J/ApJ/716/712 HST light curves of six SNe and Union2 (Amanullah+, 2010)
Spectra and Hubble Space Telescope light curves of six type Ia supernovae at 0.511 < z < 1.12 and the Union2 compilation. Amanullah R., Lidman C., Rubin D., Aldering G., Astier P., Barbary K., Burns M.S., Conley A., Dawson K.S., Deustua S.E., Doi M., Fabbro S., Faccioli L., Fakhouri H.K., Folatelli G., Fruchter A.S., Furusawa H., Garavini G., Goldhaber G., Goobar A., Groom D.E., Hook I., Howell D.A., Kashikawa N., Kim A.G., Knop R.A., Kowalski M., Linder E., Meyers J., Morokuma T., Nobili S., Nordin J., Nugent P.E., Ostman L., Pain R., Panagia N., Perlmutter S., Raux J., Ruiz-Lapuente P., Spadafora A.L., Strovink M., Suzuki N., Wang L., Wood-Vasey W.M., Yasuda N., Project T.S.C. <Astrophys. J., 716, 712-738 (2010)> =2010ApJ...716..712A
ADC_Keywords: Supernovae ; Photometry, HST ; Photometry, RI ; Photometry, infrared ; Redshifts Keywords: cosmological parameters - cosmology: observations - supernovae: general Abstract: We report on work to increase the number of well-measured Type Ia supernovae (SNe Ia) at high redshifts. Light curves, including high signal-to-noise Hubble Space Telescope data, and spectra of six SNe Ia that were discovered during 2001, are presented. Additionally, for the two SNe with z>1, we present ground-based J-band photometry from Gemini and the Very Large Telescope. These are among the most distant SNe Ia for which ground-based near-IR observations have been obtained. We add these six SNe Ia together with other data sets that have recently become available in the literature to the Union compilation. We have made a number of refinements to the Union analysis chain, the most important ones being the refitting of all light curves with the SALT2 fitter and an improved handling of systematic errors. We call this new compilation, consisting of 557 SNe, the Union2 compilation. Description: During spring 2001, nine instruments were used for the photometric follow-up : CFHT/CFH12k, CTIO/MOSAIC II, VLT/FORS1, VLT/ISAAC (Js filter), NTT/SuSI2, Gemini/NIRI (J filter), HST/ACS, HST/WFPC2, Subaru/SuprimeCam. All observations are listed in Table 12 (B1 in the paper). File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file tableb1.dat 72 68 Follow-up photometry of the six SNe presented in this paper tableb2.dat 67 719 All SNe included in this compilation
See also: B/sn : Asiago Supernova Catalogue (Barbon et al., 1999-) J/ApJ/713/1026 : SN Ia rate at redshift ≲0.3 from SDSS-II (Dilday+, 2010) J/ApJS/185/32 : First-year SDSS-II SN results (Kessler+, 2009) J/ApJ/700/1097 : Light curve parameters of SN Ia (Hicken+, 2009) J/ApJ/700/331 : Light curves of type Ia supernovae (CfA3) (Hicken+, 2009) J/AJ/137/3731 : ESSENCE high-redshift supernova (Foley+, 2009) J/ApJ/686/749 : Improved cosmological constraints from SNe (Kowalski+, 2008) J/AJ/136/2306 : SDSS-II Supernova survey, 2005 (Holtzman+, 2008) J/ApJ/666/674 : ESSENCE supernova survey (Miknaitis+, 2007) J/AJ/131/527 : UBVRI light curves of 44 type Ia supernovae (Jha+, 2006) J/A+A/437/789 : Restframe I-band light curves of SN Ia (Nobili+, 2005) J/AJ/130/2453 : 9 high-redshift ESSENCE supernovae (Krisciunas+, 2005) J/ApJ/602/571 : High-redshift supernovae IRZ fluxes (Barris+, 2004) J/ApJ/594/1 : High-z supernovae VRI mag and distances (Tonry+, 2003) http://supernova.lbl.gov/Union/ : Supernova Cosmology Project home page Byte-by-byte Description of file: tableb1.dat
Bytes Format Units Label Explanations
1- 6 A6 --- SN SN name 8- 15 F8.2 d MJD Weighted modified Julian Date (1) 17- 26 A10 --- Inst Instrument 28- 32 I5 s Exp Exposure time 34- 39 A6 --- Filt Filter (F675W, F814W, F850LP, I, J, Js, R or i) 41- 48 E8.1 --- Flux Measured flux in arbitrary units 50- 56 E7.1 --- e_Flux Error in Flux in arbitrary units 58- 62 F5.2 --- ZP Instrumental zero point in the Landolt systems (2) 64- 67 F4.2 --- e_ZP Error in ZP 69- 72 F4.2 arcsec IQ Image quality
Note (1): Weighted average of all images taken during a given night except for the NIR data where data taken over several nights. Note (2): The instrumental magnitude, m, is obtained as m=-2.5logFlux+ZP.
Byte-by-byte Description of file: tableb2.dat
Bytes Format Units Label Explanations
1- 6 A6 --- SN SN name 7 A1 --- f_SN [+] +: follow-up photometry in table b1 9- 14 F6.4 --- zCMB Redshift with respect to the CMB 16- 20 F5.2 mag Bmag ? Apparent B band magnitude at maximum 22- 25 F4.2 mag e_Bmag ? Error in Bmag 27- 31 F5.2 --- x1 ? SALT2 x1 parameter 33- 36 F4.2 --- e_x1 ? Error in x1 38- 42 F5.2 mag c ? SALT2 c parameter 44- 47 F4.2 mag e_c ? Error in c 49- 53 F5.2 mag mu ? Distance modulus 55- 58 F4.2 mag e_mu ? Error in mu 60- 61 I2 --- Ref Sample number (1) 63- 67 A5 --- Fail [cpzodf, ] Failed cuts, if any (2)
Note (1): Reference as follows: 1 = Hamuy et al. (1996AJ....112.2398H); 2 = Krisciunas et al. (2005, Cat. J/AJ/130/2453); 3 = Riess et al. (1999AJ....117..707R); 4 = Jha et al. (2006, Cat. J/AJ/131/527); 5 = Kowalski et al. (2008, Cat. J/ApJ/686/749); 6 = Hicken et al. (2009, Cat. J/ApJ/700/1097 & J/ApJ/700/331); 7 = Holtzman et al. (2008, Cat. J/AJ/136/2306); 8 = Riess et al. (1998AJ....116.1009R + HZT); 9 = Perlmutter et al. (1999ApJ...517..565P); 10 = Barris et al. (2004, Cat. J/ApJ/602/571); 11 = Amanullah et al. (2008A&A...486..375A); 12 = Knop et al. (2003ApJ...598..102K); 13 = Astier et al. (2006A&A...447...31A); 14 = Miknaitis et al. (2007, Cat. J/ApJ/666/674); 15 = Tonry et al. (2003, Cat. J/ApJ/594/1); 16 = Riess et al. (2007ApJ...659...98R); 17 = This Paper. Note (2): Failed cuts code as follows: p = first phase greater than six days after B-band maximum; z = redshift <0.015; o = outlier; d = number of observations <5; f = bad light curve fit.
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Emmanuelle Perret [CDS] 31-May-2012
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