2022ApJ...930...70H

Query : 2022ApJ...930...70H

2022ApJ...930...70H - Astrophys. J., 930, 70-70 (2022/May-1)

Spectroscopic Studies of Type Ia Supernovae Using LSTM Neural Networks.

HU L., CHEN X. and WANG L.

Abstract (from CDS):

We present a data-driven method based on long short-term memory (LSTM) neural networks to analyze spectral time series of Type Ia supernovae (SNe Ia). The data set includes 3091 spectra from 361 individual SNe Ia. The method allows for accurate reconstruction of the spectral sequence of an SN Ia based on a single observed spectrum around maximum light. The precision of the spectral reconstruction increases with more spectral time coverages, but the significant benefit of multiple epoch data at around optical maximum is only evident for observations separated by more than a week. The method shows great power in extracting the spectral information of SNe Ia and suggests that the most critical information of an SN Ia can be derived from a single spectrum around the optical maximum. The algorithm we have developed is important for the planning of spectroscopic follow-up observations of future SN surveys with the LSST/Rubin and WFIRST/Roman telescopes.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Supernovae - Type Ia supernovae

VizieR on-line data: <Available at CDS (J/ApJ/930/70): table1.dat refs.dat>

Simbad objects: 363

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Number of rows : 363
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SN 2006sr SN* 00 03 35.023 +23 11 45.67     17.4     SNIa 58 1
2 SN 2003it SN* 00 05 48.523 +27 27 08.61     17.2     SNIa 46 1
3 SN 2000dg SN* 00 06 13.81 +08 53 17.5     17.8     SNIa 26 1
4 SN 2002hw SN* 00 06 49.06 +08 37 48.5     16.8     SNIa 49 1
5 SN 1998dk SN* 00 14 32.16 -00 44 10.9   14.93       SNIa 65 1
6 SN 1999cw SN* 00 20 01.46 -06 20 03.6     14.2     SNIa 34 1
7 SN 2007A SN* 00 25 16.66 +12 53 12.5     16.0     SNIa 82 1
8 SN 1997cw SN* 00 25 17.27 +12 53 06.2   16.00       SNIapec 48 1
9 SN 2005hk SN* 00 27 50.89 -01 11 53.3   15.92       SNIax 240 1
10 SN 1996bl SN* 00 36 17.97 +11 23 40.5   17.05 16.63     SNIa 69 1
11 SN 2006ej SN* 00 38 59.77 -09 00 56.6   16.0 16.4     SNIa 78 1
12 SN 2006et SN* 00 42 45.82 -23 33 30.4     16.1     SNIa 82 1
13 SN 1998de SN* 00 48 06.88 +27 37 28.5   17.56       SNIapec 92 1
14 SN 2006gt SN* 00 56 17.30 -01 37 46.0     18.5     SNIap 67 1
15 SN 2007nq SN* 00 57 33.60 -01 23 19.5     17.6     SNIa 50 1
16 SN 1999ef SN* 00 58 46.2 +12 44 45   15.72       SNIa 40 2
17 SN 1998ef SN* 01 03 26.87 +32 14 12.4   15.21       SNIa 75 1
18 SNF 20080720-001 SN* 01 05 27.31 +37 51 07.9           SNIa 10 0
19 SN 2000dk SN* 01 07 23.52 +32 24 23.2   15.63 15.2     SNIa 109 1
20 SN 2007if SN* 01 10 51.37 +15 27 39.9   23.3 19.5     SNIap 142 1
21 SN 2008gl SN* 01 20 54.82 +04 48 19.1           SNIa 53 1
22 SN 2002jy SN* 01 21 16.231 +40 29 55.29     16.3     SNIa 43 1
23 SN 1999ej SN* 01 22 57.38 +33 27 58.0   15.65       SNIa 77 1
24 SN 2008Q SN* 01 24 57.23 +09 33 01.5     16.5     SNIa 58 1
25 SN 2001en SN* 01 25 22.855 +34 01 30.08     17.5     SNIa 68 1
