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2006AJ....131..527J - Astron. J., 131, 527-554 (2006/January-0)

UBVRI light curves of 44 type Ia supernovae.

JHA S., KIRSHNER R.P., CHALLIS P., GARNAVICH P.M., MATHESON T., SODERBERG A.M., GRAVES G.J.M., HICKEN M., ALVES J.F., ARCE H.G., BALOG Z., BARMBY P., BARTON E.J., BERLIND P., BRAGG A.E., BRICENO C., BROWN W.R., BUCKLEY J.H., CALDWELL N., CALKINS M.L., CARTER B.J., CONCANNON K.D., DONNELLY R.H., ERIKSEN K.A., FABRICANT D.G., FALCO E.E., FIORE F., GARCIA M.R., GOMEZ M., GROGIN N.A., GRONER T., GROOT P.J., HAISCH K.E.Jr, HARTMANN L., HERGENROTHER C.W., HOLMAN M.J., HUCHRA J.P., JAYAWARDHANA R., JERIUS D., KANNAPPAN S.J., KIM D.-W., KLEYNA J.T., KOCHANEK C.S., KORANYI D.M., KROCKENBERGER M., LADA C.J., LUHMAN K.L., LUU J.X., MACRI L.M., MADER J.A., MAHDAVI A., MARENGO M., MARSDEN B.G., McLEOD B.A., McNAMARA B.R., MEGEATH S.T., MORARU D., MOSSMAN A.E., MUENCH A.A., MUNOZ J.A., MUZEROLLE J., NARANJO O., NELSON-PATEL K., PAHRE M.A., PATTEN B.M., PETERS J., PETERS W., RAYMOND J.C., RINES K., SCHILD R.E., SOBCZAK G.J., SPAHR T.B., STAUFFER J.R., STEFANIK R.P., SZENTGYORGYI A.H., TOLLESTRUP E.V., VAISANEN P., VIKHLININ A., WANG Z., WILLNER S.P., WOLK S.J., ZAJAC J.M., ZHAO P. and STANEK K.Z.

Abstract (from CDS):

We present UBVRI photometry of 44 Type Ia supernovae (SNe Ia) observed from 1997 to 2001 as part of a continuing monitoring campaign at the Fred Lawrence Whipple Observatory of the Harvard-Smithsonian Center for Astrophysics. The data set comprises 2190 observations and is the largest homogeneously observed and reduced sample of SNe Ia to date, nearly doubling the number of well-observed, nearby SNe Ia with published multicolor CCD light curves. The large sample of U-band photometry is a unique addition, with important connections to SNe Ia observed at high redshift. The decline rate of SN Ia U-band light curves correlates well with the decline rate in other bands, as does the U-B color at maximum light. However, the U-band peak magnitudes show an increased dispersion relative to other bands even after accounting for extinction and decline rate, amounting to an additional ∼40% intrinsic scatter compared to the B band.

Abstract Copyright:

Journal keyword(s): Stars: Supernovae: General - Techniques: Photometric

VizieR on-line data: <Available at CDS (J/AJ/131/527): sn.dat table2.dat table4.dat table5.dat>

Nomenclature: Table 2: [JKC2006] SN YYYYAA NN N=425.

CDS comments: Table 1 : Anonymous host galaxy of SN 1997DG is [QQH97b] J234014.21+261211.8 in SIMBAD

Simbad objects: 88

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