., Babusiaux, C., et al. 2018, A&A, 616, A17.
• Bessell, M.S. 1990, PASP, 102, 1181.
• Bessell, M.S., Castelli, F., and Plez, B. 1998, A&A, 333, 231.
• Bressan, A., Marigo, P., Girardi, L., et al. 2012, MNRAS, 427, 127.
• Casagrande, L., and VandenBerg, D.A. 2018, MNRAS, 475, 5023.
• Cayrel, R., Castelli, F., Katz, et al. 1997, Proceedings of the ESA Symposium, 402, 433.
• Chen, Y., Girardi, L., Fu, X., et al. 2019, A&A, 632, A105.
• Clayton, D.D. 1968, “Principles of stellar evolution and nucleosynthesis”.
• Code, A.D., Davis, J., Bless, R.C., and Brown, R.H. 1976, ApJ, 203, 417.
• Cox, A.N. 2000, “Allen’s astrophysical quantities”.
• Eker, Z., Soydugan, F., Bilir, S., et al. 2020, MNRAS, 496, 3887.
• Eker, Z., Bakı¸s, V., Bilir, S., et al. 2018, MNRAS, 479, 5491.
• Eker, Z., Bakı¸s, V., Soydugan, F., and Bilir, S. 2021a, MNRAS, 503, 4231.
• Eker, Z., Soydugan, F., Bilir, S., and Bakı¸s, V. 2021b, MNRAS, 507, 3583.
• Evans, D.W.,Riello, M., De Angeli, F., et al. 2018, A&A, 616, A4.
• Fitzpatrick, E.L. 1999, PASP, 111, 63.
• Flower, P.J. 1977, A&A, 54, 31.
• Flower, P.J. 1996, ApJ, 469, 355.
• Gaia Collaboration, Brown, A.G.A., Vallenari, A. et al. 2018, A&A, 616, A1.
• Girardi, L., Bertelli, G., Bressan, A., et al. 2002, MNRAS, 391, 195.
• Girardi, L., Dalcanton, J., Williams, B., et al. 2008, PASP, 120, 583.
• Graczyk, D., Pietrzy´nski, G., Gieren, W., et al. 2019, ApJ, 872, 85.
• Heintze, J.R.W. 1973, Proceedings of IAU Symposium, 54, 231.
• Johnson, H.L. 1964, Boletin de los Observatorios Tonantzintla y Tacubaya, 3, 305.
• Johnson, H.L. 1966, Ann. Rev. Astron. Astrophys, 4, 193.
• Jordi, C., Gebran, M., Carrasco, J.M., et al. 2010, A&A, 532, 48.
• Kuiper, G.P. 1938, ApJ, 88, 429.
• Lacy, C.H.S., Torres, G., Wolf, M., and Burks, C.L. 2014, AJ, 147, 1.
• Martins, F., and Plez, B. 2006, A&A, 457, 637.
• McDonald, J.K, and Underhill, A.B. 1952, ApJ, 115, 577.
• Pecaut, M.J., and Mamajek, E.E. 2013, ApJS, 208, 9.
• Pedersen, M.G., Escorza, A., Pápics, P.I., and Aerts, C. 2020, MNRAS, 495, 2738.
• Popper, D.M. 1959, ApJ, 129, 647.
• Smak, J. 1966, Acta Astron., 16, 1.
• Sung, H., Lim, B., Bessell, M.S., et al. 2013, Journal of Korean Astronomical Society, 46, 103.
• Tomasella, L., Munari, U., Siviero, et al. 2008, A&A, 480, 465.
• Torres, G. 2010, AJ, 140, 1158.
• Weidemann, V., and Bues, I. 1967, Zeitschrift für Astrophysik, 67, 415.
• Wenger, M., et al. 2000, A&AS, 143, 9.
• Wildey, R.L. 1963, Nature, 199, 988.
• Wilmor, Ch.N.A. 2018, ApJS, 236, 47.

Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024)

Identyfikatory

DOI

10.32023/0001-5237/72.4