26 SN 1998dm SN* 01 26 13.97 -06 06 14.0   14.70       SNIa 71 1
27 SN 1999dk SN* 01 31 26.92 +14 17 05.7   15.06       SNIa 83 1
28 SN 1998es SN* 01 37 17.60 +05 52 50.6   13.99       SNIapec 128 1
29 SN 2001eh SN* 01 38 12.10 +41 39 18.8     16.5     SNIa 59 1
30 SN 2008A SN* 01 38 17.38 +35 22 13.7     17.6     SNIax 69 1
31 SN 2006fw SN* 01 47 10.340 -00 08 49.07           SNIa 42 1
32 SN 1996bo SN* 01 48 22.86 +11 31 15.1           SNIa 78 1
33 SN 2002eu SN* 01 49 43.60 +32 37 43.0     17.4     SNIa 41 1
34 SN 2005W SN* 01 50 45.75 +21 45 35.6     15.2     SNIa 62 1
35 SN 2006je SN* 01 50 53.28 +33 05 53.2     17.8     SNIapec 24 1
36 SN 2006ob SN* 01 51 48.132 +00 15 48.46           SNIa 68 1
37 SN 2002fb SN* 01 57 48.90 +36 20 26.3     17.1     SNIapec 36 1
38 SN 2004fz SN* 02 01 06.41 +31 52 44.2     15.9     SNIa 33 1
39 SN 2004dt SN* 02 02 12.770 -00 05 51.50           SNIa 150 1
40 SN 2006ef SN* 02 04 19.529 -08 43 42.49     15.6     SNIa 65 1
41 SN 2006ot SN* 02 15 04.84 -20 45 58.2     17.4     SNIap 48 1
42 SN 2002hu SN* 02 18 20.028 +37 27 58.57   16.83       SNIa 55 1
43 SN 2005dm SN* 02 18 39.29 -06 54 10.5     17.6     SNIapec 20 1
44 SN 2006em SN* 02 25 44.30 +41 56 31.8     17.5     SNIapec 31 1
45 SN 2005eu SN* 02 27 43.30 +28 10 37.8     17.6     SNIa 67 2
46 SN 2005A SN* 02 30 43.25 -02 56 19.8     17.1     SNIa 60 1
47 SN 1999gp SN* 02 31 39.15 +39 22 52.3   16.04       SNIa 98 1
48 SN 1999dq SN* 02 33 59.68 +20 58 30.4   14.68       SNIapec 126 1
49 SN 2005lu SN* 02 36 03.754 -17 15 49.50     17.1     SNIa 47 1
50 SN 2009ig SN* 02 38 11.62 -01 18 45.3           SNIa-norm 168 1
51 SN 1995ak SN* 02 45 48.83 +03 13 50.1   16.23 16.07     SNIa 69 1
52 SN 2003iv SN* 02 50 07.244 +12 50 45.28     17.2     SNIa 45 1
53 SN 2005ls SN* 02 54 15.97 +42 43 29.8     15.8     SNIa 34 1
54 SN 2006os SN* 02 55 01.01 +16 00 34.8     17.2     SNIa 45 1
55 SN 2004go SN* 02 55 41.76 -14 14 14.5     16.5     SNIa 14 1
56 SN 2008R SN* 03 03 53.70 -11 59 39.4     15.5     SNIa 44 1
57 SN 2003hv SN* 03 04 09.32 -26 05 07.5     12.5     SNIa 134 1
58 SN 2005eq SN* 03 08 49.31 -07 01 59.7     17.4     SNIa 95 1
59 LSQ 12gpw SN* 03 12 58.0 -11 42 40           SNIapec 20 0
60 SN 2006gj SN* 03 17 35.80 -01 41 30.2     17.8     SNIa 50 1
61 SN 2005mz SN* 03 19 49.88 +41 30 18.6     18.2     SNIa 39 1
62 SN 2012Z SN* 03 22 05.39641 -15 23 14.9390           SNIax 142 1
63 SN 2002fk SN* 03 22 05.71 -15 24 03.2     15.7     SNIa 113 1
64 SN 2006mr SN* 03 22 42.84 -37 12 28.5     15.6     SNIap 78 1
65 SN 2008gp SN* 03 23 00.73 +01 21 42.8           SNIa 51 1
66 SN 2006H SN* 03 26 01.49 +40 41 42.5     17.0     SNIa 27 2
67 SN 2007jg SN* 03 29 50.81 +00 03 24.6           SNIa 56 1
68 SN 2012fr SN* 03 33 35.99 -36 07 37.7           SNIa-norm 178 1
69 SN 2005ke SN* 03 35 04.35 -24 56 38.8     17.2     SNIap 162 1
70 SN 1992A SN* 03 36 27.41 -34 57 31.4   12.56 12.50     SNIa 409 1
71 SN 2007on SN* 03 38 50.90 -35 34 30.0       14.9   SNIa 153 1
72 SN 2011iv SN* 03 38 51.4 -35 35 32           SNIa-norm 96 1
73 SN 2006kf SN* 03 41 50.48 +08 09 25.0     17.4     SNIa 78 1
74 SN 2001el SN* 03 44 30.60 -44 38 23.4   12.81       SNIa 281 1
