The farthest known supernova: Support for an accelerating universe and a glimpse of the epoch of deceleration

Adam G. Riess, Peter E. Nugent, Ronald L. Gilliland, Brian P. Schmidt, John Tonry, Mark Dickinson, Rodger I Thompson, Tamás Budavári, Stefano Casertano, Aaron S. Evans, Alexei V. Filippenko, Mario Livio, David B. Sanders, Alice E. Shapley, Hyron Spinrad, Charles C. Steidel, Daniel Stern, Jason Surace, Sylvain Veilleux

Research output: Contribution to journalArticle

592 Citations (Scopus)

Abstract

We present photometric observations of an apparent Type Ia supernova (SN Ia) at a redshift of ∼1.7, the farthest SN observed to date. The supernova, SN 1997ff, was discovered in a repeat observation by the Hubble Space Telescope (HST) of the Hubble Deep Field-North (HDF-N) and serendipitously monitored with NICMOS on HST throughout the Thompson et al. Guaranteed-Time Observer (GTO) campaign. The SN type can be determined from the host galaxy type: an evolved, red elliptical lacking enough recent star formation to provide a significant population of core-collapse supernovae. The classification is further supported by diagnostics available from the observed colors and temporal behavior of the SN, both of which match a typical SN Ia. The photometric record of the SN includes a dozen flux measurements in the I, J, and H bands spanning 35 days in the observed frame. The redshift derived from the SN photometry, z = 1.7 ± 0.1, is in excellent agreement with the redshift estimate of z = 1.65 ± 0.15 derived from the U300 B450 V606 I814 J110 J125 H160 H165 Ks photometry of the galaxy. Optical and near-infrared spectra of the host provide a very tentative spectroscopic redshift of 1.755. Fits to observations of the SN provide constraints for the redshift-distance relation of SNe Ia and a powerful test of the current accelerating universe hypothesis. The apparent SN brightness is consistent with that expected in the decelerating phase of the preferred cosmological model, ΩM ≈ 1/3, ΩΛ ≈ 2/3. It is inconsistent with gray dust or simple luminosity evolution, candidate astrophysical effects that could mimic previous evidence for an accelerating universe from SNe Ia at z ≈ 0.5. We consider several sources of potential systematic error, including gravitational lensing, supernova misclassification, sample selection bias, and luminosity calibration errors. Currently, none of these effects alone appears likely to challenge our conclusions. Additional SNe Ia at z > 1 will be required to test more exotic alternatives to the accelerating universe hypothesis and to probe the nature of dark energy.

Original languageEnglish (US)
Pages (from-to)49-71
Number of pages23
JournalAstrophysical Journal
Volume560
Issue number1 PART 1
DOIs
StatePublished - Oct 10 2001

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deceleration
supernovae
universe
time measurement
flux measurement
Hubble Space Telescope
photometry
near infrared
luminosity
probe
galaxies
dust
calibration
dark energy
systematic errors
energy
star formation
astrophysics
brightness
infrared spectra

Keywords

  • Cosmology: observations
  • Supernovae: general on-line material: color figure

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Riess, A. G., Nugent, P. E., Gilliland, R. L., Schmidt, B. P., Tonry, J., Dickinson, M., ... Veilleux, S. (2001). The farthest known supernova: Support for an accelerating universe and a glimpse of the epoch of deceleration. Astrophysical Journal, 560(1 PART 1), 49-71. https://doi.org/10.1086/322348

The farthest known supernova : Support for an accelerating universe and a glimpse of the epoch of deceleration. / Riess, Adam G.; Nugent, Peter E.; Gilliland, Ronald L.; Schmidt, Brian P.; Tonry, John; Dickinson, Mark; Thompson, Rodger I; Budavári, Tamás; Casertano, Stefano; Evans, Aaron S.; Filippenko, Alexei V.; Livio, Mario; Sanders, David B.; Shapley, Alice E.; Spinrad, Hyron; Steidel, Charles C.; Stern, Daniel; Surace, Jason; Veilleux, Sylvain.

In: Astrophysical Journal, Vol. 560, No. 1 PART 1, 10.10.2001, p. 49-71.

