J/A+A/574/A60 Light curve templates of SNe Ib/c from SDSS (Taddia+, 2015)
Early-time light curves of type Ib/c supernovae from the
SDSS-II Supernova Survey.
Taddia F., Sollerman J., Leloudas G., Stritzinger M.D., Valenti S.,
Galbany L., Kessler R., Schneider D.P., Wheeler J.C.
<Astron. Astrophys. 574, A60 (2015)>
=2015A&A...574A..60T 2015A&A...574A..60T
ADC_Keywords: Supernovae ; Photometry, ugriz ; Photometry, SDSS ; Models
Keywords: supernovae: general
Abstract:
We present optical (ugriz) light curve templates of supernovae Ib/c
from the SDSS II SN survey.
Description:
These templates were obtained by fitting the normalized and stretched
light curves of supernovae Ib/c from the SDSS II SN survey.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
template.dat 99 681 Optical (ugriz) light curve templates of
SNe Ib/c from the SDSS II SN survey
table1.dat 93 20 SDSS sample of 20 SNe Ib, Ic and Ic-BL
table2.dat 41 53 Spectral log for the SDSS SNe Ib/c
table3.dat 163 55 Parameters from the fit of the SDSS Ib/c SN
light curves
table4.dat 115 36 Well-constrained R/r-band light-curve rise-times
and Dm-10 for 4, 13, 10 and 9 SNe IIb, Ib, Ic
and Ic-BL in the literature
table5.dat 130 15 Parameters from the fit of the 14 SDSS Ib/c SN
pseudo-bolometric light curves
(host-extinction corrections included)
table6.dat 69 21 56Ni mass, ejecta mass, explosion energy and
progenitor radius for the SDSS sample of SNe Ib/c
table7.dat 56 17 Limits on the early plateau parameters and peak
luminosity values for the SDSS sample of
SNe Ib/c (host extinction included)
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See also:
J/AJ/135/348 : SDSS-II SNe survey: search and follow-up (Sako+, 2008)
J/AJ/135/1766 : Sloan Digital Sky Survey-II supernova survey (Zheng+, 2008)
J/AJ/136/2306 : SDSS-II Supernova survey, 2005 (Holtzman+, 2008)
J/ApJS/185/32 : First-year SDSS-II SN results (Kessler+, 2009)
J/ApJ/708/661 : SDSS-II SN Survey: SNe II-P standardization (D'Andrea+, 2010)
J/A+A/526/A28 : SDSS-II supernovae NTT and NOT spectroscopy (Oestman+, 2011)
J/A+A/568/A22 : Joint analysis of the SDSS-II and SNLS SNe Ia (Betoule+, 2014)
Byte-by-byte Description of file: template.dat
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Bytes Format Units Label Explanations
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1- 5 F5.1 d Ep.u [-14/50]? Days since maximum light (u band)
7- 12 F6.4 --- Fu ? Normalized flux in u band
14- 19 F6.4 --- e_Fu ? Flux error in u band
21- 25 F5.1 d Ep.g [-18/50] Days since maximum light (g band)
27- 32 F6.4 --- Fg Normalized flux in g band
34- 39 F6.4 --- e_Fg Flux error in g band
41- 45 F5.1 d Ep.r [-18/50] Days since maximum light (r band)
47- 52 F6.4 --- Fr Normalized flux in r band
54- 59 F6.4 --- e_Fr Flux error in r band
61- 65 F5.1 d Ep.i [-18/50] Days since maximum light (i band)
67- 72 F6.4 --- Fi Normalized flux in i band
74- 79 F6.4 --- e_Fi Flux error in i band
81- 85 F5.1 d Ep.z [-18/50] Days since maximum light (z band)
87- 92 F6.4 --- Fz Normalized flux in z band
94- 99 F6.4 --- e_Fz Flux error in z band
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- SN SN designation
8- 9 I2 h RAh Right ascension (J2000)
11- 12 I2 min RAm Right ascension (J2000)
14- 18 F5.2 s RAs Right ascension (J2000)
20 A1 --- DE- Declination sign (J2000)
21- 22 I2 deg DEd Declination (J2000)
24- 25 I2 arcmin DEm Declination (J2000)
27- 30 F4.1 arcsec DEs Declination (J2000)
32- 36 A5 --- Type Supernovae type
38- 42 F5.3 --- z [0.01/0.27] Redshift (1)
44- 49 F6.1 Mpc Dist [69/1342] Distance (2)
51- 74 A24 --- Host Host galaxy name
76- 80 F5.3 mag E(B-V)0 Milky Way redenning
82- 86 F5.3 mag E(B-V)g ?=- Host galaxy redenning (3)
88- 93 F6.2 mag gMAG Absolute magnitude in g band for host
galaxy (4)
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Note (1): Redshifts are usually known with a precision down to z∼0.001
(Zheng et al. 2008, Cat. J/AJ/135/1766).
