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Identifying Remote Halo Giants in High-Latitude Fields with Kepler 2
Published online by Cambridge University Press: 17 August 2016
Abstract
This work sketches how SDSS ugr colors and Kepler 2 in halo fields can identify red giants 50–100 kpc distant with minimal metallicity bias. For these mildly-reddened, metal-poor giants, (g-r)o yields the effective temperature Teff to 100 K. K2 can detect the p-mode oscillations of red giants and measure their frequency of maximum power νmax. This sets the luminosity Lbol and thus the distance, plus an estimate of metallicity [Fe/H].
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- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 11 , Symposium S319: Galaxies at High Redshift and Their Evolution Over Cosmic Time , August 2015 , pp. 141 - 142
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- Copyright © International Astronomical Union 2016