Mid-Infrared Period$-$Luminosity Relations for Miras in the Large Magellanic Cloud

Abstract

We present the mid-infrared (mid-IR) period$-$luminosity relations (PLRs) using over 1000 Mira variables in the Large Magellanic Cloud (LMC), for the four Wide-Field Infrared Survey Explorer (WISE) and the four Spitzer bands. These PLRs cover a mid-IR wavelength range from $3.4$ $\mu$m to $22$ $\mu$m and are presented separately for the oxygen-rich (O-rich) and carbon-rich (C-rich) Miras. These relations can be used to measure distances to individual O-rich and/or C-rich Mira stars with the accuracy of $5\%$ and $12\%$, respectively. They are the most accurate Mira PLRs in the mid-IR to date.

Accepted for publication in The Astrophysical Journal. 18 pages, 8 figures, 4 tables. The full machine readable Table 3 will be available in the online journal just after publication

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• Mira variables in the Milky Way's nuclear stellar disc: discovery and classification
• A three-dimensional map of the Milky Way using 66,000 Mira variable stars
• Hunting for C-rich long-period variable stars in the Milky Way's bar-bulge using unsupervised classification of Gaia BP/RP spectra
• Multiwavelength properties of Miras
• A VLBA Trigonometric Parallax for RR Aql and the Mira PL Relation
• A Distance Measurement to M33 Using Optical Photometry of Mira Variables
• Do Miras show the long secondary periods?
• Unveiling VVV/WISE Mira variables on the far side of the Galactic disk: Distances, kinematics and a new extinction law
• Long-period maser-bearing Miras in the Galactic center: period-luminosity relations and extinction estimates
• Zwicky Transient Facility and Globular Clusters: the gr-Band Period-Luminosity Relations for Mira Variables at Maximum Light and Their Applications to Local Galaxies
• The Variable Sky Through the OGLE Eye
• Cyclic light variations and accretion disk evolution in the LMC eclipsing binary OGLE-LMC-DPV-062