75 SN 2009D SN* 03 54 22.83 -19 10 54.2           SNIa-norm 43 1
76 SN 2009ab SN* 04 16 36.39 +02 45 51.0           SNIa 33 1
77 SN 2005df SN* 04 17 37.85 -62 46 09.5     13.8     SNIa 91 1
78 SN 2006lf SN* 04 38 29.49 +44 02 01.5     18.0     SNIa 65 1
79 SN 1995bd SN* 04 45 21.24 +11 04 02.5   17.29       SNIapec 73 1
80 SN 2001ep SN* 04 57 00.26 -04 45 40.2     17.1     SNIa 78 1
81 SN 2006le SN* 05 00 41.99 +62 15 19.0     18.0     SNIa 71 1
82 SN 2006hb SN* 05 02 01.28 -21 07 55.1     15.7     SNIa 54 1
83 SN 2009ad SN* 05 03 33.38 +06 39 35.7           SNIa 49 1
84 iPTF 13dge SN* 05 03 35.08 +01 34 17.4           SNI 18 0
85 SN 2005el SN* 05 11 48.76 +05 11 39.0     18.7     SNIa 118 1
86 SN 2006is SN* 05 17 34.37 -23 46 54.2     17.0     SNIa 42 1
87 SN 2004gc SN* 05 21 49.949 +06 40 33.71     17.4     SNIa 32 1
88 LSQ 12fxd SN* 05 22 16.99 -25 35 47.0           SNIa 19 1
89 SN 2010ko SN* 05 32 49.44 -14 05 45.9           SNIa 20 1
90 SN 1999ek SN* 05 36 31.60 +16 38 17.8   17.97       SNIa 70 1
91 SN 1993ac SN* 05 46 23.58 +63 22 07.1   18.36 17.71     SNIa 63 1
92 SN 2003hx SN* 05 46 46.97 -16 47 00.6     14.3     SNIa 25 1
93 SN 2006ke SN* 05 52 37.38 +66 49 00.5     18.7     SNIa 23 1
94 SN 2001gc SN* 05 55 26.14 +51 54 34.2     16.2     SNIa 25 1
95 SN 2003kf SN* 06 04 35.42 -12 37 42.8     14.8     SNIa 76 1
96 SN 2006N SN* 06 08 31.24 +64 43 25.1     15.0     SNIa 66 1
97 SN 2012hr SN* 06 21 38.46 -59 42 50.6           SNIa 35 1
98 SN 2002kf SN* 06 37 15.284 +49 51 10.87     15.9     SNIa 34 1
99 SN 2008bq SN* 06 41 02.51 -38 02 19.0           SNIa 40 1
100 SN 2004S SN* 06 45 43.50 -31 13 52.5   14.14 14.39     SNIa 79 1
101 SN 1997E SN* 06 47 38.10 +74 29 51.0   15.59       SNIa 64 1
102 SN 1998ec SN* 06 53 06.11 +50 02 22.1   16.16       SNIa 60 1
103 SN 2001ex SN* 06 55 59.89 +55 24 03.0     17.2     SNIa 24 1
104 SN 2008C SN* 06 57 11.53 +20 26 13.7     14.9     SNIa 60 1
105 SN 2005na SN* 07 01 36.62 +14 07 59.7     16.1     SNIa 82 1
106 SN 2000B SN* 07 05 40.73 +50 35 10.5   15.94       SNIa 42 1
107 SN 2009ag SN* 07 11 40.81 -26 41 06.3           SNIa 25 1
108 SN 2007au SN* 07 11 46.11 +49 51 13.4     17.0     SNIa 43 1
109 SN 2000fa SN* 07 15 29.88 +23 25 42.4   15.85       SNIa 90 1
110 SN 2010ae SN* 07 15 54.65 -57 20 36.9           SNIax 68 1
111 SN 2008fp SN* 07 16 32.60 -29 19 31.7           SNIa 79 1
112 SN 2003ch SN* 07 17 57.891 +09 41 34.84     17.4     SNIa 41 1
113 SN 1997do SN* 07 26 42.50 +47 05 36.0   14.27       SNIa 74 1
114 SN 2015F SN* 07 36 15.76 -69 30 23.0           SNIa 100 1
115 SN 1995E SN* 07 51 56.75 +73 00 34.6   16.81 15.9     SNIa 122 1
116 SN 2000ce SN* 08 05 09.45 +66 47 15.2   17.24       SNIa 69 1
117 SN 2008hu SN* 08 09 14.76 -18 39 13.1           SNIa 20 1
118 SN 2006te SN* 08 11 42.962 +41 33 16.80     15.8     SNIa 44 1
119 SN 2002he SN* 08 19 58.804 +62 49 13.73     17.5     SNIapec 58 1
120 SN 2007ax SN* 08 22 43.26 +22 33 16.9     17.2     SNIap 70 1
121 SN 2005mc SN* 08 27 06.36 +21 38 45.6     17     SNIa 58 1
122 SN 1999aa SN* 08 27 42.03 +21 29 14.8           SNIap 274 1
123 SN 2007bd SN* 08 31 33.281 -01 11 57.98           SNIa 100 1
