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J/ApJ/835/166    SNe type II from CSP-I, SDSS-II, and SNLS    (de Jaeger+, 2017)

A Type II supernova Hubble diagram from the CSP-I, SDSS-II, and SNLS surveys. de Jaeger T., Gonzalez-Gaitan S., Hamuy M., Galbany L., Anderson J.P., Phillips M.M., Stritzinger M.D., Carlberg R.G., Sullivan M., Gutierrez C.P., Hook I.M., Howell D.A., Hsiao E.Y., Kuncarayakti H., Ruhlmann-Kleider V., Folatelli G., Pritchet C., Basa S. <Astrophys. J., 835, 166-166 (2017)> =2017ApJ...835..166D (SIMBAD/NED BibCode)
ADC_Keywords: Supernovae ; Redshifts ; Reddening ; Surveys Keywords: distance scale; galaxies: distances and redshifts; supernovae: general Abstract: The coming era of large photometric wide-field surveys will increase the detection rate of supernovae by orders of magnitude. Such numbers will restrict spectroscopic follow-up in the vast majority of cases, and hence new methods based solely on photometric data must be developed. Here, we construct a complete Hubble diagram of Type II supernovae (SNe II) combining data from three different samples: the Carnegie Supernova Project-I, the Sloan Digital Sky Survey II SN, and the Supernova Legacy Survey. Applying the Photometric Color Method (PCM) to 73 SNe II with a redshift range of 0.01-0.5 and with no spectral information, we derive an intrinsic dispersion of 0.35mag. A comparison with the Standard Candle Method (SCM) using 61 SNe II is also performed and an intrinsic dispersion in the Hubble diagram of 0.27mag, i.e., 13% in distance uncertainties, is derived. Due to the lack of good statistics at higher redshifts for both methods, only weak constraints on the cosmological parameters are obtained. However, assuming a flat universe and using the PCM, we derive the universe's matter density: Ωm=0.32-0.21+0.30 providing a new independent evidence for dark energy at the level of two sigma. Description: The CSP-I (Carnegie Supernova Project-I) had guaranteed access to ∼300 nights per year between 2004 and 2009 on the Swope 1m and du Pont 2.5m telescopes at the Las Campanas Observatory (LCO). This observation time allowed the CSP-I to obtain optical-band light curves for 67 SNe II. From the CSP-I sample, we remove six outliers. The SDSS-II SN Survey operated for three years, from 2005 September to 2007 November. Using the 2.5m telescope at the Apache Point Observatory in New Mexico. This survey observed about 80 spectroscopically confirmed core-collapse SNe but the main driver of this project was the study of SNe Ia, involving the acquisition of only one or two spectra per SNe II. The total SDSS-II SN sample is composed of 16 spectroscopically confirmed SNe II. The SNLS (Supernova Legacy Survey) was designed to discover SNe and to obtain photometric follow-up using the MegaCam imager on the 3.6m Canada-France-Hawaii Telescope. The observation strategy consisted of obtaining images of the same field every four nights over five years (between 2003 and 2008); thus, in total more than 470 nights were allocated to this project. The total SNLS sample is composed of 28 SNeII. See section 2 for further explanations on the data sample. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 108 105 Supernova sample
