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We study the near-infrared properties of 690 Mira candidates in the central region of the Large Magellanic Cloud, based on time-series observations at JHK s. We use densely sampled I-band observations from the OGLE project to generate template light curves in the near-infrared and derive robust mean magnitudes at those wavelengths. We obtain near-infrared Period-Luminosity relations for oxygen-rich Miras with a scatter as low as 0.12 mag at K s. We study the Period-Luminosity-Color relations and the color excesses of carbon-rich Miras, which show evidence for a substantially different reddening law.
|State||Published - Oct 2017|
- distance scale
- stars: variables: general
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- 1 Finished
Time-Domain Astronomy in Taiwan (Tidat): from Local Star Clusters to Local Galaxies(3/3)
1/08/17 → 31/07/18
LMC NIR synoptic survey. V. NIR photometry of Miras
Yuan, W. (Creator), Macri, L. M. (Creator), He, S. (Creator), Huang, J. Z. (Creator), Kanbur, S. M. (Creator) & Ngeow, C. (Creator), Strasbourg Astronomical Data Center, 2018
DOI: 10.26093/cds/vizier.51540149, https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/154/149