124 SN 2001bg SN* 08 35 18.86 +28 28 05.8     14     SNIa 46 1
125 SN 2004gs SN* 08 38 23.179 +17 37 39.79     17.1     SNIa 77 1
126 SN 1999gd SN* 08 38 24.61 +25 45 33.1   16.94       SNIa 72 1
127 SN 2005ms SN* 08 49 14.322 +36 07 46.70     17.9     SNIa 57 1
128 SN 2008ia SN* 08 50 35.15 -61 16 40.6           SNIa 52 1
129 SN 2002hd SN* 08 54 03.366 -07 11 21.48     18     SNIa 32 1
130 SN 1999X SN* 08 54 32.23 +36 30 41.1   16.45       SNIa 42 1
131 SN 2003Y SN* 08 54 34.60 +57 10 19.8     17.4     SNIa 36 1
132 SN 2011hr SN* 08 54 46.03 +39 32 16.1           SNIa 22 1
133 SN 2008hv SN* 09 07 34.06 +03 23 32.1           SNIa-norm 96 1
134 SN 2001G SN* 09 09 33.215 +50 16 50.84     16.1     SNIa 31 1
135 SN 2005am SN* 09 16 12.47 -16 18 16.0     17.5     SNIa 120 1
136 SN 1999by SN* 09 21 52.07 +51 00 06.6   13.66       SNIap 307 1
137 SN 2007as SN* 09 27 36.01 -80 10 39.2     15.8     SNIa 37 1
138 SN 2003ae SN* 09 28 22.579 +27 26 40.70           SNIa 24 1
139 SN 1996Z SN* 09 36 44.82 -21 08 51.7   14.63 14.2     SNIa 49 1
140 SN 2010jn SN* 09 37 30.240 +23 09 33.30   17.29 16.85     SNIa 38 1
141 SN 2005M SN* 09 37 32.76 +23 12 10.0     18.8     SNIa 91 1
142 SN 2001fe SN* 09 37 57.023 +25 29 40.85     16.0     SNIa 68 1
143 SN 2008bc SN* 09 38 31.23 -63 58 25.6           SNIa 52 1
144 SN 2003D SN* 09 38 53.52 -04 51 05.1     17.5     SNIapec 23 1
145 SN 1995D SN* 09 40 54.753 +05 08 26.16   13.42 13.22     SNIa 158 1
146 SN 2008Z SN* 09 43 15.25 +36 17 03.9     17.2     SNIa 46 1
147 SN 1999gh SN* 09 44 19.75 -21 16 25.0   14.46       SNIa 50 1
148 SN 2003kc SN* 09 46 34.32 +30 39 19.0     18.8     SNIa 27 1
149 SN 2003W SN* 09 46 49.48 +16 02 37.6     17.3     SNIa 76 1
150 SN 1995al SN* 09 50 55.97 +33 33 09.4   13.36 13.22     SNIa 115 1
151 SN 2014J SN* 09 55 42.12 +69 40 25.9           SNIa-norm 456 1
152 SN 2008ae SN* 09 56 03.20 +10 29 58.8     17.8     SNIax 40 1
153 SN 2007al SN* 09 59 18.48 -19 28 25.8     16.6     SNIa 38 1
154 SN 2007S SN* 10 00 31.26 +04 24 26.2     16.7     SNIa 82 1
155 SN 2007ux SN* 10 09 19.98 +14 59 32.8     18.5     SNIa 44 1
156 SN 2003cg SN* 10 14 15.97 +03 28 02.5   15.94       SNIa 146 1
157 SN 2002bf SN* 10 15 42.316 +55 40 07.35   16.22       SNIa 69 1
158 SN 1997bq SN* 10 17 05.33 +73 23 02.1   14.57       SNIa 84 1
159 SN 2002cv SN* 10 18 03.68 +21 50 06.2         16.67 SNIa 57 1
160 SN 2002bo SN* 10 18 06.51 +21 49 41.7   13.95       SNIa 325 1
161 SN 2010ev SN* 10 25 28.99 -39 49 51.2           SNIa 45 1
162 SN 2004L SN* 10 27 04.11 +16 01 07.3     16.9     SNIa 44 1
163 SN 1992G SN* 10 36 18.57 +37 19 16.2     13.63     SNIa 55 1
164 SN 2001N SN* 10 39 58.08 +24 05 26.0     16.3     SNIa 35 1
165 SN 2005ki SN* 10 40 28.220 +09 12 08.21           SNIa 100 1
166 SN 1998bu SN* 10 46 46.01 +11 50 07.5   12.11       SNIa 328 1
167 SN 2008bt SN* 10 50 16.99 -12 06 31.5           SNIa 27 1
168 SN 2012ht SN* 10 53 22.8 +16 46 35           SNIa-norm 84 1
169 SN 2006cf SN* 10 54 02.58 +46 01 36.3     18     SNIa 39 1
170 SN 1999bh SN* 10 54 46.97 +61 17 20.0     16.8     SNIa 28 1
171 SN 2004at SN* 10 58 45.18 +59 29 12.0     17.7     SNIa 41 2
172 SN 2007bc SN* 11 19 14.570 +20 48 32.51           SNIa 78 1