See also: B/sn : Asiago Supernova Catalogue (Barbon et al., 1999-) J/A+A/477/717 : Spectroscopy of Type Ia supernovae (Bronder+, 2008) J/AJ/136/2306 : SDSS-II Supernova survey, 2005 (Holtzman+, 2008) J/A+A/507/85 : ESO/VLT 3rd year type Ia supernova data set (Balland+, 2009) J/A+A/506/999 : Photometric Calibration of SNLS (Regnault+, 2009) J/MNRAS/395/1409 : Type II-P SN progenitor constraints (Smartt+, 2009) J/AJ/139/519 : Carnegie supernova project. SNe Ia (Contreras+, 2010) J/ApJ/708/661 : SDSS-II SN Survey: SNe II-P standardization (D'Andrea+, 2010) J/A+A/523/A7 : Light curves of type Ia supernovae in SNLS (Guy+, 2010) J/ApJS/192/1 : Light-curve parameters from the SNLS (Conley+, 2011) J/AJ/142/156 : The CSP (DR2): photometry of SNe Ia (Stritzinger+, 2011) J/MNRAS/410/1262 : Supernova Legacy Survey. Type Ia supernovae (Walker+, 2011) J/ApJ/773/53 : Type Ia SNe spectroscopy by the CSP (Folatelli+, 2013) J/A+A/568/A22 : Joint analysis of the SDSS-II and SNLS SNe Ia (Betoule+, 2014) J/MNRAS/442/844 : BVRI light curves of type II-P supernovae (Faran+, 2014) J/ApJ/795/44 : PS1 SNe Ia (0.02<z<0.7) griz light curves (Rest+, 2014) J/ApJ/799/215 : 26 type II-Plateau supernovae parameters (Pejcha+, 2015) J/ApJ/799/208 : Type IIP supernovae from Pan-STARRS1 (Sanders+, 2015) J/A+A/589/A110 : SN II in host HII regions (Anderson+, 2016) J/AJ/151/33 : UBVRIz light curves of 51 Type II supernovae (Galbany+, 2016) J/A+A/587/L7 : Metallicity from Type II SN from (i)PTF (Taddia+, 2016) http://csp.obs.carnegiescience.edu/ : Carnegie Supernova Project home page Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 6 A6 --- Name Supernova identifier 8 A1 --- f_Name [c] Flag on Name (1) 10- 14 F5.3 mag AvG [0.02/1.9] Reddening (2) 16- 21 F6.4 --- z [0.0008/0.6] Host-galaxy heliocentric recession velocity from NED 23- 29 F7.4 --- zCMB [-0.0001/0.6] Host-galaxy velocity in the CMB frame (3) 31- 37 F7.5 --- e_zCMB [0.00001/0.005] zCMB uncertainty 39- 45 F7.1 d Epoch The explosion epoch (MJD) 47- 50 F4.1 d e_Epoch [1/25] Epoch uncertainty 52- 56 F5.2 --- s2 [-2/3]? s2 value (the slope of the plateau) in the i band (defined in Section 4) 58- 61 F4.2 --- e_s2 [0.01/1.5]? s2 uncertainty 63- 66 I4 km/s VHb [2420/8640]? Hβ velocity (4) 68- 70 I3 km/s e_VHb [160/700]? VHb uncertainty 72- 76 F5.2 mag muPCM [33/42.2]? Distance modulus measured using the Photometric Color Method (PCM); see section 4 78- 81 F4.2 mag e_muPCM [0.05/0.7]? muPCM uncertainty 83- 87 F5.2 mag muSCM [33/40]? Distance modulus measured using the Standard Candle Method (SCM); see section 5 89- 92 F4.2 mag e_muSCM [0.06/0.5]? muSCM uncertainty 94-100 A7 --- Camp Survey from which the SN II originates (5) 102-108 A7 --- Meth Methods (whether a spectrum is available or not)
Note (1): c = SNe II used in de Jaeger+ (2015ApJ...815..121D). Note (2): Reddening due to dust in our Galaxy (Schlafly & Finkbeiner 2011ApJ...737..103S). Note (3): The host-galaxy velocity in the CMB frame using the CMB dipole model presented by Fixsen+ (1996ApJ...473..576F). Note (4): Hβ velocity at an epoch of 45 days after the explosion (see Section 5). Note (5): Campaign as follows: CSP-I = Carnegie Supernova Project-I (Hamuy+ 2006PASP..118....2H - http://csp.obs.carnegiescience.edu/), SDSS-II = Sloan Digital Sky Survey II SN (Frieman+ 2008AJ....135..338F - http://classic.sdss.org/supernova/aboutsupernova.html), SNLS = Supernova Legacy Survey (Astier+ 2006A&A...447...31A ; Perrett+ 2010AJ....140..518P).
Acknowledgements: Thomas de Jaeger [tdejaeger; berkeley.edu] for the coordinates of the Supernova Legacy Survey (SNLS) supernovae. History: From electronic version of the journal
(End) Emmanuelle Perret [CDS] 06-Oct-2017
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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