2017ApJ...850...89G


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.18CEST03:26:44

2017ApJ...850...89G - Astrophys. J., 850, 89-89 (2017/November-3)

Type II supernova spectral diversity. I. Observations, sample characterization, and spectral line evolution.

GUTIERREZ C.P., ANDERSON J.P., HAMUY M., MORRELL N., GONZALEZ-GAITAN S., STRITZINGER M.D., PHILLIPS M.M., GALBANY L., FOLATELLI G., DESSART L., CONTRERAS C., DELLA VALLE M., FREEDMAN W.L., HSIAO E.Y., KRISCIUNAS K., MADORE B.F., MAZA J., SUNTZEFF N.B., PRIETO J.L., GONZALEZ L., CAPPELLARO E., NAVARRETE M., PIZZELLA A., RUIZ M.T., SMITH R.C. and TURATTO M.

Abstract (from CDS):

We present 888 visual-wavelength spectra of 122 nearby type II supernovae (SNe II) obtained between 1986 and 2009, and ranging between 3 and 363 days post-explosion. In this first paper, we outline our observations and data reduction techniques, together with a characterization based on the spectral diversity of SNe II. A statistical analysis of the spectral matching technique is discussed as an alternative to nondetection constraints for estimating SN explosion epochs. The time evolution of spectral lines is presented and analyzed in terms of how this differs for SNe of different photometric, spectral, and environmental properties: velocities, pseudo-equivalent widths, decline rates, magnitudes, time durations, and environment metallicity. Our sample displays a large range in ejecta expansion velocities, from ∼9600 to ∼1500 km s–1 at 50 days post-explosion with a median Hα value of 7300 km s–1. This is most likely explained through differing explosion energies. Significant diversity is also observed in the absolute strength of spectral lines, characterized through their pseudo-equivalent widths. This implies significant diversity in both temperature evolution (linked to progenitor radius) and progenitor metallicity between different SNe II. Around 60% of our sample shows an extra absorption component on the blue side of the Hα P-Cygni profile ("Cachito" feature) between 7 and 120 days since explosion. Studying the nature of Cachito, we conclude that these features at early times (before ∼35 days) are associated with Si II λ6355, while past the middle of the plateau phase they are related to high velocity (HV) features of hydrogen lines.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): supernovae: general - surveys - techniques: photometric - techniques: spectroscopic - techniques: spectroscopic

Status at CDS : Large table(s) of objects being ingested in VizieR.

