Large Magellanic Cloud Near-infrared Synoptic Survey. V. Period-Luminosity Relations of Miras

Wenlong Yuan; Lucas M. Macri; Shiyuan He; Jianhua Z. Huang; Shashi M. Kanbur; Chow Choong Ngeow

doi:10.3847/1538-3881/aa86f1

Large Magellanic Cloud Near-infrared Synoptic Survey. V. Period-Luminosity Relations of Miras

Wenlong Yuan, Lucas M. Macri, Shiyuan He, Jianhua Z. Huang, Shashi M. Kanbur, Chow Choong Ngeow

Graduate Institute of Astronomy

Research output: Contribution to journal › Review article › peer-review

28 Scopus citations

Abstract

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.

Original language	English
Article number	149
Journal	Astronomical Journal
Volume	154
Issue number	4
DOIs	https://doi.org/10.3847/1538-3881/aa86f1
State	Published - Oct 2017

Keywords

distance scale
stars: variables: general

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10.3847/1538-3881/aa86f1

Time-Domain Astronomy in Taiwan (Tidat): from Local Star Clusters to Local Galaxies(3/3)
Ngeow, C.
1/08/17 → 31/07/18
Project: Research

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
Dataset

Cite this

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title = "Large Magellanic Cloud Near-infrared Synoptic Survey. V. Period-Luminosity Relations of Miras",

abstract = "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.",

keywords = "distance scale, stars: variables: general",

author = "Wenlong Yuan and Macri, {Lucas M.} and Shiyuan He and Huang, {Jianhua Z.} and Kanbur, {Shashi M.} and Ngeow, {Chow Choong}",

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T1 - Large Magellanic Cloud Near-infrared Synoptic Survey. V. Period-Luminosity Relations of Miras

AU - Yuan, Wenlong

AU - Macri, Lucas M.

AU - He, Shiyuan

AU - Huang, Jianhua Z.

AU - Kanbur, Shashi M.

AU - Ngeow, Chow Choong

PY - 2017/10

Y1 - 2017/10

N2 - 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.

AB - 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.

KW - distance scale

KW - stars: variables: general

UR - http://www.scopus.com/inward/record.url?scp=85031112609&partnerID=8YFLogxK

U2 - 10.3847/1538-3881/aa86f1

DO - 10.3847/1538-3881/aa86f1

M3 - 回顧評介論文

AN - SCOPUS:85031112609

SN - 0004-6256

VL - 154

JO - Astronomical Journal

JF - Astronomical Journal

IS - 4

M1 - 149

ER -

Large Magellanic Cloud Near-infrared Synoptic Survey. V. Period-Luminosity Relations of Miras

Abstract

Keywords

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Projects

Time-Domain Astronomy in Taiwan (Tidat): from Local Star Clusters to Local Galaxies(3/3)

Datasets

LMC NIR synoptic survey. V. NIR photometry of Miras

Cite this