The Fall 2004 SDSS Supernova Survey
Masao Sako, Roger Romani, Josh Frieman, Jen Adelman-McCarthy, Andrew, Becker, Fritz DeJongh, Ben Dilday, Juan Estrada, John Hendry, Jon Holtzman,, Jared Kaplan, Rick Kessler, Hubert Lampeitl, John Marriner, Gajus Miknaitis,, Adam Riess, Douglas Tucker, J. Barentine, R. Blandford

TL;DR
The paper reports on the early results of the 2004 SDSS Supernova Survey, which detected and spectroscopically confirmed 22 supernovae, including 16 type Ia, to improve understanding of supernovae for cosmology.
Contribution
This study presents the first results from the SDSS II supernova survey, including the detection and confirmation of supernovae in the redshift desert, aiding future cosmological research.
Findings
22 spectroscopically confirmed supernovae, including 16 type Ia
Coverage of the redshift interval z=0.05-0.35 for supernovae
Identification of unusual supernovae for further study
Abstract
In preparation for the Supernova Survey of the Sloan Digital Sky Survey (SDSS) II, a proposed 3-year extension to the SDSS, we have conducted an early engineering and science run during the fall of 2004, which consisted of approximately 20 scheduled nights of repeated imaging of half of the southern equatorial stripe. Transient supernova-like events were detected in near real-time and photometric measurements were made in the five SDSS filter bandpasses with a cadence of ~2 days. Candidate type Ia supernovae (SNe) were pre-selected based on their colors, light curve shape, and the properties of the host galaxy. Follow-up spectroscopic observations were performed with the Astrophysical Research Consortium 3.5m telescope and the 9.2m Hobby-Eberly Telescope to confirm their types and measure the redshifts. The 2004 campaign resulted in 22 spectroscopically confirmed SNe, which includes 16…
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Taxonomy
TopicsGamma-ray bursts and supernovae · Astrophysics and Cosmic Phenomena · Astronomy and Astrophysical Research
