The Extragalactic Distance Scale without Cepheids IV

The Extragalactic Distance Scale without Cepheids IV

The Cepheid period-luminosity relation is the primary distance indicator used in most determinations of the Hubble constant. The tip of the red giant branch (TRGB) is an alternative basis. Using the new ANU SkyMapper Telescope, we calibrate the Tully Fisher relation in the I band. We find that the T...

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Veröffentlicht in:arXiv.org 2011-04
Hauptverfasser: Hislop, Lachlan, Mould, Jeremy, Schmidt, Brian, Bessell, Michael S, Da Costa, Gary, Francis, Paul, Keller, Stefan, Tisserand, Patrick, Rapoport, Sharon, Casey, Andy
Format: Artikel
Sprache:eng
Schlagworte:
Cepheid variables
Hubble constant
Luminosity
Physics - Cosmology and Nongalactic Astrophysics
Tully-Fisher relation
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Zusammenfassung:The Cepheid period-luminosity relation is the primary distance indicator used in most determinations of the Hubble constant. The tip of the red giant branch (TRGB) is an alternative basis. Using the new ANU SkyMapper Telescope, we calibrate the Tully Fisher relation in the I band. We find that the TRGB and Cepheid distance scales are consistent.
ISSN:2331-8422
DOI:10.48550/arxiv.1104.0974