Figure 3 from The Complete Light-curve Sample of Spectroscopically Confirmed SNe Ia from Pan-STARRS1 and Cosmological Constraints from the Combined Pantheon Sample

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The Complete Light-curve Sample of Spectroscopically Confirmed SNe Ia from Pan-STARRS1 and Cosmological Constraints from the Combined Pantheon Sample

Authors: D. M. Scolnic, D. O. Jones, A. Rest, Y. C. Pan, R. Chornock, R. J. Foley, M. E. Huber, R. Kessler, G. Narayan, A. G. Riess, S. Rodney, E. Berger, D. J. Brout, P. J. Challis, M. Drout, D. Finkbeiner, R. Lunnan, R. P. Kirshner, N. E. Sanders, E. Schlafly, S. Smartt, C. W. Stubbs, J. Tonry, W. M. Wood-Vasey, M. Foley, J. Hand, E. Johnson, W. S. Burgett, K. C. Chambers, P. W. Draper, K. W. Hodapp, N. Kaiser, R. P. Kudritzki, E. A. Magnier, N. Metcalfe, F. Bresolin, E. Gall, R. Kotak, M. McCrum, and K. W. Smith

2018 The Astrophysical Journal 859 101.

Provider: AAS Journals

Caption: Figure 3.

Top: plot of the variance of recovered pixel offsets in one dimension (y) vs. (FWHM/S/N)². A similar overestimation of the astrometric error by R14 is seen in the x direction as well. Bottom: necessary photometric bias correction vs. redshift of the SN due to the expected astrometric uncertainty of the central position of an SN from the combined series of images of that SN in one filter. A best-fit line is overlaid in yellow.

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