Simbad objects: 252

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Number of rows : 252

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 UGC 327 GiP 00 33 15.441 +07 54 18.45   15.7       ~ 29 0
2 SN 2003ip SN* 00 33 16.76 +07 54 19.5     16.5     SNII 15 1
3 SN 1990K SN* 00 34 13.98 -27 47 45.9     14     SNII 57 1
4 NGC 150 EmG 00 34 15.4718877833 -27 48 12.767534106   12.04 11.13 10.92 11.7 ~ 181 0
5 SN 2008gr SN* 00 45 32.28 -26 34 20.2           SNIIP 15 1
6 IC 1579 G 00 45 32.463 -26 33 55.78   14.99   13.83   ~ 20 0
7 MCG+00-03-054 LIN 01 01 16.8155724693 -01 05 51.951137374   15.5       ~ 10 0
8 SN 1992am SN* 01 25 02.76 -04 39 00.9   18.5 18.5     SNIIP 54 1
9 MCG-01-04-039 GiC 01 25 04.3340806256 -04 38 59.129618911   15   14.43   ~ 23 0
10 IC 1704 GiG 01 27 09.534 +14 46 34.52   14.2       ~ 44 0
11 SN 2007il SN* 01 27 09.75 +14 46 46.5     18.4     SNII 23 1
12 ESO 244-31 G 01 30 05.411 -42 41 10.70   14.04   12.83   ~ 40 0
13 SN 2005me SN* 01 30 09.22 -42 41 07.0     17.5     SNII 18 1
14 SN 2002ig SN* 01 36 36.72 +00 55 25.6           SNII 11 1
15 Anon J013636+0055 G 01 36 37.228 +00 55 24.91           ~ 5 1
16 M 74 G 01 36 41.772 +15 47 00.46 10.52 10.00 9.46 9.16   ~ 1470 1
17 SN 2003gd SN* 01 36 42.65 +15 44 19.9     13.2     SNIIP 223 2
18 IC 1720 GiG 01 40 21.5638590328 -28 54 45.841681494   13.71   12.60   ~ 32 0
19 SN 2008hg SN* 01 40 22.39 -28 55 05.1           SNIIP 13 1
20 SN 2003hd SN* 01 49 46.31 -21 54 37.8     17.4     SNII 21 1
21 ESO 543-17 EmG 01 49 47.124 -21 54 26.95   15.03       ~ 31 0
22 NGC 701 GiG 01 51 03.848 -09 42 09.32   12.8   11.59 12.6 ~ 166 0
23 SN 2004fc SN* 01 51 03.85 -09 42 06.9     15.5     SNIIP 26 1
24 NGC 772 GiP 01 59 19.5556685548 +19 00 27.476398641 11.35 11.09 10.31 10.23 9.38 ~ 310 1
25 SN 2003iq SN* 01 59 19.96 +18 59 42.1     16.4     SNII 31 1
26 SN 2003hl SN* 01 59 21.28 +19 00 14.5     16.5     SNII 35 1
27 NGC 774 LIN 01 59 34.7356271470 +14 00 29.558316999   13.97       ~ 66 1
28 SN 2006ee SN* 01 59 35.40 +14 00 19.6     17.6     SNII 25 1
29 SN 2008il SN* 02 17 53.07 -34 47 53.4           SNII 12 1
30 ESO 355-4 EmG 02 17 54.9515543976 -34 48 11.505102858   14.44   13.63   ~ 25 0
31 SN 2002gw SN* 02 25 02.97 -24 47 50.6     17.3     SNII 28 1
32 SN 2008ho SN* 02 25 04.00 -24 48 02.4           SNIIP 15 1
33 NGC 922 EmG 02 25 04.400 -24 47 17.46   12.54 12.21 11.84   ~ 130 0
34 UGCA 36 G 02 36 58.631 -05 20 57.16   13   12.95   ~ 40 0
35 SN 2004er SN* 02 36 59.04 -05 21 19.7     17.0     SNII 31 1
36 SN 1990E SN* 02 39 29.1 -08 08 14     15.2     SNIIP 90 1
37 NGC 1035 EmG 02 39 29.136 -08 08 01.11   12.89   13.0 12.6 ~ 165 1
38 SN 2008gi SN* 02 44 00.33 +05 25 42.8           SNII 20 1
39 2MASX J02440034+0525477 GiP 02 44 00.342 +05 25 47.74   14.9       ~ 21 0
40 SN 2003B SN* 02 46 13.78 -30 13 45.1     15.0     SNIIP 36 2
41 NGC 1097 LIN 02 46 19.059 -30 16 29.68 10.46 9.97 9.48 8.72 9.8 ~ 1211 3
