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Galactic calibration of the tip of the red giant branch

  • Jeremy Mould (a1), Gisella Clementini (a2) and Gary Da Costa (a3)

Abstract

Indications from Gaia data release 2 are that the tip of the red giant branch (a population II standard candle related to the helium flash in low mass stars) is close to –4 in absolute I magnitude in the Cousins photometric system. Our sample is high-latitude southern stars from the thick disk and inner halo, and our result is consistent with longstanding findings from globular clusters, whose distances were calibrated with RR Lyrae stars. As the Gaia mission proceeds, there is every reason to think an accurate Galactic geometric calibration of tip of the red giant branch will be a significant outcome for the extragalactic distance scale.

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Corresponding author

Author for correspondence: Jeremy Mould, Email: jmould@swin.edu.au

References

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Arenou, F., et al. 2018, A&A, 616, A17
Beaton, R., et al. 2016, ApJ, 832, 210
Beaton, R., et al. 2018, arxiv.180809191
Bellazzini, M. 2007, MemSAIt, 79, 440
Gaia Collaboration, Babusiaux, C., et al. 2018a, A&A, 616, A10
Gaia Collaboration, Brown, A. G. A., et al. 2018b, A&A 616, A1
Brown, T., et al. 2005, AJ, 130, 1693
Burstein, D., & Heiles, C. 1982, AJ, 87, 1165
Chen, S., et al. 2018, arXiv:1807.07089
Clementini, G., et al. 2018, arXiv:1805.02079
Da Costa, G., & Armandroff, T. 1990, AJ, 100, 162
Di Valentino, E., et al. 2018, JCAP 04, 017
Eddington, A. 1913, MNRAS, 73, 359
Evans, D., et al. 2018, A&A 616, A4
Harris, W. E. 1996, AJ, 112, 1487
Hatt, D., et al. 2018, ApJ, 861, 104
Hernitschek, N., et al. 2018, ApJ, 859, 31
Hislop, L., et al. 2011, ApJ, 733, 75
Iorio, G., et al. 2018, MNRAS, 474, 2142
Luri, X., et al. 2018, A&A 616, A9
Lutz, T., & Kelker, D. 1975, PASP, 85, 574
Malmquist, K. 1922, Meddelanden Lund Obs., 100, 1
Milone, A., et al. 2018, MNRAS, 481, 5098
Mould, J. 2017, NatAs, 1, 739
Rizzi, L., et al. 2007, ApJ, 661, 815
Robin, A., et al. 2003, A&A, 409, 523
Saha, A. 1985, ApJ, 289, 310
Schlegel, D., et al. 1998, ApJ, 500, 525
Serenelli, A., et al. 2018, A&A, 606, 33
Sweigart, A. & Gross, P. 1978, ApJS, 36, 405
Wolf, C., et al. 2018, PASA, 35, 010

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