A Type Ia supernova at redshift 1.55 in Hubble Space Telescope infrared observations from CANDELS

Steven A. Rodney; Dahlen Tomas Dahlen; Adam G. Riess; Tomas Dahlen; Louis Gregory Strolger; Henry C. Ferguson; Jens Hjorth; Teddy F. Frederiksen; Benjamin J. Weiner; Bahram Mobasher; Stefano Casertano; David O. Jones; Peter Challis; S. M. Faber; Alexei V. Filippenko; Peter Garnavich; Or Graur; Norman A. Grogin; Brian Hayden; Saurabh W. Jha; Robert P. Kirshner; Dale Kocevski; Anton Koekemoer; Curtis McCully; Brandon Patel; Abhijith Rajan; Claudia Scarlata

doi:10.1088/0004-637X/746/1/5

A Type Ia supernova at redshift 1.55 in Hubble Space Telescope infrared observations from CANDELS

Steven A. Rodney, Dahlen Tomas Dahlen, Adam G. Riess, Tomas Dahlen, Louis Gregory Strolger, Henry C. Ferguson, Jens Hjorth, Teddy F. Frederiksen, Benjamin J. Weiner, Bahram Mobasher, Stefano Casertano, David O. Jones, Peter Challis, S. M. Faber, Alexei V. Filippenko, Peter Garnavich, Or Graur, Norman A. Grogin, Brian Hayden, Saurabh W. JhaRobert P. Kirshner, Dale Kocevski, Anton Koekemoer, Curtis McCully, Brandon Patel, Abhijith Rajan, Claudia Scarlata

Minnesota Institute for Astrophysics

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Abstract

We report the discovery of a Type Ia supernova (SNIa) at redshift z = 1.55 with the infrared detector of the Wide Field Camera 3 (WFC3-IR) on the Hubble Space Telescope (HST). This object was discovered in CANDELS imaging data of the Hubble Ultra Deep Field and followed as part of the CANDELS+CLASH Supernova project, comprising the SN search components from those two HST multi-cycle treasury programs. This is the highest redshift SNIa with direct spectroscopic evidence for classification. It is also the first SNIa at z > 1 found and followed in the infrared, providing a full light curve in rest-frame optical bands. The classification and redshift are securely defined from a combination of multi-band and multi-epoch photometry of the SN, ground-based spectroscopy of the host galaxy, and WFC3-IR grism spectroscopy of both the SN and host. This object is the first of a projected sample at z > 1.5 that will be discovered by the CANDELS and CLASH programs. The full CANDELS+CLASH SN Ia sample will enable unique tests for evolutionary effects that could arise due to differences in SNIa progenitor systems as a function of redshift. This high-z sample will also allow measurement of the SNIa rate out to z 2, providing a complementary constraint on SNIa progenitor models.

Original language	English (US)
Article number	5
Journal	Astrophysical Journal
Volume	746
Issue number	1
DOIs	https://doi.org/10.1088/0004-637X/746/1/5
State	Published - Feb 10 2012

Keywords

supernovae: general

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10.1088/0004-637X/746/1/5

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Rodney, S. A., Tomas Dahlen, D., Riess, A. G., Dahlen, T., Strolger, L. G., Ferguson, H. C., Hjorth, J., Frederiksen, T. F., Weiner, B. J., Mobasher, B., Casertano, S., Jones, D. O., Challis, P., Faber, S. M., Filippenko, A. V., Garnavich, P., Graur, O., Grogin, N. A., Hayden, B., ... Scarlata, C. (2012). A Type Ia supernova at redshift 1.55 in Hubble Space Telescope infrared observations from CANDELS. Astrophysical Journal, 746(1), Article 5. https://doi.org/10.1088/0004-637X/746/1/5

Rodney, SA, Tomas Dahlen, D, Riess, AG, Dahlen, T, Strolger, LG, Ferguson, HC, Hjorth, J, Frederiksen, TF, Weiner, BJ, Mobasher, B, Casertano, S, Jones, DO, Challis, P, Faber, SM, Filippenko, AV, Garnavich, P, Graur, O, Grogin, NA, Hayden, B, Jha, SW, Kirshner, RP, Kocevski, D, Koekemoer, A, McCully, C, Patel, B, Rajan, A & Scarlata, C 2012, 'A Type Ia supernova at redshift 1.55 in Hubble Space Telescope infrared observations from CANDELS', Astrophysical Journal, vol. 746, no. 1, 5. https://doi.org/10.1088/0004-637X/746/1/5