42 NGC 1085 GiG 02 46 25.3124169503 +03 36 26.113339681   13.6       ~ 96 0
43 SN 2003hk SN* 02 46 25.69 +03 36 32.3     17.6     SNII 22 1
44 IC 1861 G 02 53 06.9898757094 +25 29 25.785730125   14.70       ~ 44 0
45 SN 1999eg SN* 02 53 08.39 +25 29 24.2     17.5     SNII 17 1
46 MCG-01-08-015 G 02 54 54.107 -06 22 23.76   14   12.78   ~ 30 0
47 SN 2008F SN* 02 54 55.11 -06 21 56.7     18.4     SNIIP 18 1
48 SN 2002hj SN* 02 58 09.34 +04 41 03.8     17.4     SNII 20 1
49 LEDA 3092113 G 02 58 09.503 +04 41 11.32           ~ 15 1
50 NGC 1448 GiG 03 44 31.915 -44 38 41.38   11.46   10.24 10.9 ~ 231 0
51 SN 2003hn SN* 03 44 36.1 -44 37 49     14.1     SNIIP 52 1
52 SN 2005dx SN* 04 04 28.85 -17 54 27.5     18.6     SNII 18 1
53 ESO 550-2 G 04 04 29.6944665714 -17 54 16.102641367   15.34   14.10   ~ 30 0
54 SN 1986L SN* 04 17 29.4 -62 47 04     13.3     SNIIP 50 1
55 NGC 1559 GiG 04 17 35.7501219046 -62 47 01.225146010   11.19 10.45 10.11 10.4 ~ 238 1
56 SN 2003E SN* 04 39 10.88 -24 10 36.5     17.0     SNII 26 1
57 ESO 485-4 G 04 39 11.5 -24 10 48   15.93   14.69 15.2 ~ 45 0
58 SN 1999em SN* 04 41 27.04 -02 51 45.2   13.79 13.7     SNIIP 602 1
59 NGC 1637 AGN 04 41 28.229 -02 51 28.94   11.4   11.0 11.3 ~ 383 0
60 SN 2008ga SN* 04 45 24.00 +18 24 25.1           SNII 14 1
61 2MASX J04452556+1825050 LSB 04 45 25.569 +18 25 05.02           ~ 12 0
62 SN 2007U SN* 05 05 07.13 -18 59 19.9     17.5     SNII 14 1
63 ESO 552-65 G 05 05 08.231 -18 59 11.27   15.47   14.44   ~ 20 0
64 MCG-02-14-003 GiG 05 11 07.897 -09 23 20.01   14.18   13.19 13.4 ~ 49 0
65 SN 2004fx SN* 05 11 11.67 -09 23 31.6     16.9     SNII 25 1
66 SN 2007Z SN* 05 15 42.68 +19 21 49.5     17.5     SNII 6 1
67 2MASX J05154347+1921467 GiG 05 15 43.4283351802 +19 21 46.708142568           ~ 22 0
68 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4586 2
69 SN 1992ba SN* 05 41 47.10 -64 18 00.7     14     SNIIP 46 1
70 NGC 2082 GiG 05 41 51.0895969219 -64 18 03.829698378   12.79   11.45 11.6 ~ 89 0
71 ESO 121-26 G 06 21 38.7257718183 -59 44 23.778712144   12.58   11.54 12.2 ~ 66 0
72 SN 2008M SN* 06 21 41.28 -59 43 45.4     15.5     SNIIP 29 1
73 NGC 2223 GiG 06 24 35.885 -22 50 17.70   12.46   11.18 11.9 ~ 85 0
74 SN 1993K SN* 06 24 37.8 -22 49 50     14.5     SNII 23 1
75 SN 2006Y SN* 07 13 17.19 -51 41 18.8     17.7     SNII 23 1
76 Anon J071317-5141 G 07 13 17.37 -51 41 24.0           ~ 4 0
77 SN 2006bc SN* 07 21 16.50 -68 59 57.3   17.6 16.0     SNIIP 39 1
78 NGC 2397 GiG 07 21 19.8919381967 -69 00 05.014032981   12.85   11.57   ~ 83 0
79 SN 2006ai SN* 07 29 52.16 -84 02 20.5     16.2     SNII 20 1
80 ESO 5-9 G 07 29 55.3 -84 02 25   15.52   14.63   ~ 13 0
81 SN 1993A SN* 07 39 17.3 -62 03 14   18.5 18.5     SNII 22 1
82 2MASX J07391822-6203095 G 07 39 18.2642682959 -62 03 09.252405838   16.54   15.42   ~ 8 0
83 SN 2002hx SN* 08 27 39.43 -14 47 15.7     18.3     SNII 18 1
84 LEDA 23727 G 08 27 39.760 -14 46 55.12   15.60   14.37   ~ 22 0