173 SN 2004bg SN* 11 21 01.53 +21 20 23.4     15.5     SNIa 35 1
174 SN 2009aa SN* 11 23 42.28 -22 16 14.5           SNIa 33 1
175 SN 2006ax SN* 11 24 03.46 -12 17 29.2     17.1     SNIa 109 1
176 SN 2007bm SN* 11 25 02.30 -09 47 53.8     16.0     SNIa 62 1
177 SN 2004as SN* 11 25 39.185 +22 49 49.04     17.3     SNIa 56 1
178 SN 2001L SN* 11 36 48.83 -08 35 07.0     15.4     SNIa 12 1
179 SN 2004bd SN* 11 39 42.18 +31 54 31.8     14.3     SNIa 24 1
180 SN 2007ci SN* 11 45 45.85 +19 46 13.9     17.5     SNIa 61 1
181 SN 2006or SN* 11 48 03.47 +30 21 24.0     16.3     SNIa 36 1
182 SN 2001E SN* 11 49 05.00 -09 44 10.9     17.6     SNIa 34 1
183 SN 2011by SN* 11 55 45.56 +55 19 33.8   12.97 12.95     SNIa-norm 109 1
184 SN 2003cq SN* 11 56 14.17 +60 31 19.1     17.0     SNIa 52 1
185 SN 1998aq SN* 11 56 25.87 +55 07 43.2   12.31 14.9     SNIa 197 1
186 SN 2001V SN* 11 57 24.910 +25 12 09.51   14.62       SNIa 115 1
187 SN 2007gi SN* 12 01 23.42 +61 53 33.8     16.3     SNIa 53 1
188 SN 2007sr SN* 12 01 52.80 -18 58 21.7     12.79     SNIa 100 1
189 SN 2008bf SN* 12 04 02.878 +20 14 42.29           SNIa 74 2
190 SN 2005bl SN* 12 04 12.24 +20 24 24.6           SNIap 109 1
191 SN 2005bg SN* 12 17 17.23 +16 22 17.4     16.2     SNIa 41 1
192 SN 2006cp SN* 12 19 14.89 +22 25 38.2     18.2     SNIa 74 1
193 SN 2006X SN* 12 22 53.93 +15 48 32.0     15.3     SNIa 347 1
194 SN 2008ar SN* 12 24 37.921 +10 50 16.74     16.9     SNIa 69 1
195 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 612 1
196 SN 2012cg SN* 12 27 12.83 +09 25 13.2           SNIa-norm 224 1
197 SN 2004br SN* 12 31 07.80 +00 36 47.6     16.3     SNIapec 35 1
198 SN 1994M SN* 12 31 08.61 +00 36 19.6   16.31 16.24     SNIa 102 1
199 SN 1994S SN* 12 31 21.85 +29 08 04.0   14.80 14.77     SNIa 120 1
200 SN 1999cl SN* 12 31 56.01 +14 25 35.3   14.92       SNIa 125 1
201 SN 2000bk SN* 12 33 53.94 -07 22 42.9   16.98       SNIa 48 1
202 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 559 1
203 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 795 1
204 SN 1981B SN* 12 34 29.57 +02 11 59.3   11.74       SNIa 416 1
205 SN 1989M SN* 12 37 40.72 +11 49 25.5   12.56 12.2     SNIa 76 1
206 SN 2006ac SN* 12 41 44.90 +35 04 07.4     16.0     SNIa 72 1
207 ASASSN -14lp SN* 12 45 09.1 -00 27 32           SNIa-norm 75 0
208 SN 1997Y SN* 12 45 31.40 +54 44 17.0   15.28       SNIa 61 1
209 SN 2006S SN* 12 45 39.10 +35 05 12.4     17.0     SNIa 72 1
210 SN 2004gu SN* 12 46 24.72 +11 56 56.1     17.5     SNIap 56 1
211 SN 1997bp SN* 12 46 53.75 -11 38 33.2   14.15 13.79     SNIapec 96 1
212 SN 1998ab SN* 12 48 47.24 +41 55 28.3   15.94       SNIapec 76 1
213 SN 2007N SN* 12 49 01.25 -09 27 10.2     17.3     SNIap 49 1
214 SN 2005bo SN* 12 49 41.03 -11 05 47.4     15.3     SNIa 62 1
215 SN 2006D SN* 12 52 33.87 -09 46 30.7           SNIa 107 1
216 ASASSN -14bd SN* 12 52 44.8 +26 28 13           SNIa 102 0
217 SN 2012cu SN* 12 53 29.35 +02 09 39.0           SNIa-norm 29 2
218 SN 2002cf SN* 12 54 31.30 -06 51 24.8     17.0     SNIa 29 1
219 SN 2007bz SN* 12 56 53.77 +22 22 22.1       16.7   SNIa 36 1
220 SN 2008dx SN* 13 00 14.31 +27 57 16.4           SNIa 22 1
