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Nature, ISSN 0028-0836, 04/2012, Volume 484, Issue 7392, pp. 75 - 77
RR Lyrae pulsating stars have been extensively used as tracers of old stellar populations for the purpose of determining the ages of galaxies, and as tools to... 
CONTACT | VARIABLES | CURVES | MULTIDISCIPLINARY SCIENCES | LIGHT | MASS | Stellar oscillations | Spectra | Observations | Stars, Double | Evolution | Temperature | Stars & galaxies | Binary system | Astronomy | Galaxies | Stars | Hertzsprung-Russell diagram | Age determination | Binary systems | Instability | Physical properties | Pulsation | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 08/2010, Volume 518, Issue 11
Journal Article
Nature, ISSN 0028-0836, 2013, Volume 495, Issue 7439, pp. 76 - 79
In the era of precision cosmology, it is essential to determine the Hubble constant to an accuracy of three per cent or better(1,2). At present, its... 
CALIBRATION | PARALLAXES | PROJECT | HUBBLE-SPACE-TELESCOPE | MULTIDISCIPLINARY SCIENCES | LIGHT | CONSTANT | STARS | CURVES | Measurement | Cosmological distances | Magellanic Clouds | Observations | Stars, Double | Accuracy | Astrophysics | Calibration | Stars & galaxies | Astronomy
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 05/2018, Volume 476, Issue 1, pp. 27 - 42
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 03/2019, Volume 623, p. A59
Journal Article
Journal Article