85 SN 2008W SN* 08 36 19.22 -20 16 52.5     17.5     SNIIP 18 1
86 ESO 562-22 GiG 08 36 19.830 -20 17 07.05   15.8       ~ 23 0
87 SN 2006qr SN* 08 38 01.15 -09 49 06.1     17.9     SNII 21 1
88 MCG-02-22-023 EmG 08 38 01.3701699278 -09 49 10.591813368   15   13.57   ~ 35 0
89 NGC 2642 EmG 08 40 44.3749369829 -04 07 18.046712715   12.6   11.79 12.3 ~ 71 0
90 SN 2008bh SN* 08 40 46.15 -04 07 09.3           SNII 20 1
91 SN 2007sq SN* 08 47 16.13 -20 01 27.6     17.9     SNIIP 14 1
92 ESO 563-21 EmG 08 47 16.981 -20 02 08.38   13.5   12.47 12.7 ~ 71 0
93 SN 2003T SN* 09 14 11.06 +16 44 48.0     18.1     SNII 31 1
94 UGC 4864 LIN 09 14 12.7547896471 +16 44 32.343421510   14.7       ~ 46 0
95 MCG-01-24-010 EmG 09 20 21.943 -07 52 50.37   13.93   13.05 13.2 ~ 36 0
96 SN 2008if SN* 09 20 23.47 -07 52 33.1           SNII 21 1
97 NGC 2923 GiG 09 36 03.823 +16 45 37.38   15.2       ~ 16 0
98 SN 2005K SN* 09 36 04.31 +16 45 46.8     17.8     SNII 17 1
99 NGC 2939 rG 09 38 07.891 +09 31 26.08   13.5       ~ 69 0
100 SN 2009ao SN* 09 38 08.54 +09 31 00.7           ~ 19 1
101 ESO 499-5 EmG 09 47 13.3842132941 -24 50 22.803199039   13.79   12.56 12.9 ~ 45 0
102 SN 2008H SN* 09 47 13.45 -24 50 25.8     17.4     SNIIP 12 1
103 SN 2008br SN* 09 55 07.67 -33 08 22.7           SNII 18 1
104 IC 2522 EmG 09 55 08.969 -33 08 13.78   12.60   11.93 12.3 ~ 68 0
105 SN 2007P SN* 09 58 56.41 -18 49 11.4     18.0     SNII: 13 1
106 ESO 566-36 G 09 58 56.7166693294 -18 49 06.419885703   15.65   14.48   ~ 16 0
107 SN 2008bp SN* 10 00 01.57 -31 33 21.8           SNIIP 17 1
108 SN 2004ej SN* 10 00 02.84 -31 33 25.5     16.1     SNII 20 1
109 NGC 3095 GiG 10 00 05.8037684890 -31 33 09.714480192   12.45 11.58 12.2 11.7 ~ 82 0
110 2MASX J10023529-2110531 G 10 02 35.295 -21 10 53.17   16.57   15.64   ~ 16 1
111 SN 2003bn SN* 10 02 35.51 -21 10 54.5     16.7     SNII 21 1
112 SN 1999ca SN* 10 05 22.95 -34 12 41.0       17   SNII 21 1
113 NGC 3120 EmG 10 05 23.0158437952 -34 13 11.888231406   13.53   12.40 12.8 ~ 57 0
114 SN 1999gi SN* 10 18 16.66 +41 26 28.2   14.8       SNIIP 211 1
115 NGC 3279 GiG 10 34 42.792 +11 11 50.08   14.10       ~ 89 0
116 SN 2007av SN* 10 34 43.18 +11 11 39.1     15.5     SNIIP 25 1
117 SN 2012aw SN* 10 43 53.735 +11 40 17.63       15   SNIIP 152 1
118 SN 2005Z SN* 10 45 09.18 +22 04 38.3     16.7     SNII 21 1
119 NGC 3363 rG 10 45 09.430 +22 04 42.51   14.7       ~ 39 0
120 MAPS-NGP O-4320-786358 G 11 04 45.432 +15 26 50.43           ~ 7 1
121 SN 2003dq SN* 11 04 45.44 +15 26 49.4     18.9     SNII 12 1
122 IC 672 GiG 11 08 03.2078403992 -12 29 02.839428538   15   14.15   ~ 19 0
123 SN 2005lw SN* 11 08 03.21 -12 29 09.4     18.8     SNII 19 1
124 SN 2003ci SN* 11 10 23.83 +04 49 35.9     17.5     SNII 21 1
125 UGC 6212 BiC 11 10 24.547 +04 49 48.63   14.0   13.60   ~ 54 1
126 SN 2006V SN* 11 31 30.01 -02 17 52.2     18.0     SNII 29 1
127 ESO 504-5 G 11 38 10.034 -23 25 43.67   14.79   14.07   ~ 21 0
