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Lensed Type Ia supernovae as probes of cluster mass models

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Lensed Type Ia supernovae as probes of cluster mass models. / Nordin, J.; Rubin, D.; Richard, J.; Rykoff, E.; Aldering, G.; Amanullah, R.; Atek, H.; Barbary, K.; Deustua, S.; Fakhouri, H. K.; Fruchter, A. S.; Goobar, A.; Hook, I.; Hsiao, E. Y.; Huang, X.; Kneib, J. -P.; Lidman, C.; Meyers, J.; Perlmutter, S.; Saunders, C.; Spadafora, A. L.; Suzuki, N.; Supernova Cosmology Project.

In: Monthly Notices of the Royal Astronomical Society, Vol. 440, No. 3, 21.05.2014, p. 2742-2754.

Research output: Contribution to journalJournal article

Harvard

Nordin, J, Rubin, D, Richard, J, Rykoff, E, Aldering, G, Amanullah, R, Atek, H, Barbary, K, Deustua, S, Fakhouri, HK, Fruchter, AS, Goobar, A, Hook, I, Hsiao, EY, Huang, X, Kneib, J-P, Lidman, C, Meyers, J, Perlmutter, S, Saunders, C, Spadafora, AL, Suzuki, N & Supernova Cosmology Project 2014, 'Lensed Type Ia supernovae as probes of cluster mass models', Monthly Notices of the Royal Astronomical Society, vol. 440, no. 3, pp. 2742-2754. https://doi.org/10.1093/mnras/stu376

APA

Nordin, J., Rubin, D., Richard, J., Rykoff, E., Aldering, G., Amanullah, R., Atek, H., Barbary, K., Deustua, S., Fakhouri, H. K., Fruchter, A. S., Goobar, A., Hook, I., Hsiao, E. Y., Huang, X., Kneib, J. -P., Lidman, C., Meyers, J., Perlmutter, S., ... Supernova Cosmology Project (2014). Lensed Type Ia supernovae as probes of cluster mass models. Monthly Notices of the Royal Astronomical Society, 440(3), 2742-2754. https://doi.org/10.1093/mnras/stu376

Vancouver

Nordin J, Rubin D, Richard J, Rykoff E, Aldering G, Amanullah R et al. Lensed Type Ia supernovae as probes of cluster mass models. Monthly Notices of the Royal Astronomical Society. 2014 May 21;440(3):2742-2754. https://doi.org/10.1093/mnras/stu376

Author

Nordin, J. ; Rubin, D. ; Richard, J. ; Rykoff, E. ; Aldering, G. ; Amanullah, R. ; Atek, H. ; Barbary, K. ; Deustua, S. ; Fakhouri, H. K. ; Fruchter, A. S. ; Goobar, A. ; Hook, I. ; Hsiao, E. Y. ; Huang, X. ; Kneib, J. -P. ; Lidman, C. ; Meyers, J. ; Perlmutter, S. ; Saunders, C. ; Spadafora, A. L. ; Suzuki, N. ; Supernova Cosmology Project. / Lensed Type Ia supernovae as probes of cluster mass models. In: Monthly Notices of the Royal Astronomical Society. 2014 ; Vol. 440, No. 3. pp. 2742-2754.

Bibtex

@article{9c5447af015240d2928aabc8602166f3,
title = "Lensed Type Ia supernovae as probes of cluster mass models",
abstract = "Using three magnified Type Ia supernovae (SNe Ia) detected behind CLASH (Cluster Lensing and Supernovae with Hubble) clusters, we perform a first pilot study to see whether standardizable candles can be used to calibrate cluster mass maps created from strong lensing observations. Such calibrations will be crucial when next-generation Hubble Space Telescope cluster surveys (e.g. Frontier) provide magnification maps that will, in turn, form the basis for the exploration of the high-redshift Universe. We classify SNe using combined photometric and spectroscopic observations, finding two of the three to be clearly of Type Ia and the third probable. The SNe exhibit significant amplification, up to a factor of 1.7 at similar to 5 Sigma significance (SN-L2). We conducted this as a blind study to avoid fine-tuning of parameters, finding a mean amplification difference between SNe and the cluster lensing models of 0.09 +/- 0.09(stat) +/- 0.05(sys) mag. This impressive agreement suggests no tension between cluster mass models and high-redshift-standardized SNe Ia. However, the measured statistical dispersion of Sigma(mu) = 0.21 mag appeared large compared to the dispersion expected based on statistical uncertainties (0.14). Further work with the SN and cluster lensing models, post-unblinding, reduced the measured dispersion to Sigma(mu) = 0.12. An explicit choice should thus be made as to whether SNe are used unblinded to improve the model, or blinded to test the model. As the lensed SN samples grow larger, this technique will allow improved constraints on assumptions regarding e.g. the structure of the dark matter halo.",
keywords = "gravitational lensing: strong, supernovae: general, galaxies: clusters: general, cosmology: observations, dark matter, HUBBLE-SPACE-TELESCOPE, GALAXY CLUSTERS, DISTANT SUPERNOVAE, SHEET DEGENERACY, DARK-ENERGY, REDSHIFT, CONSTRAINTS, RECONSTRUCTION, DISCOVERY, COSMOLOGY",
author = "J. Nordin and D. Rubin and J. Richard and E. Rykoff and G. Aldering and R. Amanullah and H. Atek and K. Barbary and S. Deustua and Fakhouri, {H. K.} and Fruchter, {A. S.} and A. Goobar and I. Hook and Hsiao, {E. Y.} and X. Huang and Kneib, {J. -P.} and C. Lidman and J. Meyers and S. Perlmutter and C. Saunders and Spadafora, {A. L.} and N. Suzuki and {Supernova Cosmology Project}",
year = "2014",
month = may
day = "21",
doi = "10.1093/mnras/stu376",
language = "English",
volume = "440",
pages = "2742--2754",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "OXFORD UNIV PRESS",
number = "3",

