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Table A.1.

Spectral log and Fe II velocity measurements.

SN Icn⟨Na JD UT Date Telescope Wavelength range Phase [Rest-frame days] Fe II Velocity TBB
[yyyymmdd] (Å) [since r-band maximum] (km s−1) (K)
10bzf 3 2455256.5 20100301 GeminiN 3501–9652 −5 21660(1501) 8121(32)
10bzf 2455262.5 20100307 Keck 1 3050–10200 1 17664(1541) 7895(111)

10ciw 2–3 2455262.5 20100307 Keck 1 3342–10239 0 21334(8208) 7362(57)

10gvb 3 2455322.9 20100506 Keck 1 3500–10000 −13 ... 13885(38)
10gvb 2455331.5 20100515 Keck 1 3300–10180 −4 15300(1505) 8573(33)
10gvb 2455385.5 20100708 Keck 1 3120–10040 50 7038(1525) 4173(43)

10qts 2–3 2455421.5 20100813 P200 3505–10100 −4 19540(1504) 11934(82)
10qts 2455423.5 20100815 Lick 3 m 3482–10012 −2 20579(1506) 9069(42)
10qts 2455441.5 20100902 P200 3440–9850 16 20375(1546) 4770(33)
10qts 2455444.5 20100905 P200 3440–9850 19 19595(1985) 5551(33)
10qts 2455448.5 20100909 KPNO 4 m 3622–8144 23 ... 5231(33)
10qts 2455678.5 20110427 Keck 1 3100–11000 253 ... ...

10tqv 3 2455441.5 20100902 P200 3440–9850 4 ... 5208(22)
10tqv 2455472.5 20101003 Keck 1 3090–10240 35 17137(2570) 5080(31)
10tqv 2455501.5 20101101 Keck 1 3500–7500 64 10944(1641) ...

10vgv 2–3 2455455.8 20100916 Lick 3 m 3440–10128 −8 ... 9008(20)
10vgv 2455466.5 20100927 HET 4232–10356 3 8030(1500) 5471(80)
10vgv 2455470.8 20101001 Lick 3 m 3440–10700 7 ... 4971(20)
10vgv 2455499.5 20101030 P200 3340–9500 36 ... 4806(31)
10vgv 2455536.5 20101206 P200 3375–9760 73 ... ...

10xem 2–3 2455479.9 20101010 Lick 3 m 3500–10000 −7 14640(1506) 7544(21)
10xem 2455480.5 20101011 KPNO 4 m 3840–8400 −6 10410(5015) 7877(29)
10xem 2455501.5 20101101 Keck 1 3500–7500 15 ... 5145(57)
10xem 2455593.5 20110201 Keck 1 3195–10200 107 ... ...
10xem 2455600.5 20110208 P200 3440–9800 114 ... ...

10ysd 2 2455486.5 20101017 P200 3450–9900 −5 14800(1522) 11344(101)
10ysd 2455499.5 20101030 WHT 3500–9498 8 ... 9877(38)
10ysd 2455503.5 20101103 KPNO 4 m 3330–8460 12 7259(3336) 8278(34)

10aavz 4 2455530.5 20101130 WHT 3100–9348 1 ... 6466(20)
10aavz 2455536.5 20101206 P200 3505–10000 7 10630(1506) 5631(21)
10aavz 2455543.5 20101213 P200 3500–9900 14 ... 6425(55)
10aavz 2455678.5 20110427 Keck 1 3100–10200 149 ... ...

11cmh 4 2455683.5 20110502 WHT 3015–11180 1 14784(1521) 7422(34)

11img 3–4 2455772.5 20110730 WHT 3501–9499 5 ... 6939(80)
11img 2455775.9 20110802 Keck 1 3404–10200 9 16420(1502) 6395(35)

11lbm 3 2455804.5 20110831 WHT 3500–9500 −1 11659(1503) 7931(45)
11lbm 2455825.5 20110921 P200 3360–9600 20 7815(1560) 6320(26)

12as 3 2455929.0 20120102 APO 3316–9864 −5 14950(1516) 7239(75)
12as 2455956.5 20120130 P200 3500–10200 23 6995(1688) 7879(42)
12as 2456044.8 20120427 Keck 1 3702–9995 111 ... ...