128 SN 2008K SN* 11 38 10.54 -23 25 36.1     17.7     SNII 16 1
129 SN 2006bp SN* 11 53 55.74 +52 21 09.4 14.5 15.8 14.7     SNIIP 159 1
130 NGC 4012 G 11 58 27.5189155104 +10 01 17.325178044   14.6       ~ 51 0
131 SN 2005J SN* 11 58 28.54 +10 01 09.2     16.5     SNII 24 1
132 NGC 4030 GiP 12 00 23.6122434029 -01 06 00.223672461   11.42   10.3 10.4 ~ 304 1
133 SN 2007aa SN* 12 00 27.69 -01 04 51.6 16.9 16.4 5.8     SNIIP 51 1
134 M 61 Sy2 12 21 54.9275149050 +04 28 25.588335799 10.07 10.18 9.65     ~ 903 2
135 SN 2008in SN* 12 22 01.77 +04 28 47.5           SNIIP 80 1
136 SN 1979C SN* 12 22 58.58 +15 47 52.7   11.6       SNIIL 555 1
137 ESO 506-11 GiG 12 28 27.345 -24 38 12.45   15.26   13.79   ~ 25 0
138 SN 2005an SN* 12 28 27.35 -24 38 02.4     17.3     SNII: 23 1
139 NGC 4487 GiG 12 31 04.4737580846 -08 03 14.545380600   11.7   11.9 11.6 ~ 158 0
140 SN 2009N SN* 12 31 09.46 -08 02 56.3           SNIIP 76 1
141 SN 1988A SN* 12 37 43.52 +11 48 19.5     13.5     SNIIP 105 1
142 M 58 SyG 12 37 43.597 +11 49 05.12 10.80 10.48 9.66     ~ 993 2
143 SN 2003ej SN* 12 39 11.10 +00 43 30.4     16.5     SNII 19 1
144 UGC 7820 G 12 39 11.383 +00 43 02.87   15.322   14.298   ~ 42 0
145 NGC 4708 GiG 12 49 41.484 -11 05 35.09   14   12.60   ~ 60 0
146 SN 2003ef SN* 12 49 42.25 -11 05 29.5     16.3     SNII 30 1
147 NGC 4727 G 12 50 57.231 -14 19 58.81   18.21   12.08   ~ 35 1
148 SN 2003eg SN* 12 50 58.33 -14 20 01.1     15.8     SNII 12 1
149 ESO 443-21 EmG 12 59 45.894 -29 36 00.98   14.45   13.30 13.9 ~ 62 0
150 SN 2009au SN* 12 59 46.00 -29 36 07.5           SNIIn 20 1
151 NGC 4900 EmG 13 00 39.1189337687 +02 30 05.164657273   12.8       ~ 231 0
152 SN 1999br SN* 13 00 41.80 +02 29 45.8     17.5     SNIIPp 154 1
153 LEDA 45053 G 13 02 58.269 +10 30 14.17   15.6       ~ 20 0
154 SN 2008bm SN* 13 02 58.75 +10 30 27.0           SNIIn 16 1
155 SN 2008aw SN* 13 04 14.11 -10 19 12.9     15.9     SNII 25 1
156 NGC 4939 Sy2 13 04 14.3281622249 -10 20 22.316482221   14.81 13.80 10.92   ~ 272 1
157 SN 2005af SN* 13 04 44.06 -49 33 59.8     12.8     SNIIP 51 1
158 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1316 2
159 SN 2003cn SN* 13 07 37.05 -00 56 49.9     18.1     SNII 23 1
160 IC 849 rG 13 07 38.6964550555 -00 56 32.935049645   14.0       ~ 52 0
161 SN 1999cr SN* 13 20 18.34 -20 08 52.0     18.0     SNIIP 25 1
162 ESO 576-34 LSB 13 20 18.354 -20 08 52.69   16.02   15.22   ~ 21 0
163 SN 2007W SN* 13 21 48.50 -13 12 56.9     17.1     SNII 17 1
164 NGC 5105 LSB 13 21 49.0848982049 -13 12 24.456016063   13.3   12.52 12.8 ~ 56 0
165 SN 2005cs SN* 13 29 53.37 +47 10 28.2   14.5       SNIIP 349 1
166 SN 1968L SN* 13 37 00.42 -29 51 59.8   12.0 12.0     SNIIP 80 1
167 ESO 221-18 G 13 56 45.0234955258 -48 29 50.111856063   14.60   13.90 14.3 ~ 14 0
168 SN 2009aj SN* 13 56 45.33 -48 29 36.2           ~ 14 1
169 SN 2003cx SN* 13 57 06.46 -17 02 22.6     19.1     SNII 14 1