Note (2): Typical errors on the distance are on the order of 5-10%.
Note (3): See Sect. 3.3.1 for details.
Note (4): The absolute magnitude in g band for each host galaxy is corrected for
the Milky Way extinction at the position of the host center and K-corrected.
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- SN SN designation
8- 12 A5 --- Type SN type
15- 21 F7.2 d MJD Spectral epoch (MJD-53000)
22 A1 --- n_MJD [*] * for spectra plotted in Fig. 1
24- 30 A7 --- Tel Telescope (1)
32- 36 I5 km/s Vel [4760/18700]? Velocity
38- 41 A4 --- n_Vel Note on Vel (2)
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Note (1): All the spectra were released by Sako et al. (2014, ApJS, submitted).
Telescopes as follows:
ARC = Astrophysical Research Consortium 3.5m telescope at the Apache
Point Observatory (New Mexico)
ESO-NTT = New Technology 3.6m Telescope in La Silla (Chile)
HET = Hobby-Eberly 9.2m Telescope at McDonald Observatory (Texas)
H = Hiltner 2.4m telescope at the Michigan-Dartmouth-MIT
observatory (Arizona)
KP = Kitt Peak National Observatory Mayall 4 m telescope (Arizona)
MGH = McGraw-Hill 1.3m telescope at the Michigan-Dartmouth-MIT
observatory (Arizona)
NOT = Nordic Optical 2.5m Telescope in La Palma (Spain)
SUBARU = 8.2m Subaru Telescope at the National Astronomical Observatory
of Japan (Hawaii)
Note (2): Note as follows:
(He) = Velocity measured from HeI 5876
(Si) = Velocity measured from SiII 6355
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1 A1 --- Band [ugriz] Band
3- 8 A6 --- SN Supernovae designation
10- 15 F6.2 uJy A ?=- A coefficient (G1)
17- 21 F5.2 uJy e_A ? rms uncertainty on A
23- 27 F5.2 d tau.r ?=- Rising time parameter τrise (G1)
29- 32 F4.2 d e_tau.r ? rms uncertainty on tau.r
34- 38 F5.2 d tau.f ?=- Falling time parameter τfall (G1)
40- 44 F5.2 d e_tau.f ? rms uncertainty on tau.f
46- 53 F8.2 d t0 ?=- Reference epoch (MJD) (G1)
55- 59 F5.2 d e_t0 ? rms uncertainty on t0
61- 66 F6.2 uJy C ?=- C coefficient (G1)
68- 72 F5.2 uJy e_C ? rms uncertainty on C
74- 81 F8.2 d tmax ?=- Epoch of maximum light tmax (MJD)
83- 86 F4.2 d e_tmax ? rms uncertainty on tmax
88- 93 F6.2 uJy Fmax ?=- Observed flux at maximum
95- 99 F5.2 uJy e_Fmax ? rms uncertainty on Fmax
101-104 F4.2 mag Dm15 ?=- Difference in magnitude between maximum
epoch and +15 days
106-109 F4.2 mag e_Dm15 ? rms uncertainty on Dm15
111-114 F4.2 mag Dm-10 ?=- Difference in magnitude between maximum
epoch and -10 days
116-119 F4.2 mag e_Dm-10 ? rms uncertainty on Dm-10
121-125 F5.2 d t.r ?=- Rise time trise
127-131 F5.2 d e_t.r ? rms uncertainty on t.r
133-140 F8.2 d t.e ?=- Explosion epoch texpl
142-145 F4.2 d e_t.e ? rms uncertainty on t.e
147-151 F5.2 mag mmax ?=- Peak apparent magnitude
153-156 F4.2 mag e_mmax ?=- rms uncertainty on mmax
158-163 F6.2 mag Mmax ?=- Peak absolute magnitude
(host-extinction corrected) (1)
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Note (1): The error on Mmax is about 0.15mag, which is mainly due to the
uncertainty on the distance (∼7%).