221 SN 2006bz SN* 13 00 43.38 +27 57 41.8     17.5     SNIa 36 1
222 SN 2003ai SN* 13 00 58.700 +39 51 24.66     17.0     SNIa 16 1
223 SN 2007F SN* 13 03 15.059 +50 37 07.53     17.3     SNIa 71 1
224 SN 2002G SN* 13 07 55.283 +34 05 07.08       17.7   SNIa 48 1
225 SN 2018agk SN* 13 10 36.373 -04 29 08.67           SNIa 12 0
226 SN 1996ai SN* 13 10 58.13 +37 03 35.4   16.94 15.0     SNIa 61 1
227 SN 2002dj SN* 13 13 00.34 -19 31 08.7     17.0     SNIa 134 1
228 SN 2002cx SN* 13 13 49.72 +06 57 31.9   17.68       SNIapec 240 1
229 SN 1996X SN* 13 18 01.13 -26 50 45.3   12.99 13.00     SNIa 198 1
230 SN 1997br SN* 13 20 42.40 -22 02 12.3   14.06       SNIapec 113 1
231 SN 1994T SN* 13 21 30.73 -02 08 56.5   17.31 17.15     SNIa 57 1
232 SN 2001cj SN* 13 21 44.85 +31 14 48.6     15.9     SNIa 31 1
233 SNF 20080514-002 SN* 13 29 12.84 +11 16 20.5           SNIa 47 0
234 SN 2006br SN* 13 30 01.80 +13 24 56.8     17.8     SNIa 50 1
235 iPTF 14bdn SN* 13 30 44.88 +32 45 42.4           SNIa 33 0
236 SN 2007ca SN* 13 31 05.81 -15 06 06.6     16.7     SNIa 74 1
237 SNF 20080522-000 SN* 13 36 47.61 +05 08 32.6           SNIa 26 0
238 SN 2004bk SN* 13 37 28.72 +04 06 11.3     16.0     SNIa 36 1
239 SN 1972E SN* 13 39 52.7 -31 40 09   8.49 8.30     SNIa 309 1
240 SN 2005dv SN* 13 41 04.45 +67 40 20.3     15.0     SNIa 24 1
241 SN 2006cs SN* 13 45 33.89 +35 36 36.6     17.8     SNIa 29 1
242 SN 2005al SN* 13 50 00.329 -30 34 34.21           SNIa 50 1
243 SN 1996C SN* 13 50 48.60 +49 19 07.1   16.53 16.48     SNIa 84 1
244 SN 2005cc SN* 13 57 04.850 +41 50 41.78     17.7     SNIapec: 49 1
245 SN 2011fe SN* 14 03 05.711 +54 16 25.22   10.12 10.06     SNIa-norm 747 1
246 SN 1999cp SN* 14 06 31.30 -05 26 49.0     13.91     SNIa 84 1
247 SN 2002cr SN* 14 06 37.59 -05 26 21.9     16.5     SNIa 83 1
248 SN 1997cn SN* 14 09 57.76 +17 32 32.3   17.2 16.7     SNIapec 91 1
249 SN 2007af SN* 14 22 21.03 -00 23 37.6     15.4     SNIa 185 1
250 SN 2002bz SN* 14 24 40.525 +26 37 35.30     16.9     SNIa 31 1
251 SN 2001ay SN* 14 26 17.00 +26 14 55.8     16.9     SNIap 82 1
252 SN 2017cbv SN* 14 32 34.420 -44 08 02.74           SNIa 146 0
253 SN 2006bw SN* 14 33 58.06 +03 47 50.4     16.6     SNIa 43 1
254 SN 2003du SN* 14 34 35.80 +59 20 03.8   13.46       SNIa 374 1
255 SN 2002db SN* 14 34 51.63 +48 39 52.9     17.6     SNIa 16 1
256 SN 2005bc SN* 14 37 15.050 +38 27 23.11     16.6     SNIa 41 1
257 SN 2001ck SN* 14 37 50.08 +30 29 02.2     17.2     SNIa 30 1
258 SN 2009Y SN* 14 42 23.68 -17 14 48.3           SNIa-norm 57 1
259 SN 2006cz SN* 14 48 36.66 -04 44 30.7     17.4     SNIa 32 1
260 SN 2005ag SN* 14 56 43.649 +09 19 42.49           SNIa 52 1
261 SN 2005be SN* 14 59 32.640 +16 40 11.64     16.1     SNIa 40 2
262 SN 2004bw SN* 15 03 46.75 -03 18 16.4     17.8     SNIa 36 1
263 SN 2015bp SN* 15 05 28.1 +01 38 06           SNIa-norm 39 0
264 SN 2007ba SN* 15 16 42.629 +07 23 47.80           SNIap 63 1
265 SNF 20080522-011 SN* 15 19 58.94 +04 54 16.5           SNIa 25 0
266 SN 2005cf SN* 15 21 33.12 -07 26 57.1   13.54       SNIa 301 1
267 SN 2003K SN* 15 32 01.91 +68 14 35.9     15.4     SNIa 19 1