170 [WAN2003r] J135706.53-170220.0 G 13 57 06.53 -17 02 20.0           ~ 7 1
171 NGC 5374 rG 13 57 29.627 +06 05 48.74   13.7       ~ 73 0
172 SN 2003bl SN* 13 57 30.65 +06 05 36.4     18.4     SNII 26 1
173 UGC 9121 GiG 14 15 11.741 +15 44 32.07   14.8       ~ 35 0
174 SN 2007bf SN* 14 15 12.05 +15 44 11.8     17.8     SNIIP 8 1
175 SN 2007it SN* 14 18 25.63 -43 22 53.8     13.5     SNII 41 1
176 NGC 5530 G 14 18 27.2 -43 23 18   11.78 11.00 10.84 11.4 ~ 73 0
177 ESO 385-32 G 14 30 11.9235565173 -36 57 51.590802747   13.32   12.08   ~ 41 0
178 SN 2007X SN* 14 30 14.50 -36 57 53.1     15.3     SNII 14 1
179 UGC 9814 G 15 19 25.129 +11 03 15.24   14.7       ~ 33 0
180 SN 2009bz SN* 15 19 26.04 +11 03 30.1           SNIIP 18 1
181 SN 2006bl SN* 15 39 50.62 +14 11 21.3     17.3     SNII 20 1
182 MCG+02-40-009 G 15 39 50.6958562387 +14 11 14.632941819   14.9       ~ 26 0
183 SN 2006be SN* 15 45 39.00 +28 05 19.2     15.4     SNIIP 26 1
184 IC 4582 G 15 45 39.412 +28 05 19.37   14.9       ~ 61 0
185 SN 2000cb SN* 16 01 32.15 +01 42 23.0     18.0     SNII 49 1
186 SN 2009W SN* 16 23 45.60 +11 44 07.0           ~ 11 1
187 Anon J162347+1144 G 16 23 46.798 +11 44 23.27           ~ 8 0
188 SN 2008bu SN* 16 47 23.05 -20 08 48.2           SNII 17 1
189 ESO 586-2 G 16 47 25.0 -20 08 30   16.18   17.43 14.9 ~ 35 0
190 SN 2007ab SN* 16 51 29.13 -03 05 33.6     17.8     SNII 16 1
191 UGCA 414 EmG 16 51 32.307 -03 05 46.90   13.6   12.52 13.5 ~ 30 0
192 SN 2006au SN* 17 57 13.56 +12 11 03.2     17.2     SNII 22 1
193 SN 2008ag SN* 18 39 52.38 -67 25 59.0     16.7     SNIIP 19 1
194 IC 4729 Sy2 18 39 56.396 -67 25 32.54   13.59   11.84 13.0 ~ 45 0
195 IC 4882 GiG 19 40 23.2873108138 -55 11 49.094729839   14.61   12.95   ~ 20 0
196 SN 2005dk SN* 19 40 23.71 -55 12 05.1     17.8     SNII 17 1
197 2MASX J19422191-5506275 G 19 42 21.8 -55 06 18           ~ 15 0
198 SN 1991al SN* 19 42 24.07 -55 06 23.5   16.0 16     SNIIP 27 1
199 NGC 6861 GiP 20 07 19.482 -48 22 12.94   12.01 11.10 10.43   ~ 166 0
200 SN 2005dn SN* 20 11 11.73 -48 16 35.5     15.0     SNII 14 1
201 UGC 11522 GiG 20 11 49.365 +05 45 49.39   14.8       ~ 35 0
202 SN 2003fb SN* 20 11 50.33 +05 45 37.6     18.6     SNII 21 1
203 ESO 340-7 GiG 20 15 25.4418330225 -37 30 43.116748214   14.03   13.11   ~ 25 0
204 SN 2004fb SN* 20 15 25.63 -37 30 34.6     18.3     SNII 11 1
205 ESO 340-38 G 20 30 38.818 -42 18 32.69   15.04   14.62   ~ 16 0
206 SN 1992af SN* 20 30 40.25 -42 18 35.2   17.5 17.5     SNIIP 27 1
207 ESO 528-18 G 20 33 30.9647304559 -24 37 26.340290415   15.02   13.74   ~ 20 0
208 SN 2003ib SN* 20 33 30.98 -24 37 15.0     17.6     SNII 14 1
209 SN 2004et SN* 20 35 25.33 +60 07 17.7   12.88       SNIIP 426 1
210 SN 1980K SN* 20 35 30.07 +60 06 23.7   11.6       SNIIL 439 1
211 NGC 6935 GiP 20 38 20.1982258325 -52 06 37.886321127   12.77 12.10 11.57   ~ 59 0
212 SN 2006ms SN* 20 38 20.52 -52 06 55.9     17.3     SNII 16 1