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- SN Supernovae name
12- 16 A5 --- Type SN time
18- 22 F5.2 d t.r ?=- Rise time trise
24- 27 F4.2 d e_t.r ? rms uncertainty on t.r
29- 32 F4.2 mag Dm-10 ?=- Difference in magnitude between maximum
epoch and -10 days
34- 37 F4.2 mag e_Dm-10 ? rms uncertainty on Dm-10
39-115 A77 --- Ref Reference(s) and comments
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- SN Supernovae designation
8- 13 F6.2 uJy A ?=- A coefficent (G1)
15- 19 F5.2 uJy e_A ? rms uncertainty on A
21- 24 F4.2 d tau.r ?=- Rising time parameter τrise (G1)
26- 29 F4.2 d e_tau.r ? rms uncertainty on tau.r
31- 35 F5.2 d tau.f ?=- Falling time parameter τfall (G1)
37- 41 F5.2 d e_tau.f ? rms uncertainty on tau.f
43- 50 F8.2 d t0 ?=- Reference epoch t0 (MJD) (G1)
52- 55 F4.2 d e_t0 ? rms uncertainty on t0
57- 61 F5.2 uJy C ?=- C coefficient (G1)
63- 66 F4.2 uJy e_C ? rms uncertainty on C
68- 75 F8.2 d tmax ?=- Time of maximum tmax (MJD)
77- 80 F4.2 d e_tmax ? rms uncertainty on Tmax
82- 87 F6.2 10+34W Lmax ?=- Maximum luminosity (in 1041erg/s)
89- 92 F4.2 10+34W e_Lmax ? rms uncertainty on Lmax
94- 97 F4.2 mag Dm15 ?=- Difference in magnitude between maximum
epoch and +15 days
99-102 F4.2 mag e_Dm15 ? rms uncertainty on Dm15
104-108 F5.2 mag Dm-10 ?=- Difference in magnitude between maximum
epoch and -10 days
110-113 F4.2 mag e_Dm-10 ? rms uncertainty on Dm-10
115-119 F5.2 d t.r ?=- Rise time trise
121-125 F5.2 d e_t.r ? rms uncertainty on t.r
127-130 F4.2 --- alpha ?=- Exponent of the best power-law fit to the
early quasi-bolometric light curves
(see Sect. 3.4.1 and Fig. 22)
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- SN Supernovae designation (1)
8- 14 A7 --- Type SN type
16- 19 F4.2 Msun M56Ni ?=- 56Ni mass
21- 24 F4.2 Msun E_M56Ni ? Error on M56Ni (upper value) (2)
26- 29 F4.2 Msun e_M56Ni ? Error on M56Ni (lower value) (2)
31- 34 F4.2 Msun Mej ?=- Ejected mass
36- 40 F5.2 Msun E_Mej ? Error on Mej (upper value) (2)
42- 45 F4.2 Msun e_Mej ? Error on Mej (lower value) (2)
47- 51 F5.2 10+44J EK ?=- Explosion energy (in foe=1051erg)
53- 57 F5.2 10+44J E_EK ? Error on EK (upper value) (2)
59- 62 F4.2 10+44J e_EK ? Error on EK (lower value) (2)
64 A1 --- l_R Limit flag on R
65- 69 F5.1 Rsun R ? Radius
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Note (1): The last lines are for mean values of each SN type.
Note (2): The reported errors are due to the uncertainty on the rise time.
Typical uncertainties on the 56Ni mass due to the error on the distance
are ∼7%.
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Byte-by-byte Description of file: table7.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- SN Supernovae designation
8- 12 A5 --- Type SN type
14 A1 --- l_Dtp Limit flag on Dtp
15- 18 F4.1 d Dtp ?=- Time interval ΔtP between last
non-detection and first detection in the
rest frame
19 A1 --- --- [-]
20- 23 F4.1 d Dtp2 ? Second value of Dtp when interval
25 A1 --- n_Dtp [ab] Note on Dtp (1)
27 A1 --- l_log(DLl) Limit flag on log(DLl)
28- 32 F5.2 [10-7W] log(DLl) ?=- Limit on the luminosity of the last
non-detection logΔL
34 A1 --- l_log(Lp) Limit flag on log(Lp)
35- 39 F5.2 [10-7W] log(Lp) Luminosity of the 1st detection log(Lp)
40 A1 -- n_log(Lp) [c] Note on log(Lp) (1)
42- 46 F5.2 [10-7W] log(Lmax) ?=- Peak luminosity log(Lmax)
48- 51 F4.2 mag DM(p/l) ?=- Difference in magnitude between the peak
and the last non-detection limit
53- 56 F4.2 mag DM(p/1) ?=- Difference in magnitude between the peak
and the 1st-detection luminosity
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Note (1): Notes as follows:
a = Time interval between the first two epochs
b = Time interval between the second and the fourth epoch
c = Luminosity of the third epoch
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Global notes:
Note (G1): In the light-curve fit, the flux F(t) in each filter is given by
F(t) = A exp(-(t-t0)/τfall)/(1+exp(-(t-t0)/τrise)) + C
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Acknowledgements:
Francesco Taddia, ftadd(at)astro.su.se
(End) Patricia Vannier [CDS] 05-Nov-2014