268 SN 2002ck SN* 15 47 00.762 -00 59 24.94     16.8     SNIa 52 1
269 SN 2000cf SN* 15 52 56.19 +65 56 12.7   17.15       SNIa 57 1
270 SN 2007ap SN* 15 56 23.035 +16 30 57.92     15.5     SNIa 41 1
271 SN 2006bt SN* 15 56 33.81 +20 03 07.2     17.5     SNIap 114 1
272 SN 1991M SN* 15 58 34.82 +17 27 28.7     14.55     SNIa 66 1
273 SN 2001bp SN* 16 02 09.25 +36 43 08.0     17.5     SNIa 20 1
274 SN 1999cc SN* 16 02 42.03 +37 21 34.4   16.78       SNIa 83 1
275 SN 2000cp SN* 16 05 27.62 +17 49 48.8     18.0     SNIa 33 1
276 SN 1999ac SN* 16 07 15.01 +07 58 20.4   14.34       SNIap 144 1
277 SN 2007ai SN* 16 12 53.74 -21 37 48.7     18.0     SNIa 48 1
278 SN 2002de SN* 16 16 30.333 +35 42 30.09     16.0     SNIa 57 1
279 SN 2007bj SN* 16 22 10.59 -01 30 51.4     15.1     SNIa 21 1
280 SN 2001az SN* 16 34 27.477 +76 01 46.35     17.1     SNIa 40 1
281 SN 2002aw SN* 16 37 29.06 +40 52 50.3     16.6     SNIa 41 1
282 SN 2007gk SN* 16 45 18.22 +67 55 50.0     18.9     SNIa 12 1
283 SN 1994Q SN* 16 49 51.13 +40 25 55.8   16.35 16.31     SNIa 68 1
284 SN 2008dt SN* 16 56 30.56 +27 58 33.2           SNIa 23 1
285 SN 2001cp SN* 17 11 02.58 +05 50 26.8     16.5     SNIa 45 1
286 SN 2002er SN* 17 11 29.88 +07 59 44.8   14.25       SNIa 144 1
287 SN 2010gn SN* 17 17 50.11 +40 52 52.6   16.81 16.78     SNIa 32 1
288 SN 2003U SN* 17 22 45.630 +62 09 50.65     18.0     SNIa 55 1
289 SN 1999da SN* 17 35 22.96 +60 48 49.3   16.84       SNIa 68 1
290 SN 2003fa SN* 17 44 07.734 +40 52 51.09     18.6     SNIa 56 2
291 SN 2005ao SN* 17 44 49.64 +61 54 28.1     16.7     SNIa 26 1
292 SN 1998bp SN* 17 54 50.74 +18 19 50.5   15.73       SNIa 77 1
293 SN 2000cn SN* 17 57 40.42 +27 49 58.1   16.82       SNIa 83 1
294 SN 2001bf SN* 18 01 33.99 +26 15 02.3     16.5     SNIa 48 1
295 SN 2005de SN* 18 02 23.359 +26 03 07.70     18.1     SNIa 48 1
296 SN 2002cu SN* 18 10 50.40 +31 06 32.3     17.6     SNIa 26 1
297 SN 1998dx SN* 18 11 11.89 +49 51 40.7   17.71       SNIa 52 1
298 SN 2002dk SN* 18 17 43.52 +22 14 53.4     18.0     SNIa 22 1
299 SN 2000dm SN* 18 18 58.97 +16 14 53.4     16.1     SNIa 37 1
300 SN 1998V SN* 18 22 37.40 +15 42 08.4   15.07       SNIa 72 1
301 SN 2007co SN* 18 23 03.60 +29 53 49.6 17.1 17.1 17.0     SNIa 72 1
302 SN 2001br SN* 18 30 25.55 +34 06 13.0     16.6     SNIa 38 1
303 SN 2006bq SN* 18 39 58.68 +39 58 50.8     15.8     SNIa 48 1
304 SN 2002cs SN* 18 46 59.96 +45 42 19.7     16.3     SNIa 43 1
305 SN 2000cu SN* 19 24 20.95 -25 59 04.1     16.2     SNIa 22 1
306 SN 2002do SN* 19 56 12.88 +40 26 10.8     16.3     SNIa 34 1
307 SN 2006eu SN* 20 02 51.15 +49 19 02.3     17.4     SNIa 28 1
308 SN 2002et SN* 20 08 31.02 -25 27 37.5     16.5     SNIa 12 1
309 SN 2002cd SN* 20 23 34.42 +58 20 47.4     17.5     SNIa 42 1
310 SN 2004eo SN* 20 32 54.19 +09 55 42.7   15.07 17.8     SNIa 225 1
311 SN 2003gt SN* 20 32 59.12 +09 52 19.3     16.4     SNIa 33 1
312 SN 2004fu SN* 20 35 11.54 +64 48 25.7     16.8     SNIa 33 1
313 SN 2000E SN* 20 37 13.77 +66 05 50.2   12.85       SNIa 97 1
314 SN 2002df SN* 20 45 39.33 -04 57 04.7     17.4     SNIa 15 1
315 SN 2002ha SN* 20 47 18.596 +00 18 45.36     17.3     SNIa 89 1
