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First-Year Spectroscopy for the Sloan Digital Sky Survey-II Supernova Survey

Zheng, C.; Romani, R.W.; Sako, M.; Marriner, J.; Bassett, B.; Becker, A.; Choi, C.; Cinabro, D.; DeJongh, F.; Depoy, D.L.; Dilday, B.; Doi, M.; Frieman, J.A.; Garnavich, P.M.; Hogan, C.J.; Holtzman, J.; Im, M.; Jha, S.; Kessler, R.; Konishi, K.; Lampeitl, H.; Marshall, J.L.; McGinnis, D.; Miknaitis, G.; Nichol, R.C.; Prieto, J.L.; Riess, A.G.; Richmond, M.W.; Schneider, D.P.; Smith, M.; Takanashi, N.; Tokita, K.; van der Heyden, K.; Yasuda, N.; Assef, R.J.; Barentine, J.; Bender, R.; Blandford, R.D.; Bremer, M.; Brewington, H.; Collins, C.A.; Crotts, A.; Dembicky, J.; Eastman, J.; Edge, A.; Elson, E.; Eyler, M.E.; Filippenko, A.V.; Foley, R.J.; Frank, S.; Goobar, A.; Harvanek, M.; Hopp, U.; Ihara, Y.; Kahn, S.; Ketzeback, W.; Kleinman, S.J.; Kollatschny, W.; Krzesiński, J.; Leloudas, G.; Long, D.C.; Lucey, J.; Malanushenko, E.; Malanushenko, V.; McMillan, R.J.; Morgan, C.W.; Morokuma, T.; Nitta, A.; Ostman, L.; Pan, K.; Romer, A.K.; Saurage, G.; Schlesinger, K.; Snedden, S.A.; Sollerma...

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C. Zheng

R.W. Romani

M. Sako

J. Marriner

B. Bassett

A. Becker

C. Choi

D. Cinabro

F. DeJongh

D.L. Depoy

B. Dilday

M. Doi

J.A. Frieman

P.M. Garnavich

C.J. Hogan

J. Holtzman

M. Im

S. Jha

R. Kessler

K. Konishi

H. Lampeitl

J.L. Marshall

D. McGinnis

G. Miknaitis

R.C. Nichol

J.L. Prieto

A.G. Riess

M.W. Richmond

D.P. Schneider

M. Smith

N. Takanashi

K. Tokita

K. van der Heyden

N. Yasuda

R.J. Assef

J. Barentine

R. Bender

R.D. Blandford

M. Bremer

H. Brewington

C.A. Collins

A. Crotts

J. Dembicky

J. Eastman

E. Elson

M.E. Eyler

A.V. Filippenko

R.J. Foley

S. Frank

A. Goobar

M. Harvanek

U. Hopp

Y. Ihara

S. Kahn

W. Ketzeback

S.J. Kleinman

W. Kollatschny

J. Krzesiński

G. Leloudas

D.C. Long

E. Malanushenko

V. Malanushenko

R.J. McMillan

C.W. Morgan

T. Morokuma

A. Nitta

L. Ostman

K. Pan

A.K. Romer

G. Saurage

K. Schlesinger

S.A. Snedden

J. Sollerman

M. Stritzinger

L.C. Watson

S. Watters

J.C. Wheeler

D. York


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, 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.


Zheng, C., Romani, R., Sako, M., Marriner, J., Bassett, B., Becker, A., …York, D. (2008). First-Year Spectroscopy for the Sloan Digital Sky Survey-II Supernova Survey. Astronomical Journal, 135(5), 1766-1784.

Journal Article Type Article
Publication Date May 1, 2008
Deposit Date Jan 30, 2012
Publicly Available Date Jan 3, 2014
Journal Astronomical Journal
Print ISSN 0004-6256
Electronic ISSN 1538-3881
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 135
Issue 5
Article Number
Pages 1766-1784
Keywords Cosmology, Observations, Methods, Data analysis, Supernovae, Surveys, Techniques, Spectroscopic.


Published Journal Article (1.8 Mb)

Copyright Statement
© 2008. The American Astronomical Society. All rights reserved. Printed in the U.S.A.

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