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title = "A Type Ia supernova at redshift 1.55 in Hubble Space Telescope infrared observations from CANDELS",

abstract = "We report the discovery of a Type Ia supernova (SNIa) at redshift z = 1.55 with the infrared detector of the Wide Field Camera 3 (WFC3-IR) on the Hubble Space Telescope (HST). This object was discovered in CANDELS imaging data of the Hubble Ultra Deep Field and followed as part of the CANDELS+CLASH Supernova project, comprising the SN search components from those two HST multi-cycle treasury programs. This is the highest redshift SNIa with direct spectroscopic evidence for classification. It is also the first SNIa at z > 1 found and followed in the infrared, providing a full light curve in rest-frame optical bands. The classification and redshift are securely defined from a combination of multi-band and multi-epoch photometry of the SN, ground-based spectroscopy of the host galaxy, and WFC3-IR grism spectroscopy of both the SN and host. This object is the first of a projected sample at z > 1.5 that will be discovered by the CANDELS and CLASH programs. The full CANDELS+CLASH SN Ia sample will enable unique tests for evolutionary effects that could arise due to differences in SNIa progenitor systems as a function of redshift. This high-z sample will also allow measurement of the SNIa rate out to z 2, providing a complementary constraint on SNIa progenitor models.",

keywords = "supernovae: general",

author = "Rodney, {Steven A.} and {Tomas Dahlen}, Dahlen and Riess, {Adam G.} and Tomas Dahlen and Strolger, {Louis Gregory} and Ferguson, {Henry C.} and Jens Hjorth and Frederiksen, {Teddy F.} and Weiner, {Benjamin J.} and Bahram Mobasher and Stefano Casertano and Jones, {David O.} and Peter Challis and Faber, {S. M.} and Filippenko, {Alexei V.} and Peter Garnavich and Or Graur and Grogin, {Norman A.} and Brian Hayden and Jha, {Saurabh W.} and Kirshner, {Robert P.} and Dale Kocevski and Anton Koekemoer and Curtis McCully and Brandon Patel and Abhijith Rajan and Claudia Scarlata",

year = "2012",

month = feb,

day = "10",

doi = "10.1088/0004-637X/746/1/5",

language = "English (US)",

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T1 - A Type Ia supernova at redshift 1.55 in Hubble Space Telescope infrared observations from CANDELS

AU - Rodney, Steven A.

AU - Tomas Dahlen, Dahlen

AU - Riess, Adam G.

AU - Dahlen, Tomas

AU - Strolger, Louis Gregory

AU - Ferguson, Henry C.

AU - Hjorth, Jens

AU - Frederiksen, Teddy F.

AU - Weiner, Benjamin J.

AU - Mobasher, Bahram

AU - Casertano, Stefano

AU - Jones, David O.

AU - Challis, Peter

AU - Faber, S. M.

AU - Filippenko, Alexei V.

AU - Garnavich, Peter

AU - Graur, Or

AU - Grogin, Norman A.

AU - Hayden, Brian

AU - Jha, Saurabh W.

AU - Kirshner, Robert P.

AU - Kocevski, Dale

AU - Koekemoer, Anton

AU - McCully, Curtis

AU - Patel, Brandon

AU - Rajan, Abhijith

AU - Scarlata, Claudia

PY - 2012/2/10

Y1 - 2012/2/10

N2 - We report the discovery of a Type Ia supernova (SNIa) at redshift z = 1.55 with the infrared detector of the Wide Field Camera 3 (WFC3-IR) on the Hubble Space Telescope (HST). This object was discovered in CANDELS imaging data of the Hubble Ultra Deep Field and followed as part of the CANDELS+CLASH Supernova project, comprising the SN search components from those two HST multi-cycle treasury programs. This is the highest redshift SNIa with direct spectroscopic evidence for classification. It is also the first SNIa at z > 1 found and followed in the infrared, providing a full light curve in rest-frame optical bands. The classification and redshift are securely defined from a combination of multi-band and multi-epoch photometry of the SN, ground-based spectroscopy of the host galaxy, and WFC3-IR grism spectroscopy of both the SN and host. This object is the first of a projected sample at z > 1.5 that will be discovered by the CANDELS and CLASH programs. The full CANDELS+CLASH SN Ia sample will enable unique tests for evolutionary effects that could arise due to differences in SNIa progenitor systems as a function of redshift. This high-z sample will also allow measurement of the SNIa rate out to z 2, providing a complementary constraint on SNIa progenitor models.

AB - We report the discovery of a Type Ia supernova (SNIa) at redshift z = 1.55 with the infrared detector of the Wide Field Camera 3 (WFC3-IR) on the Hubble Space Telescope (HST). This object was discovered in CANDELS imaging data of the Hubble Ultra Deep Field and followed as part of the CANDELS+CLASH Supernova project, comprising the SN search components from those two HST multi-cycle treasury programs. This is the highest redshift SNIa with direct spectroscopic evidence for classification. It is also the first SNIa at z > 1 found and followed in the infrared, providing a full light curve in rest-frame optical bands. The classification and redshift are securely defined from a combination of multi-band and multi-epoch photometry of the SN, ground-based spectroscopy of the host galaxy, and WFC3-IR grism spectroscopy of both the SN and host. This object is the first of a projected sample at z > 1.5 that will be discovered by the CANDELS and CLASH programs. The full CANDELS+CLASH SN Ia sample will enable unique tests for evolutionary effects that could arise due to differences in SNIa progenitor systems as a function of redshift. This high-z sample will also allow measurement of the SNIa rate out to z 2, providing a complementary constraint on SNIa progenitor models.

KW - supernovae: general

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VL - 746

JO - Astrophysical Journal

JF - Astrophysical Journal

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ER -

A Type Ia supernova at redshift 1.55 in Hubble Space Telescope infrared observations from CANDELS

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