Optical Light Curves of the Type I[CLC]a[/CLC] Supernovae SN 1990N and SN 1991T | Zendy

P. Lira | Zendy; N. B. Suntzeff | Zendy; M. M. Phillips | Zendy; M. Hamuy | Zendy; J. Maza | Zendy; R. A. Schommer | Zendy; R. C. Smith | Zendy; L. A. Wells | Zendy; R. Avilés | Zendy; J. A. Baldwin | Zendy; J. H. Elias | Zendy; L. González | Zendy; Andrew C. Layden | Zendy; Mauricio Navarrete | Zendy; P. Ugarte | Zendy; A. R. Walker | Zendy; G. M. Williger | Zendy; F. K. Baganoff | Zendy; Arlin Crotts | Zendy; R. Michael Rich | Zendy; Neil deGrasse Tyson | Zendy; Arjun Dey | Zendy; Puragra Guhathakurta | Zendy; J. E. Hibbard | Zendy; Y.-C. Kim | Zendy; D. Rehner | Zendy; E. D. Siciliano | Zendy; Joshua Roth | Zendy; Patrick Seitzer | Zendy; T. B. Williams | Zendy

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Optical Light Curves of the Type I[CLC]a[/CLC] Supernovae SN 1990N and SN 1991T

Author(s) -

P. Lira,

N. B. Suntzeff,

M. M. Phillips,

M. Hamuy,

J. Maza,

R. A. Schommer,

R. C. Smith,

L. A. Wells,

R. Avilés,

J. A. Baldwin,

J. H. Elias,

L. González,

Andrew C. Layden,

Mauricio Navarrete,

P. Ugarte,

A. R. Walker,

G. M. Williger,

F. K. Baganoff,

Arlin Crotts,

R. Michael Rich,

Neil deGrasse Tyson,

Arjun Dey,

Puragra Guhathakurta,

J. E. Hibbard,

Y.-C. Kim,

D. Rehner,

E. D. Siciliano,

Joshua Roth,

Patrick Seitzer,

T. B. Williams

Publication year - 1998

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/300175

Subject(s) - light curve , supernova , photometry (optics) , physics , cepheid variable , astrophysics , galaxy , cosmic distance ladder , astronomy , population , luminosity , stars , medicine , environmental health , redshift

We present UBVRI light curves for the bright Type Ia supernovae SN 1990N inNGC 4639 and SN 1991T in NGC 4527 based on photometry gathered in the course ofthe Calan/Tololo supernova program. Both objects have well-sampled light curvesstarting several days before maximum light and spanning well through theexponential tail. These data supercede the preliminary photometry published byLeibundgut et al (1991) and Phillips et al (1992). The host galaxies for thesesupernovae have (or will have) accurate distances based on the Cepheidperiod-luminosity relationship. The photometric data in this paper providetemplate curves for the study of general population of Type Ia supernova andaccurate photometric indices needed for the Cepheid-supernova distance scale.Comment: AAS LaTeX, 30 pages, 10 figures, to appear in the Jan 1998 Astronomical Journal. Figs 1 and 2 (finding charts) not include

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