A preliminary calibration of the RR Lyrae period-luminosity relation at mid-infrared wavelengths

Wise data

Barry F. Madore, Douglas Hoffman, Wendy L. Freedman, Juna A. Kollmeier, Andrew Monson, S. Eric Persson, Jeff A. Rich, Victoria Scowcroft, Mark Seibert

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Using time-resolved, mid-infrared data from the Wide-field Infrared Survey Explorer (WISE) and geometric parallaxes from the Hubble Space Telescope for four Galactic RR Lyrae variables, we derive the following Population II period-luminosity (PL) relations for the WISE [W1], [W2], and [W3] bands at 3.4, 4.6, and 12 μm, respectively: The slopes and the scatter around the fits are consistent with a smooth extrapolation of those same quantities from previously published K-band observations at 2.2 μm, where the asymptotic (long-wavelength) behavior is consistent with a period-radius relation with a slope of 0.5. No obvious correlation with metallicity (spanning 0.4 dex in [Fe/H]) is found in the residuals of the four calibrating RR Lyrae stars about the mean PL regression line.

Original languageEnglish (US)
Article number135
JournalAstrophysical Journal
Volume776
Issue number2
DOIs
StatePublished - Oct 20 2013

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Wide-field Infrared Survey Explorer
luminosity
slopes
calibration
wavelength
calibrating
extremely high frequencies
Hubble Space Telescope
wavelengths
metallicity
extrapolation
regression analysis
stars
radii

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Madore, B. F., Hoffman, D., Freedman, W. L., Kollmeier, J. A., Monson, A., Eric Persson, S., ... Seibert, M. (2013). A preliminary calibration of the RR Lyrae period-luminosity relation at mid-infrared wavelengths: Wise data. Astrophysical Journal, 776(2), [135]. https://doi.org/10.1088/0004-637X/776/2/135
Madore, Barry F. ; Hoffman, Douglas ; Freedman, Wendy L. ; Kollmeier, Juna A. ; Monson, Andrew ; Eric Persson, S. ; Rich, Jeff A. ; Scowcroft, Victoria ; Seibert, Mark. / A preliminary calibration of the RR Lyrae period-luminosity relation at mid-infrared wavelengths : Wise data. In: Astrophysical Journal. 2013 ; Vol. 776, No. 2.
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Madore, BF, Hoffman, D, Freedman, WL, Kollmeier, JA, Monson, A, Eric Persson, S, Rich, JA, Scowcroft, V & Seibert, M 2013, 'A preliminary calibration of the RR Lyrae period-luminosity relation at mid-infrared wavelengths: Wise data', Astrophysical Journal, vol. 776, no. 2, 135. https://doi.org/10.1088/0004-637X/776/2/135

A preliminary calibration of the RR Lyrae period-luminosity relation at mid-infrared wavelengths : Wise data. / Madore, Barry F.; Hoffman, Douglas; Freedman, Wendy L.; Kollmeier, Juna A.; Monson, Andrew; Eric Persson, S.; Rich, Jeff A.; Scowcroft, Victoria; Seibert, Mark.

In: Astrophysical Journal, Vol. 776, No. 2, 135, 20.10.2013.

Research output: Contribution to journalArticle

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AU - Madore, Barry F.

AU - Hoffman, Douglas

AU - Freedman, Wendy L.

AU - Kollmeier, Juna A.

AU - Monson, Andrew

AU - Eric Persson, S.

AU - Rich, Jeff A.

AU - Scowcroft, Victoria

AU - Seibert, Mark

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