Old-Aged Primary Distance Indicators

Beaton, Rachael L.; Bono, G.; Braga, V. F.; Dall’Ora, M.; Fiorentino, G.; Jang, In Sung; Martı́nez-Vázquez, C. E.; Matsunaga, Noriyuki; Monelli, M.; Neeley, Jillian R.; Salaris, Maurizio

doi:10.1007/978-94-024-1631-2_4

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2022

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“…We need a comparable standard candle that covers both late-type and early-type galaxies in the local Universe. That standard candle is the tip of the red-giant branch (TRGB) (Lee et al 1993;Beaton et al 2019;Madore et al 2023, and references therein). Here, I introduce some examples of cosmological applications of the TRGB.…”

Section: Introductionmentioning

confidence: 99%

The Tip of the Red Giant Branch as a Cosmological Tool

Lee

2022

Proc. IAU

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The luminosity of the brightest stars (tip) of the red giant branch (TRGB) in the color–magnitude diagrams of old stars was used early on to introduce the ‘multiple stellar populations’ concept, in 1944, by Walter Baade. However, the precision and accuracy of the TRGB for distance estimation has not been known well for long. In the modern era, equipped with high spatial resolution imaging telescopes, the TRGB is considered an excellent standard candle for any type of resolved galaxies, thus representing a powerful probe for cosmology. The TRGB has several advantages over the classical Cepheids. I review how we can apply the TRGB in cosmology. Four science cases, from large to small scales, are presented: (1) the Hubble flow with Type Ia supernovae; (2) Virgo Cluster infall and dark matter; (3) dark galaxies; and (4) dark matter-free galaxies.

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Section: Introductionmentioning

confidence: 99%

The Tip of the Red Giant Branch as a Cosmological Tool

Lee

2022

Proc. IAU

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Old-Aged Primary Distance Indicators

Cited by 1 publication

References 350 publications

The Tip of the Red Giant Branch as a Cosmological Tool

The Tip of the Red Giant Branch as a Cosmological Tool

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