Research output: Contribution to journalArticle

Riess, AG, Nugent, PE, Gilliland, RL, Schmidt, BP, Tonry, J, Dickinson, M, Thompson, RI, Budavári, T, Casertano, S, Evans, AS, Filippenko, AV, Livio, M, Sanders, DB, Shapley, AE, Spinrad, H, Steidel, CC, Stern, D, Surace, J & Veilleux, S 2001, 'The farthest known supernova: Support for an accelerating universe and a glimpse of the epoch of deceleration', Astrophysical Journal, vol. 560, no. 1 PART 1, pp. 49-71. https://doi.org/10.1086/322348
Riess AG, Nugent PE, Gilliland RL, Schmidt BP, Tonry J, Dickinson M et al. The farthest known supernova: Support for an accelerating universe and a glimpse of the epoch of deceleration. Astrophysical Journal. 2001 Oct 10;560(1 PART 1):49-71. https://doi.org/10.1086/322348
Riess, Adam G. ; Nugent, Peter E. ; Gilliland, Ronald L. ; Schmidt, Brian P. ; Tonry, John ; Dickinson, Mark ; Thompson, Rodger I ; Budavári, Tamás ; Casertano, Stefano ; Evans, Aaron S. ; Filippenko, Alexei V. ; Livio, Mario ; Sanders, David B. ; Shapley, Alice E. ; Spinrad, Hyron ; Steidel, Charles C. ; Stern, Daniel ; Surace, Jason ; Veilleux, Sylvain. / The farthest known supernova : Support for an accelerating universe and a glimpse of the epoch of deceleration. In: Astrophysical Journal. 2001 ; Vol. 560, No. 1 PART 1. pp. 49-71.
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abstract = "We present photometric observations of an apparent Type Ia supernova (SN Ia) at a redshift of ∼1.7, the farthest SN observed to date. The supernova, SN 1997ff, was discovered in a repeat observation by the Hubble Space Telescope (HST) of the Hubble Deep Field-North (HDF-N) and serendipitously monitored with NICMOS on HST throughout the Thompson et al. Guaranteed-Time Observer (GTO) campaign. The SN type can be determined from the host galaxy type: an evolved, red elliptical lacking enough recent star formation to provide a significant population of core-collapse supernovae. The classification is further supported by diagnostics available from the observed colors and temporal behavior of the SN, both of which match a typical SN Ia. The photometric record of the SN includes a dozen flux measurements in the I, J, and H bands spanning 35 days in the observed frame. The redshift derived from the SN photometry, z = 1.7 ± 0.1, is in excellent agreement with the redshift estimate of z = 1.65 ± 0.15 derived from the U300 B450 V606 I814 J110 J125 H160 H165 Ks photometry of the galaxy. Optical and near-infrared spectra of the host provide a very tentative spectroscopic redshift of 1.755. Fits to observations of the SN provide constraints for the redshift-distance relation of SNe Ia and a powerful test of the current accelerating universe hypothesis. The apparent SN brightness is consistent with that expected in the decelerating phase of the preferred cosmological model, ΩM ≈ 1/3, ΩΛ ≈ 2/3. It is inconsistent with gray dust or simple luminosity evolution, candidate astrophysical effects that could mimic previous evidence for an accelerating universe from SNe Ia at z ≈ 0.5. We consider several sources of potential systematic error, including gravitational lensing, supernova misclassification, sample selection bias, and luminosity calibration errors. Currently, none of these effects alone appears likely to challenge our conclusions. Additional SNe Ia at z > 1 will be required to test more exotic alternatives to the accelerating universe hypothesis and to probe the nature of dark energy.",
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AU - Schmidt, Brian P.

AU - Tonry, John

AU - Dickinson, Mark

AU - Thompson, Rodger I

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AU - Filippenko, Alexei V.

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AU - Sanders, David B.

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N2 - We present photometric observations of an apparent Type Ia supernova (SN Ia) at a redshift of ∼1.7, the farthest SN observed to date. The supernova, SN 1997ff, was discovered in a repeat observation by the Hubble Space Telescope (HST) of the Hubble Deep Field-North (HDF-N) and serendipitously monitored with NICMOS on HST throughout the Thompson et al. Guaranteed-Time Observer (GTO) campaign. The SN type can be determined from the host galaxy type: an evolved, red elliptical lacking enough recent star formation to provide a significant population of core-collapse supernovae. The classification is further supported by diagnostics available from the observed colors and temporal behavior of the SN, both of which match a typical SN Ia. The photometric record of the SN includes a dozen flux measurements in the I, J, and H bands spanning 35 days in the observed frame. The redshift derived from the SN photometry, z = 1.7 ± 0.1, is in excellent agreement with the redshift estimate of z = 1.65 ± 0.15 derived from the U300 B450 V606 I814 J110 J125 H160 H165 Ks photometry of the galaxy. Optical and near-infrared spectra of the host provide a very tentative spectroscopic redshift of 1.755. Fits to observations of the SN provide constraints for the redshift-distance relation of SNe Ia and a powerful test of the current accelerating universe hypothesis. The apparent SN brightness is consistent with that expected in the decelerating phase of the preferred cosmological model, ΩM ≈ 1/3, ΩΛ ≈ 2/3. It is inconsistent with gray dust or simple luminosity evolution, candidate astrophysical effects that could mimic previous evidence for an accelerating universe from SNe Ia at z ≈ 0.5. We consider several sources of potential systematic error, including gravitational lensing, supernova misclassification, sample selection bias, and luminosity calibration errors. Currently, none of these effects alone appears likely to challenge our conclusions. Additional SNe Ia at z > 1 will be required to test more exotic alternatives to the accelerating universe hypothesis and to probe the nature of dark energy.

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