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Table 1

The calibrator sample of Cepheid-calibrated SN Ia, with tabulated absolute magnitudes MJ and uncertainties σM.

Supernova Host galaxy m J σ fit μ Ceph σ Ceph M J σ M MW AJ K J SN J-band
(mag) (mag) (mag) (mag) (mag) (mag) (mag) (mag) photometry reference
SN 2001el NGC 1448 12.837 0.022 31.311 0.045 −18.474 0.050 0.010 −0.011 Krisciunas et al. (2004)
SN 2002fk NGC 1309 13.749 0.010 32.523 0.055 −18.774 0.056 0.028 −0.020 Cartier et al. (2014)
SN 2003du UGC 9391 14.325 0.056 32.919 0.063 −18.594 0.084 0.007 −0.015 Stanishev et al. (2007)
SN 2005cf NGC 5917 13.791 0.025 32.263 0.102 −18.472 0.105 0.068 −0.019 Wang et al. (2009)
SN 2007af NGC 5584 13.446 0.003 31.786 0.046 −18.340 0.046 0.027 −0.017 Contreras et al. (2010); CSP
SN 2011by NGC 3972 13.218 0.040 31.587 0.070 −18.369 0.081 0.010 −0.011 Friedman et al. (2015); CfA
SN 2011fe M101 10.464 0.009 29.135 0.045 −18.671 0.046 0.006 −0.002 Matheson et al. (2012)
SN 2012cg NGC 4424 12.285 0.017 31.080 0.292 −18.795 0.292 0.014 −0.005 Marion et al. (2016); CfA
SN 2015F NGC 2442 13.081 0.024 31.511 0.053 −18.430 0.058 0.142 −0.015 Cartier et al. (2017)

Notes. The peak J magnitudes mJ are listed along with the uncertainty from the Gaussian process fit. The host galaxy Cepheid distances μCeph and uncertainties σCeph are from Riess et al. (2016). A correction for dust extinction from the Milky Way (MW AJ) has been applied. K-corrections have been applied to the photometry; a representative value at the time of J maximum for each supernova is tabulated as KJ.

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