Student or educator? Sign up with your school email and get 6 months of Pro free.
CoChat
Sign Up
Cited by 445

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Twenty‐Three High‐Redshift Supernovae from the Institute for Astronomy Deep Survey: Doubling the Supernova Sample at z> 0.7

Open access
Barris, Brian J., Tonry, John L., Blondin, Stephane, Challis, Peter, Chornock, Ryan, Clocchiatti, Alejandro, Filippenko, Alexei V., Garnavich, Peter, Holland, Stephen T., Jha, Saurabh, Kirshner, Robert P., Krisciunas, Kevin, Leibundgut, Bruno, Li, Weidong, Matheson, Thomas, Miknaitis, Gajus, Riess, Adam G., Schmidt, Brian P., Smith, R. Chris, Sollerman, Jesper, Spyromilio, Jason, Stubbs, Christopher W., Suntzeff, Nicholas B., Aussel, Herve, Chambers, K. C., Connelley, M. S., Donovan, D., Henry, J. Patrick, Kaiser, Nick, Liu, Michael C., Martin, Eduardo L., Wainscoat, Richard J.·2004·The Astrophysical Journal
DOI 10.1086/381122
Open this paper in CoChat — free account

Abstract

We present photometric and spectroscopic observations of 23 high-redshift supernovae (SNe) spanning a range of z = 0.34-1.03, nine of which are unambiguously classified as Type Ia. These SNe were discovered during the IfA Deep Survey, which began in 2001 September and observed a total of 2.5 deg 2 to a depth of approximately m ≈ 25-26 in RIZ over 9-17 visits, typically every 1-3 weeks for nearly 5 months, with additional observations continuing until 2002 April. We give a brief description of the survey motivations, observational strategy, and reduction process. This sample of 23 high-redshift SNe includes 15 at z ≥ 0.7, doubling the published number of objects at these redshifts, and indicates that the evidence for acceleration of the universe is not due to a systematic effect proportional to redshift. In combination with the recent compilation of Tonry et al. (2003), we calculate cosmological parameter density contours that are consistent with the flat universe indicated by the cosmic microwave background (Spergel et al. 2003). Adopting the constraint that Ω total = 1.0, we obtain best-fit values of (Ω m ,Ω Λ ) = (0.33, 0.67) using 22 SNe from this survey augmented by the literature compilation. We show that using the empty-beam model for gravitational lensing does not eliminate the need for Ω Λ > 0. Experience from this survey indicates great potential for similar large-scale surveys while also revealing the limitations of performing surveys for z > 1 SNe from the ground.

Overview

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1086/381122

Cites

6 of 6 references verified0 citation errors · 0 not checkable

Statistics

Verification

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Citations

Cites

Cited by

See all 445

Metadata

Authors
Barris, B. J., Tonry, J. L., Blondin, S., Challis, P., Chornock, R., Clocchiatti, A., Filippenko, A. V., Garnavich, P., Holland, S. T., Jha, S., Kirshner, R. P., Krisciunas, K., Leibundgut, B., Li, W., Matheson, T., Miknaitis, G., Riess, A. G., Schmidt, B. P., Smith, R. C., Sollerman, J., Spyromilio, J., Stubbs, C. W., Suntzeff, N. B., Aussel, H., Chambers, K. C., Connelley, M. S., Donovan, D., Henry, J. P., Kaiser, N., Liu, M. C., Martin, E. L., & Wainscoat, R. J.
Venue
The Astrophysical Journal
Publisher
American Astronomical Society
Published
2004-02-20
Volume
602
Issue
2
Pages
571-594
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
DOI
10.1086/381122
OpenAlex
W2043810482
Cited by
445
References
6
FWCI
42.93
Type
journal article
Language
en
Open access
bronze

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review

Data sources

Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.