First-Year Spectroscopy for the SDSS-II Supernova Survey

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dc.creatorZheng, Chen
dc.creatorRomani, Roger W.
dc.creatorSako, Masao
dc.creatorMarriner, John
dc.creatorBassett, Bruce
dc.creatorBecker, Andrew
dc.creatorChoi, Changsu
dc.creatorCinabro, David
dc.creatorDeJongh, Fritz
dc.creatorDepoy, Darren L.
dc.creatorDilday, Ben
dc.creatorDoi, Mamoru
dc.creatorFrieman, Joshua A.
dc.creatorGarnavich, Peter M.
dc.creatorHogan, Craig J.
dc.creatorHoltzman, Jon
dc.creatorIm, Myungshin
dc.creatorJha, Saurabh
dc.creatorKessler, Richard
dc.creatorKonishi, Kohki
dc.creatorLampeitl, Hubert
dc.creatorMarshall, Jennifer L.
dc.creatorMcGinnis, David
dc.creatorMiknaitis, Gajus
dc.creatorNichol, Robert C.
dc.creatorPrieto, Jose Luis
dc.creatorRiess, Adam G.
dc.creatorRichmond, Michael W.
dc.creatorSchneider, Donald P.
dc.creatorSmith, Mathew
dc.creatorTakanashi, Naohiro
dc.creatorTokita, Kouichi
dc.creatorvan der Heyden, Kurt
dc.creatorYasuda, Naoki
dc.creatorAssef, Roberto J.
dc.creatorBarentine, John
dc.creatorBender, Ralf
dc.creatorBlandford, Roger D.
dc.creatorBremer, Malcolm
dc.creatorBrewington, Howard
dc.creatorCollins, Chris A.
dc.creatorCrotts, Arlin
dc.creatorDembicky, Jack
dc.creatorEastman, Jason
dc.creatorEdge, Alastair
dc.creatorElson, Ed
dc.creatorEyler, Michael E.
dc.creatorFilippenko, Alexei V.
dc.creatorFoley, Ryan J.
dc.creatorFrank, Stephan
dc.creatorGoobar, Ariel
dc.creatorHarvanek, Michael
dc.creatorHopp, Ulrich
dc.creatorIhara, Yutaka
dc.creatorKahn, Steven
dc.creatorKetzeback, William
dc.creatorKleinman, Scott J.
dc.creatorKollatschny, Wolfram
dc.creatorKrzesiński, Jurek
dc.creatorLeloudas, Giorgos
dc.creatorLong, Daniel C.
dc.creatorLucey, John
dc.creatorMalanushenko, Elena
dc.creatorMalanushenko, Viktor
dc.creatorMcMillan, Russet J.
dc.creatorMorgan, Christopher W.
dc.creatorMorokuma, Tomoki
dc.creatorNitta, Atsuko
dc.creatorOstman, Linda
dc.creatorPan, Kaike
dc.creatorRomer, A. Kathy
dc.creatorSaurage, Gabrelle
dc.creatorSchlesinger, Katie
dc.creatorSnedden, Stephanie A.
dc.creatorSollerman, Jesper
dc.creatorStritzinger, Maximilian
dc.creatorWatson, Linda C.
dc.creatorWatters, Shannon
dc.creatorWheeler, J. Craig
dc.creatorYork, Donald
dc.date2008-02-21
dc.date.accessioned2026-07-07T11:56:15Z
dc.date.available2026-07-07T11:56:15Z
dc.descriptionThis paper presents spectroscopy of supernovae discovered in the first season of the Sloan Digital Sky Survey-II Supernova Survey. This program searches for and measures multi-band light curves of supernovae in the redshift range z = 0.05 - 0.4, complementing existing surveys at lower and higher redshifts. Our goal is to better characterize the supernova population, with a particular focus on SNe Ia, improving their utility as cosmological distance indicators and as probes of dark energy. Our supernova spectroscopy program features rapid-response observations using telescopes of a range of apertures, and provides confirmation of the supernova and host-galaxy types as well as precise redshifts. We describe here the target identification and prioritization, data reduction, redshift measurement, and classification of 129 SNe Ia, 16 spectroscopically probable SNe Ia, 7 SNe Ib/c, and 11 SNe II from the first season. We also describe our efforts to measure and remove the substantial host galaxy contamination existing in the majority of our SN spectra.
dc.descriptionAccepted for publication in The Astronomical Journal(47pages, 9 figures)
dc.identifierhttps://arxiv.org/abs/0802.3220
dc.identifierhttp://arxiv.org/abs/0802.3220
dc.identifierAstron.J.135:1766-1784,2008
dc.identifierdoi:10.1088/0004-6256/135/5/1766
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/205518
dc.subjectAstrophysics
dc.titleFirst-Year Spectroscopy for the SDSS-II Supernova Survey
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