316 SN 2002el SN* 20 56 30.09 -18 33 34.3     17.6     SNIa 40 1
317 SN 2006cm SN* 21 20 17.460 -01 41 02.69     16.6     SNIa 47 1
318 SN 2001fh SN* 21 20 42.50 +44 23 53.2     17.2     SNIapec 33 1
319 SN 2006oa SN* 21 23 42.960 -00 50 35.02           SNIa 48 1
320 SN 2006eq SN* 21 28 37.13 +01 13 41.2           SNIa 48 1
321 SN 2006ev SN* 21 30 59.26 +13 59 21.2           SNIa 44 1
322 SN 2007fr SN* 21 37 08.3 +00 26 47           SNIa 26 1
323 PTF 10ops SN* 21 47 33.57 +05 51 30.3           SNIa 35 0
324 SN 1998co SN* 21 47 36.24 -13 10 52.3     16     SNIa 31 1
325 SN 2004ey SN* 21 49 07.81 +00 26 39.2     16.0     SNIa 78 1
326 SN 2007fs SN* 22 01 40.44 -21 30 29.6     15.4     SNIa 24 1
327 SN 2007cq SN* 22 14 40.41 +05 04 48.6     15.8     SNIa 72 1
328 SN 1999ee SN* 22 16 09.40 -36 50 31.5   14.85       SNIa 201 1
329 SN 2008ei SN* 22 17 33.25 +33 15 21.3           SNIa 19 1
330 SN 2013dy SN* 22 18 17.5 +40 34 09           SNIa-norm 128 0
331 SN 2002eb SN* 22 19 05.24 +24 35 39.8     18.5     SNIa 40 1
332 SN 2002jg SN* 22 19 28.80 +29 23 04.5     17.0     SNIa 37 1
333 SN 2002dl SN* 22 20 53.96 +33 17 33.7     17.7     SNIapec 30 1
334 SN 2006gr SN* 22 32 22.67 +30 49 43.3     18.8     SNIa 69 1
335 SN 2003gn SN* 22 33 51.68 +20 48 08.5     18.4     SNIa 32 1
336 SN 2005kc SN* 22 34 07.34 +05 34 06.3     18.2     SNIa 89 1
337 SN 1998eg SN* 22 39 30.29 +08 36 20.6   16.11       SNIa 68 1
338 SN 2006py SN* 22 41 41.997 -00 08 12.90           SNIa 46 1
339 SN 2004ef SN* 22 42 10.020 +19 59 39.88           SNIa 107 1
340 SN 1995ac SN* 22 45 34.14 -08 45 04.7   17.23 17.10     SNIapec 87 2
341 SN 2005er SN* 22 50 00.84 +11 37 05.7     18.7     SNIapec 17 1
342 SN 2003gq SN* 22 53 20.68 +32 07 57.6     17.6     SNIapec 41 1
343 SN 1997dt SN* 23 00 02.930 +15 58 50.92           SNIa 58 1
344 SN 2007hj SN* 23 01 47.89 +15 35 11.4     15.9     SNIa 59 1
345 SN 2008ec SN* 23 03 16.560 +08 52 19.81           SNIa 64 1
346 SN 2000dn SN* 23 05 05.86 -03 12 01.0     17.9     SNIa 49 1
347 SN 2006en SN* 23 10 05.06 +30 13 24.0     15.8     SNIa 45 1
348 SN 2001ic SN* 23 10 43.34 +07 34 10.4     17.4     SNIa 35 1
349 SN 1998dh SN* 23 14 40.31 +04 32 14.1   13.85       SNIa 92 1
350 SN 2000ey SN* 23 19 25.0 +05 54 21           SNIa 11 1
351 SN 2002dp SN* 23 28 30.102 +22 25 38.06     15.1     SNIa 61 1
352 SN 2008ha SN* 23 34 52.69 +18 13 35.4           SNIax 203 1
353 SN 2007le SN* 23 38 48.45 -06 31 21.7     15.2     SNIa 139 1
354 SN 2006dm SN* 23 41 47.839 -03 40 08.40     17.3     SNIa 43 1
355 SN 2000cw SN* 23 47 25.10 +28 23 15.8     17.4     SNIa 33 1
356 SN 2007cs SN* 23 49 39.00 +29 55 52.1     15.9     SNIa 15 1
357 SN 2002ef SN* 23 51 29.54 -13 22 46.4     16.5     SNIa 30 1
358 SN 2001da SN* 23 53 32.78 +08 07 02.6     16.5     SNIa 58 1
359 SN 2007qe SN* 23 54 12.98 +27 24 33.0     17.4     SNIa 52 1
360 LSQ 12gdj SN* 23 54 43.32 -25 40 34.0           SNIa 40 1
361 SN 2014ek SN* 23 56 06.55 +29 22 42.3           SNIa 15 0
362 SN 2007fb SN* 23 56 52.37 +05 30 31.8     15.7     SNIa 46 1
363 SN 2003he SN* 23 58 57.05 -02 14 53.1     18.7     SNIa 30 1

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