12eci 3 2456060.8 20120517 Keck 1 3424–10100 −7 10560(1516) 9005(28)

13u ≤4 2456341.5 20130218 P200 3210–10100 11 18249(1504) 5067(25)

13alq 3 2456395.5 20130413 P200 3600–9900 −3 21530(1503) 8492(41)
13alq 2456414.5 20130502 P200 3840–10450 16 13745(1507) 5932(21)
13alq 2456414.7 20130502 TNG 3220–7989 16 13745(1507) 5403(22)
13alq 2456452.8 20130609 Keck 1 3080–10284 55 ... 6139(23)

13bxl 3 2456476.5 20130703 MagellanBaade 3900–9500 12 ... 12700(61)
13bxl 2456476.7 20130703 P200 3700–10000 −11 ... 12362(63)
13bxl 2456476.8 20130703 UH88 3301–9701 −11 ... 7993(26)
13bxl 2456477.7 20130704 P200 3700–10000 −10 ... 15750(137)
13bxl 2456478.5 20130705 P200 3400–8933 −10 27780(1532) 14062(112)
13bxl 2456481.7 20130708 P200 4450–9625 −6 23340(1501) 12486(67)
13bxl 2456484.5 20130711 Keck 2 4905–10131 −4 20020(1502) 17169(213)
13bxl 2456486.5 20130713 Keck 2 3700–10840 −2 ... 7096(63)
13bxl 2456489.5 20130716 P200 4425–9640 1 14754(1508) 7997(36)
13bxl 2456506.5 20130802 Keck 2 3066–10259 18 6605(1518) 6344(27)
13bxl 2456508.8 20130804 Keck 1 3066–10259 21 ... 6344(27)

13dnt 4 2456569.7 20131004 P200 3200–10200 4 19040(1502) 5575(13)

13ebw 2 2456622.5 20131126 P200 3400–10580 −8 ... 6148(11)
13ebw 2456625.5 20131129 Keck 2 4905–10131 −5 ... 7903(45)
13ebw 2456630.1 20131203 Keck 1 3200–10265 −0 26584(1505) 5841(15)
13ebw 2456631.0 20131204 Keck 1 3017–10237 1 22004(1505) 5711(21)
13ebw 2456658.5 20140101 Keck 2 4909–10140 28 ... 5855(18)

14dby 4 2456837.9 20140629 Keck 1 3057–10288 −12 16085(1506) 8115(24)
14dby 2456899.8 20140830 Keck 1 3099–10290 49 6248(1516) 5272(22)
14dby 2456924.7 20140924 Keck 2 4600–9599 74 ... ...
14dby 2457045.1 20150122 Keck 1 3069–10287 195 ... ...

14gaq 2-4 2456924.9 20140924 Keck 2 4600–9600 −5 ... 9992(23)
14gaq 2456931.5 20141001 P200 3000–10239 1 24034(1512) 7881(27)
14gaq 2456955.7 20141025 Keck 2 5000–9998 25 ... 5491(16)

15dqg 2–≤5 2457333.8 20151107 Keck 2 4500–9601 −8 19935(1519) 10364(24)
15dqg 2457362.5 20151206 Keck 1 3076–10231 20 9265(1505) 5527(20)
15dqg 2457369.3 20151212 TNG 3381–10436 27 8515(1502) 6029(39)