213 SN 2006it SN* 20 43 51.38 +12 30 30.9     17.6     SNIIP 17 1
214 NGC 6956 GiG 20 43 53.7237958729 +12 30 42.871008601   13.5       ~ 43 0
215 Anon J204929+0000 G 20 49 29.405 +00 00 16.89           ~ 6 0
216 SN 2007ld SN* 20 49 29.59 +00 00 14.0   19.23 18.32 18.01 17.86 SNIIP 20 1
217 Anon J205221+0208 G 20 52 21.515 +02 08 42.71           ~ 8 1
218 SN 2002fa SN* 20 52 21.78 +02 08 41.9     19.4     SNII 15 1
219 6dFGS gJ205430.5-000823 G 20 54 30.455 -00 08 20.95   16.61   15.47   ~ 12 0
220 SN 2002ew SN* 20 54 30.50 -00 08 26.0     17.8     SNII 19 1
221 SN 2007hm SN* 20 57 55.47 -07 23 24.1       18.3   SNII 17 1
222 LEDA 1019799 G 20 57 55.637 -07 23 24.81           ~ 6 0
223 SN 2005gz SN* 21 05 20.69 -07 50 47.5     18.3     SNII: 12 1
224 MCG-01-53-022 EmG 21 05 20.7285403825 -07 50 44.876758966   14.63   13.87   ~ 20 0
225 ESO 235-58 G 21 06 28.411 -48 07 15.79   15.19   14.06 13.9 ~ 46 0
226 SN 2003ho SN* 21 06 30.56 -48 07 29.9     18.6     SNII 16 1
227 SN 2004dy SN* 21 11 30.13 -02 02 13.3     19.4     SNII 16 1
228 IC 5090 EmG 21 11 30.469 -02 01 57.29   14.5       ~ 42 0
229 ESO 467-23 EmG 22 13 31.355 -27 33 28.65   13.76   12.62   ~ 44 0
230 SN 2005dw SN* 22 13 31.83 -27 33 19.6     16.7     SNII 15 1
231 6dFGS gJ225223.9-401843 G 22 52 23.906 -40 18 43.23   15.72       ~ 21 0
232 SN 1993S SN* 22 52 24.1 -40 18 43     17.5     SNII 21 1
233 NGC 7408 GiG 22 55 56.8300856753 -63 41 40.813463246   13.35 15.41 12.32 13.0 ~ 40 0
234 SN 2009bu SN* 22 56 01.40 -63 41 39.6           SNIIP 14 1
235 NGC 7418 EmG 22 56 36.1166178933 -37 01 47.864757835   11.66 11.39 10.66 11.3 ~ 152 1
236 SN 2007oc SN* 22 56 41.77 -36 46 22.3     13.6     SNIIP 18 1
237 NGC 7537 GiP 23 14 34.515 +04 29 54.43   13.8       ~ 200 0
238 SN 2002gd SN* 23 14 37.01 +04 30 06.1     16.7     SNII 52 1
239 2MASX J23211915+0015329 G 23 21 19.188 +00 15 32.79           ~ 11 0
240 SN 2006iw SN* 23 21 19.48 +00 15 35.1   19.82 18.97 18.56 18.31 SNIIP 29 1
241 SN 2005dt SN* 23 23 38.32 -19 00 24.5     18.5     SNII 16 1
242 ESO 605-4 G 23 23 38.416 -19 00 35.07   14.67   13.58   ~ 31 0
243 SN 2005es SN* 23 25 47.62 +08 02 17.3     18.4     SNII 18 1
244 MCG+01-59-079 G 23 25 47.7975305434 +08 02 25.623423218   15.4       ~ 18 0
245 UGC 12717 G 23 38 36.6986572679 +05 26 01.135121220   15.3       ~ 24 0
246 SN 2005dz SN* 23 38 38.33 +05 26 17.3     18     SNII 28 1
247 SN 2003hg SN* 23 51 24.13 +20 06 38.3     16.9     SNII 27 1
248 NGC 7771 GiG 23 51 24.880 +20 06 42.57 13.42 13.08 12.25     ~ 317 4
249 UGC 12846 G 23 55 46.025 +18 25 33.60   17       ~ 50 0
250 SN 2007od SN* 23 55 48.68 +18 24 54.8       14.4   SNIIP 113 1
251 NGC 7793 GiG 23 57 49.7533807411 -32 35 27.708304655 10.26 9.74 9.28 9.06 9.7 ~ 967 2
252 SN 2008bk SN* 23 57 50.42 -32 33 21.5           SNIIP 108 2

    Equat.    Gal    SGal    Ecl

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2021.05.18-03:26:44

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