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J/MNRAS/410/1262    Supernova Legacy Survey. Type Ia supernovae  (Walker+, 2011)

Supernova Legacy Survey: using spectral signatures to improve Type Ia supernovae as distance indicators. Walker E.S., Hook I.M., Sullivan M., Howell D.A., Astier P., Balland C., Basa S., Bronder T.J., Carlberg R., Conley A., Fouchez D., Guy J., Hardin D., Pain R., Perrett K., Pritchet C., Regnault N., Rich J., Aldering G., Fakhouri H.K., Kronborg T., Palanque-Delabrouille N., Perlmutter S., Ruhlmann-Kleider V., Zhang T. <Mon. Not. R. Astron. Soc., 410, 1262-1282 (2011)> =2011MNRAS.410.1262W
ADC_Keywords: Supernovae ; Redshifts ; Equivalent widths Keywords: cosmology: observations - supernovae: general Abstract: Optical long-slit spectroscopy at the Gemini-North telescope using the Gemini Multi-Object Spectrograph (GMOS) was used to classify targets from the Supernova Legacy Survey (SNLS) from 2005 July and 2006 May-2008 May. During this time, 95 objects were observed. Where possible, the objects' redshifts (z) were measured from narrow emission or absorption features in the host galaxy spectrum, otherwise they were measured from the broader supernova features. We present spectra of 68 confirmed or probable SNe Ia from SNLS with redshifts in the range 0.17≤z≤1.02. Description: The targets were selected from real-time SNLS imaging which took place at the Canada-France-Hawaii Telescope (CFHT). Fainter objects were usually observed spectroscopically at Gemini, with brighter candidates at either VLT or Keck. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file tablea1.dat 65 158 Table of observations tablea2.dat 35 95 Classifications and redshifts tablea3.dat 46 26 EW results for objects presented in this paper tablea4.dat 46 56 EW results for the Bronder sample tablea5.dat 46 67 EW results for the VLT sample tablea6.dat 63 23 Photometric properties of the low-z sample fitted using SiFTO tablea7.dat 36 150 EW measurements for the low-z spectra
See also: J/A+A/477/717 : Spectroscopy of Type Ia supernovae (Bronder+, 2008) J/A+A/506/999 : Photometric Calibration of SNLS (Regnault+, 2009) 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) Byte-by-byte Description of file: tablea1.dat
Bytes Format Units Label Explanations
1- 6 A6 --- SN SN name (NNAnaa) 8 I1 --- n_SN [3/5]? Note (1) 10- 11 I2 h RAh Right ascension (J2000) 13- 14 I2 min RAm Right ascension (J2000) 16- 21 F6.3 s RAs Right ascension (J2000) 23 A1 --- DE- Declination sign (J2000) 24- 25 I2 deg DEd Declination (J2000) 27- 28 I2 arcmin DEm Declination (J2000) 30- 34 F5.2 arcsec DEs Declination (J2000) 36- 45 A10 "YYYY-MM-DD" Date Observation date 47- 50 I4 s ExpTime Exposure time 52- 54 A3 --- Mode Mode (2) 56- 58 I3 nm lambda ? Central wavelength 60- 63 F4.2 arcsec Seeing ? Seeing 65 A1 --- n_Seeing [2] 2 if measured using IMEXAM, else measured using GEMSEEING
Note (1): Note on SN as follows: 3 = R150 observation 4 = Second night of data only used 5 = First night of data only used Note (2): N&S refer to Glazebrook K., Bland-Hawthorn J. (2001PASP..113..197G), B&S is unexplained (typo?) and C (?).
Byte-by-byte Description of file: tablea2.dat
Bytes Format Units Label Explanations
1- 6 A6 --- SN SN name (NNAnaa) 8- 12 A5 --- Type SN type (1) 14- 19 F6.4 --- z ?=- Redshift 21- 26 F6.4 --- e_z ?=- rms uncertainty on z 28 I1 --- q_Type [0/5] Confidence index (2) 30- 35 A6 --- n_z Redshift Source (target or host)
Note (1): details in section 2.3. Classes are SNIa (certain or highly probable Ia), SNIa? (probable Ia), SNII (SN Type II), SN (supernova of unknown type) or SN? (probable SN of un- known type). Note (2): Confidence index with 5 being a definite Ia and 0 definitely not.
Byte-by-byte Description of file: tablea3.dat tablea4.dat tablea5.dat
Bytes Format Units Label Explanations
1- 6 A6 --- SN SN name (NNAnaa) 7 A1 --- n_SN [*] * indicates objects removed from further analysis 9- 14 F6.2 0.1nm W(CaII) ?=- CaII equivalent width 16- 20 F5.2 0.1nm e_W(CaII) ?=- rms uncertainty on W(CaII) 22- 27 F6.3 0.1nm W(SiII) ?=- SiII equivalent width 29- 33 F5.2 0.1nm e_W(SiII) ?=- rms uncertainty on W(SiII) 35- 40 F6.2 0.1nm W(MgII) ?=- MgII equivalent width 42- 46 F5.2 0.1nm e_W(MgII) ?=- rms uncertainty on W(MgII)
Byte-by-byte Description of file: tablea6.dat
Bytes Format Units Label Explanations
1- 2 A2 --- --- [SN] 4- 9 A6 --- SN SN name (YYYYaa) 11- 15 F5.3 --- z Redshift relative to CMB 17- 21 F5.3 --- Stretch light curve stretch 23- 27 F5.3 --- e_Stretch rms uncertainty on Stretch 29- 34 F6.3 mag Col Colour 36- 40 F5.3 mag e_Col rms uncertainty on Col 42- 46 F5.2 mag Bmag B magnitude at date of maximum 48- 51 F4.2 mag e_Bmag rms uncertainty on Bmag 53- 57 F5.2 mag Dist ?=- Independent distance modulus 59- 62 F4.2 mag e_Dist ?=- rms uncertainty on Dist 63 A1 --- r_Dist [ab] Distance reference (1)
Note (1): Distance reference as follows: a = Saha et al. (2006ApJS..165..108S) b = Ajhar et al. (2001ApJ...559..584A)
Byte-by-byte Description of file: tablea7.dat
Bytes Format Units Label Explanations
1- 2 A2 --- --- [SN] 4- 9 A6 --- SN SN name (YYYYaa) 11- 15 F5.1 d Phase [-11/11] Phase (days since maximum) 18- 23 F6.2 0.1nm W(CaII) ?=- CaII equivalent width 25- 29 F5.2 0.1nm W(SiII) ?=- SiII equivalent width 31- 36 F6.2 0.1nm W(MgII) ?=- MgII equivalent width
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 16-Aug-2011
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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