First-Year Spectroscopy For The Sloan Digital Sky Survey-II Supernova Survey
- Zheng, Chen
- Romani, Roger W.
- Sako, Masao
- Marriner, John
- Bassett, Bruce
- Becker, Andrew
- Choi, Changsu
- Cinabro, David
- DeJongh, Fritz
- Depoy, Darren L.
- Dilday, Ben
- Doi, Mamoru
- Frieman, Joshua A.
- Garnavich, Peter M.
- Hogan, Craig J.
- Holtzman, Jon
- Im, Myungshin
- Jha, Saurabh
- Kessler, Richard
- Konishi, Kohki
- Lampeitl, Hubert
- Marshall, Jennifer L.
- McGinnis, David
- Miknaitis, Gajus
- Nichol, Robert C.
- Prieto, Jose L.
- Riess, Adam G.
- Richmond, Michael W.
- Schneider, Donald P.
- Smith, Mathew
- Takanashi, Naohiro
- Tokita, Kouichi
- Van der Heyden, Kurt
- Yasuda, Naoki
- Assef, Roberto J.
- Barentine, John
- Bender, Ralf
- Blandford, Roger D.
- Bremer, Malcolm
- Brewington, Howard
- Collins, Chris A.
- Crotts, Arlin
- Dembicky, Jack
- Eastman, Jason
- Edge, Alastair
- Elson, Ed
- Eyler, Michael E.
- Filippenko, Alexi V.
- Foley, Ryan J.
- Frank, Stephan
- Goobar, Ariel
- Harvanek, Michael
- Hopp, Ulrich
- Ihara, Yutaka
- Kahn, Steven
- Ketzeback, William
- Kleinman, Scott J.
- Kollatschny, Wolfram
- Krzesinski, Jurek
- Leloudas, Giorgos
- Long, Daniel C.
- Lucey, John
- Malanushenko, Elena
- Malanushenko, Viktor
- McMillan, Russet J.
- Morgan, Christopher W.
- Morokuma, Tomoki
- Nitta, Atsuko
- Ostman, Linda
- Pan, Kaike
- Romer, A. Kathy
- Saurage, Gabrelle
- Schlesinger, Katie
- Snedden, Stephanie A.
- Sollerman, Jasper
- Stritzinger, Maximillian
- Watson, Linda C.
- Watters, Shannon
- Wheeler, J. Craig
- York, Donald
DOIAbstract
This paper presents spectroscopy of supernovae (SNe) discovered in the first season of the Sloan Digital Sky Survey-II SN Survey. This program searches for and measures multi-band light curves of SNe in the redshift range z = 0.05-0.4, complementing existing surveys at lower and higher redshifts. Our goal is to better characterize the SN population, with a particular focus on SNe Ia, improving their utility as cosmological distance indicators and as probes of dark energy. Our SN spectroscopy program features rapid-response observations using telescopes of a range of apertures, and provides confirmation of the SN and host-galaxy types as well as precise redshifts. We describe here the target identification and prioritization, data reduction,...
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