15eov 2–4 2457362.5 20151206 Keck 1 3069–10233 −24 20625(1503) 23481(104)
15eov 2457365.0 20151208 FTN 3249–10000 −22 20635(1507) 21563(180)
15eov 2457365.9 20151209 FTN 3201–10000 −21 20565(1508) 18815(143)
15eov 2457367.5 20151211 P200 3091–10199 −19 20685(1505) 19400(108)
15eov 2457368.9 20151212 FTN 3200–10000 −18 20605(1507) 22267(215)
15eov 2457370.0 20151213 FTN 3200–10001 −17 20545(1505) 23209(207)
15eov 2457371.1 20151214 FTS 3350–10000 −16 20685(1505) 29823(681)
15eov 2457374.9 20151218 FTN 3221–10001 −12 20625(1505) 19727(192)
15eov 2457384.8 20151228 FTN 4000–9300 −2 ... 31875(3372)
15eov 2457392.9 20160105 FTN 3300–9999 6 19030(1507) 9819(29)
15eov 2457395.5 20160108 Keck 2 4501–9641 9 19060(1506) 9549(18)
15eov 2457408.9 20160121 FTN 4000–10000 22 17445(1506) 7147(38)
15eov 2457416.9 20160129 FTN 3500–10000 30 17872(1505) 6292(23)
15eov 2457424.8 20160206 FTN 3300–10001 38 17812(1506) 6543(21)
15eov 2457432.8 20160214 FTN 3800–10000 46 17048(1504) 6113(27)
15eov 2457436.7 20160218 FTN 5000–9300 50 ... 6438(81)
15eov 2457452.8 20160305 FTN 3999–10001 66 17150(1503) ...

16asu ≤3 2457522.5 20160514 P200 3101–9199 −3 ... 19253(360)
16asu 2457524.6 20160516 NOT 3478–9662 −1 ... 17776(370)
16asu 2457533.5 20160524 TNG 3315–10330 8 27590(1546) 8287(42)
16asu 2457535.5 20160527 P200 3600–10237 10 27414(1924) 8271(52)
16asu 2457543.9 20160604 Keck 2 4550–9649 18 24835(1504) 6560(24)
16asu 2457546.9 20160607 Keck 1 3072–10285 21 22415(1508) 6343(18)
16asu 2457549.5 20160610 Keck 1 3101–10290 24 19882(1513) 6221(20)

16gox ≤3 2457660.5 20160929 P60 3807–10456 13 ... 4694(111)
16gox 2457662.5 20161001 P200 3100–10236 15 ... 4693(21)
16gox 2457667.5 20161006 P200 3101–10236 20 ... 5735(16)
16gox 2457676.6 20161015 NOT 3702–9711 29 17572(1820) 5039(34)

16ilj 3 2457717.5 20161125 P60 3807–10456 −4 ... 6352(132)
16ilj 2457721.5 20161128 NOT 3463–9715 −0 19154(1549) 6406(62)
16ilj 2457722.5 20161130 P60 3807–9187 1 ... 4859(179)

17cw ≤3 2457760.5 20170107 P200 3088–10261 −8 ... 14029(83)
17cw 2457785.9 20170201 DCT 3536–7996 18 20595(1528) 5076(34)
17cw 2457811.9 20170227 Keck 1 3068–10266 44 11028(1563) 6104(28)

09sk 2455008.8 20090626 Keck 1 3027–9833

10cs 2455205.5 20100109 P200 3242–10224
10cs 2455262.5 20100307 Keck 1 3342–10264

12grr 2456129.5 20120721 P200 3200–10500
12grr 2456135.5 20120727 P200 3300–10300

14bfu 2456816.1 20140607 Keck 2 4550–9599
14bfu 2456833.0 20140624 Keck 1 3116–10279
14bfu 2456838.1 20140629 Keck 1 3234–10289
15dld 2457333.8 20151107 Keck 2 4500–9601
15dld 2457399.7 20160112 Keck 1 3064–10257

16coi 2457626.5 20160826 P60 3807–9187
16coi 2457656.6 20160925 NOT 3407–9647

17axg 2457809.5 20170225 P200 3500–10924
17axg 2457809.9 20170225 P60 3807–10456

Notes.

The double horizontal line separates the spectra for which the phase is known, which were therefore used to measure the Fe II velocity, from those for which it is not.

(a)Number of absorption features in the spectra before and around maximum brightness, following the classification method by Prentice & Mazzali (2017).

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