}

RIS

TY - JOUR

T1 - Lensed Type Ia supernovae as probes of cluster mass models

AU - Nordin, J.

AU - Rubin, D.

AU - Richard, J.

AU - Rykoff, E.

AU - Aldering, G.

AU - Amanullah, R.

AU - Atek, H.

AU - Barbary, K.

AU - Deustua, S.

AU - Fakhouri, H. K.

AU - Fruchter, A. S.

AU - Goobar, A.

AU - Hook, I.

AU - Hsiao, E. Y.

AU - Huang, X.

AU - Kneib, J. -P.

AU - Lidman, C.

AU - Meyers, J.

AU - Perlmutter, S.

AU - Saunders, C.

AU - Spadafora, A. L.

AU - Suzuki, N.

AU - Supernova Cosmology Project

PY - 2014/5/21

Y1 - 2014/5/21

N2 - Using three magnified Type Ia supernovae (SNe Ia) detected behind CLASH (Cluster Lensing and Supernovae with Hubble) clusters, we perform a first pilot study to see whether standardizable candles can be used to calibrate cluster mass maps created from strong lensing observations. Such calibrations will be crucial when next-generation Hubble Space Telescope cluster surveys (e.g. Frontier) provide magnification maps that will, in turn, form the basis for the exploration of the high-redshift Universe. We classify SNe using combined photometric and spectroscopic observations, finding two of the three to be clearly of Type Ia and the third probable. The SNe exhibit significant amplification, up to a factor of 1.7 at similar to 5 Sigma significance (SN-L2). We conducted this as a blind study to avoid fine-tuning of parameters, finding a mean amplification difference between SNe and the cluster lensing models of 0.09 +/- 0.09(stat) +/- 0.05(sys) mag. This impressive agreement suggests no tension between cluster mass models and high-redshift-standardized SNe Ia. However, the measured statistical dispersion of Sigma(mu) = 0.21 mag appeared large compared to the dispersion expected based on statistical uncertainties (0.14). Further work with the SN and cluster lensing models, post-unblinding, reduced the measured dispersion to Sigma(mu) = 0.12. An explicit choice should thus be made as to whether SNe are used unblinded to improve the model, or blinded to test the model. As the lensed SN samples grow larger, this technique will allow improved constraints on assumptions regarding e.g. the structure of the dark matter halo.

AB - Using three magnified Type Ia supernovae (SNe Ia) detected behind CLASH (Cluster Lensing and Supernovae with Hubble) clusters, we perform a first pilot study to see whether standardizable candles can be used to calibrate cluster mass maps created from strong lensing observations. Such calibrations will be crucial when next-generation Hubble Space Telescope cluster surveys (e.g. Frontier) provide magnification maps that will, in turn, form the basis for the exploration of the high-redshift Universe. We classify SNe using combined photometric and spectroscopic observations, finding two of the three to be clearly of Type Ia and the third probable. The SNe exhibit significant amplification, up to a factor of 1.7 at similar to 5 Sigma significance (SN-L2). We conducted this as a blind study to avoid fine-tuning of parameters, finding a mean amplification difference between SNe and the cluster lensing models of 0.09 +/- 0.09(stat) +/- 0.05(sys) mag. This impressive agreement suggests no tension between cluster mass models and high-redshift-standardized SNe Ia. However, the measured statistical dispersion of Sigma(mu) = 0.21 mag appeared large compared to the dispersion expected based on statistical uncertainties (0.14). Further work with the SN and cluster lensing models, post-unblinding, reduced the measured dispersion to Sigma(mu) = 0.12. An explicit choice should thus be made as to whether SNe are used unblinded to improve the model, or blinded to test the model. As the lensed SN samples grow larger, this technique will allow improved constraints on assumptions regarding e.g. the structure of the dark matter halo.

KW - gravitational lensing: strong

KW - supernovae: general

KW - galaxies: clusters: general

KW - cosmology: observations

KW - dark matter

KW - HUBBLE-SPACE-TELESCOPE

KW - GALAXY CLUSTERS

KW - DISTANT SUPERNOVAE

KW - SHEET DEGENERACY

KW - DARK-ENERGY

KW - REDSHIFT

KW - CONSTRAINTS

KW - RECONSTRUCTION

KW - DISCOVERY

KW - COSMOLOGY

U2 - 10.1093/mnras/stu376

DO - 10.1093/mnras/stu376

M3 - Journal article

VL - 440

SP - 2742

EP - 2754

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 3

ER -