The Ultimate I-band Calibration of the TRGB Standard Candle

• Autorzy: Udalski A. , Skowron D. M. , Skowron J. , Szymański M. K. , Soszyński I. , Pietrukowicz P. , Mróz P. , Poleski R. , Kozłowski S. , Ulaczyk K. , Rybicki K. A. , Iwanek P. , Gromadzki M. , Wrona M. , Ratajczak M. , Mróz M. J.

Identyfikatory

DOI

10.32023/0001-5237/75.1.1

• Języki publikacji: EN

Abstrakty

EN

We present the ultimate I-band calibration of the tip of the red giant branch (TRGB) standard candle. Our calibration is based on photometry from the outer parts of the Large Magellanic Cloud, 2.°75<r<6.°5 from the center, collected during the OGLE-IV phase of the Optical Gravitational Lensing Experiment. Outer regions of the LMC have large advantages compared to the previous attempts of the TRGB calibrations using the red giants from the central parts of this galaxy. The interstellar reddening in these regions is much lower and more uniform, stellar crowding is lower and the outer parts of the LMC can be accurately described as a flat disk within the reasonable distance from the LMC center. The number of red giants in the upper part of the red giant branch in our LMC region is large, ≈140 000, making it possible to determine of the tip magnitude with high accuracy. Our ultimate I-band calibration of the TRGB is: M_{I TRGB}=-4.022±0.006 (stat) ±0.033 (syst) mag. We also provide its values for different techniques of the determination of the tip magnitude. The accuracy of our calibration is mostly limited by the accuracy of the distance to the LMC (≈1\%) and can be improved in the future. We test our calibration by comparing it with the TRGB in the Small Magellanic Cloud and NGC 4258, i.e., the galaxies with precise geometric distance determination, and find excellent agreement. Finally, we refine the main determinations of the Hubble constant, H₀, with the TRGB using our new calibration of the I-band TRGB brightness.

Słowa kluczowe

EN

distance scale; stars: distances; Magellanic Clouds

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2025
• Tom: Vol. 75, No. 1
• Strony: 1--26
• Opis fizyczny: Bibliogr. 54 poz., rys., tab., wykr.

Twórcy

autor

Udalski A.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Skowron D. M.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Skowron J.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Szymański M. K.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Soszyński I.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Pietrukowicz P.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Mróz P.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Poleski R.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Kozłowski S.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Ulaczyk K.

• Department of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK
• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Rybicki K. A.

• Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel
• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Iwanek P.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Gromadzki M.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Wrona M.

• Department of Astrophysics and Planetary Science, Villanova University, 800 East Lancaster Avenue, Villanova, PA 19085, USA
• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Ratajczak M.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

autor

Mróz M. J.

• Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland

Bibliografia

• Anand, G.S., Tully, R.B., Rizzi, L., Riess, A.G., and Yuan, W. 2022, ApJ, 932, 15.
• Anand, G.S., Riess, A.G, Yuan, W. et al. 2024, ApJ, 966, 89.
• Anderson, R.I., Koblischke, N.W, and Eyer, L. 2024, ApJ, 963, L43.
• Choi, Y., Nidever, D.L., Olsen, K. et al. 2018, ApJ, 866, 90.
• Cioni M.-R. 2009, A&A, 506, 1137.
• Freedman, W.L. 2021, ApJ, 919, 16.
• Freedman, W.L., Madore, B.F., Hatt, D. et al. 2019, ApJ, 882, 34.
• Freedman, W.L., Madore, B.F., Hoyt, T. et al. 2020, ApJ, 891, 57.
• Freedman, W.L., Madore, B.F., Hoyt, T.J., Jang, I.S., Lee, A.J., and Owens, K.A. 2025, ApJ, 985, 203.
• Gaia Collaboration, Luri, X., Chemin, L. et al. 2021, A&A, 649, A7.
• Górski, M., Zgirski, B., Pietrzyński, G. et al. 2020, ApJ, 889, 179.
• Graczyk, D., Pietrzyński, G., Thompson, I.B. et al. 2020, ApJ, 904, 13.
• Harris, W.E. 2018, AJ, 156, 296.
• Haschke, R., Grebel, E., and Duffau, S. 2011, AJ, 141, 158.
• Hoyt, T.J. 2023, Nature Astronomy, 7, 590.
• Hoyt, T.J., Jang, I.S., Freedman, W.L., Madorre, B.F., Owens, K.A., and Lee, A.J. 2025, arXiv:2503.11769.
• Inno, L., Bono, G., Matsunaga, N. et al. 2016, ApJ, 832, 176.
• Jacyszyn-Dobrzeniecka, A.M., Skowron, D.M., Mróz, P. et al. 2016, Acta Astron., 66, 149.
• Jang, I.S, and Lee, M.G. 2017, ApJ, 835, 28.
• Jang, I.S., Hoyt, T.J., Beaton, R.L. et al. 2021, ApJ, 906, 125.
• Joshi, Y.C., and Panchal, A. 2019, A&A, 628, A51.
• Kim, Y.J., Kang, J., Lee, M.G., and Jang, I.S. 2020, ApJ, 905, 104.
• Lee, M.G, Freedman, W.L., and Madore, B.F. 1993, ApJ, 417, 553.
• Li, S., Riess, A.G., Scolnic, D. et al. 2023, ApJ, 956, 32.
• Li, S., and Beaton, R.L. 2024, in “Hubble Constant Tension”, Eds. E. Di Valentino and D. Brout, Springer Singapore, p. 135.
• Li, S., Anand, G.S., Riess, A.G. et al. 2024, ApJ, 976, 177.
• Madore, B.F., Mager, V., and Freedman, W.L. 2009, ApJ, 690, 389.
• Mager, V., Madore, B.F., and Freedman, W.L. 2008, ApJ, 689, 721.
• Makarov, D., Makarova, L., Rizzi, L., Tully, B.R., Dolphin, A.E., Sakai, S., and Shaya, E.J. 2006, AJ, 123, 2729.
• Pejcha, O., and Stanek. K.Z. 2009, ApJ, 704, 1730.
• Persson, S.E., Madore, B.F., Krzemiński, W., Freedman, W.L., Roth, M., and Murphy, D.C. 2004, AJ, 128, 2239.
• Pietrzyński, G., Graczyk, D., Gallenne, A. et al. 2019, Nature, 567, 200.
• Planck collaboration, Aghanim, N, Akrami, Y. et al. 2020, A&A, 641, A6.
• Reid, M.J., Pesce, D.W., and Riess, A.G. 2019, ApJ, 886, L27.
• Riess, A.G., Yuan, W., Macri, L.M. et al. 2022, ApJ, 934, L7.
• Saroon, S., and Subramanian, S. 2022, A&A, 666, A103.
• Schechter, P.L., Mateo, M., and Sahu, A. 1993, PASP, 105, 1342.
• Scolnic, D., Riess, A.G., Wu, J. et al. 2023, ApJ, 954, L31.
• Schlafly, E.F., and Finkbeiner, D.P. 2011, ApJ, 737, 103S.
• Schlegel D.J„ Finkbeiner, D.P., and Davis, M. 1998, ApJ, 500, 525.
• Skowron, D.M., Soszyński, I., Udalski, A. et al. 2016, Acta Astron., 66, 269.
• Skowron, D.M., Skowron, J., Udalski, A. et al. 2021, ApJS, 252, 23.
• Subramaniam, A. 2005, A&A, 430, 421.
• Tatton, B.L., van Loon, J. Th., Cioni, M.-R. et al. 2013, A&A, 554, A33.
• Udalski. A. 2000, Acta Astron., 50, 279.
• Udalski. A. 2003a, Acta Astron., 53, 291.
• Udalski. A. 2003b, ApJ, 590, 284.
• Udalski, A., Szymański, M.K., and Szymański, G. 2015, Acta Astron., 65, 1.
• Yuan, W., Riess, A.G., Macri, L.M., Casertano, S., and Scolnic, D.M. 2019, ApJ, 886, 61.
• van der Marel, R.P., and Cioni M.-R. 2001, AJ, 122, 1807.
• van der Marel, R.P., and Kallivayalil, N. 2014, ApJ, 781, 121.
• Wang, S., and Chen, X. 2023, ApJ, 946, 43.
• Woźniak, P. 2000, Acta Astron., 50, 421.
• Zhang, X., and Green, G. 2025, Science, 387, 1209.