Open Access

Table B.1.

Spectra observation log of young type Ib SNe.

SN (tVmax days) type Date of Observation Telescope/Instrument Exposure (s) Slit (″ ) Airmass
SN 2023ljf(−14.5) Ib 2023-06-23 09:29:05 OGG 2m/FLOYDS 3600 2″ 1.42
SN 2023ljf(−12.5) Ib 2023-06-25 08:16:46 OGG 2m/FLOYDS 3600 2″ 1.42
SN 2023ljf(−10.5) Ib 2023-06-27 08:21:33 OGG 2m/FLOYDS 2700 2″ 1.19
SN 2023ljf(−7.6) Ib 2023-06-30 06:25:18 OGG 2m/FLOYDS 2700 2″ 1.04
SN 2023ljf(−4.6) Ib 2023-07-03 07:23:36 OGG 2m/FLOYDS 2700 2″ 1.12
SN 2023ljf(19.4) Ib 2023-07-27 07:20:07 OGG 2m/FLOYDS 2700 2″ 1.4
SN 2023ljf(25.4) Ib 2023-08-02 05:57:19 OGG 2m/FLOYDS 2700 2″ 1.12
SN 2023ljf(28.4) Ib 2023-08-05 06:20:32 OGG 2m/FLOYDS 2700 2″ 1.29
SN 2023ljf(40.4) Ib 2023-08-17 05:59:48 OGG 2m/FLOYDS 2700 2″ 1.41

SN 2022nyo(−13.8)a IIb 2022-07-03 01:55:28 SOAR 4.1m/GHTS BLUE 1800 1″ 1.43
SN 2022nyo(−4.1)a Ib 2022-07-12 18:29:14 SALT/RSS 1533 1.5″ 1.27
SN 2022nyo(−1.5) Ib 2022-07-15 10:06:09 COJ 2m/FLOYDS 2700 2″ 1.4
SN 2022nyo(23.4) Ib 2022-08-09 08:30:45 COJ 2m/FLOYDS 2700 2″ 1.42
SN 2022nyo(33.4) Ib 2022-08-19 08:36:22 COJ 2m/FLOYDS 2700 2″ 1.68

SN 2021ukt(−12.2) IIn 2021-08-03 11:41:04 OGG 2m/FLOYDS 1200 2″ 1.39
SN 2021ukt(−9.1) Ib 2021-08-06 12:17:32 OGG 2m/FLOYDS 1200 2″ 1.21
SN 2021ukt(−6.2) Ib 2021-08-09 11:57:22 OGG 2m/FLOYDS 1200 2″ 1.24
SN 2021ukt(−0.1) Ib 2021-08-15 13:30:07 OGG 2m/FLOYDS 1200 2″ 1.08
SN 2021ukt(4.0) Ib 2021-08-19 14:38:17 OGG 2m/FLOYDS 1200 2″ 1.16
SN 2021ukt(12.0) Ib 2021-08-27 15:10:45 COJ 2m/FLOYDS 1200 2″ 1.2
SN 2021ukt(15.8) Ib 2021-08-31 10:25:41 OGG 2m/FLOYDS 1199 2″ 1.25
SN 2021ukt(19.8) Ib 2021-09-04 12:08:46 OGG 2m/FLOYDS 1200 2″ 1.08
SN 2021ukt(24.9) Ib 2021-09-09 12:43:45 COJ 2m/FLOYDS 2700 2″ 1.47
SN 2021ukt(33.8) Ib 2021-09-18 10:51:57 OGG 2m/FLOYDS 3600 2″ 1.09
SN 2021ukt(45.8) Ib 2021-09-30 09:59:09 OGG 2m/FLOYDS 3600 2″ 1.09
SN 2021ukt(54.8) Ib 2021-10-09 10:46:54 COJ 2m/FLOYDS 3600 2″ 1.44

SN 2021njk(−15.3) Ib 2021-05-26 10:39:13 COJ 2m/FLOYDS 2700 2″ 1.20
SN 2021njk(−11.3) Ib 2021-05-30 09:51:19 COJ 2m/FLOYDS 3600 2″ 1.14
SN 2021njk (−3.4) Ib 2021-06-07 08:07:57 COJ 2m/FLOYDS 1800 2″ 1.02
SN 2021njk(2.7) Ib 2021-06-13 10:05:47 COJ 2m/FLOYDS 1800 2″ 1.3
SN 2021njk(5.7) Ib 2021-06-16 10:20:45 COJ 2m/FLOYDS 1800 2″ 1.42
SN 2021njk(10.7) Ib 2021-06-21 09:43:39 COJ 2m/FLOYDS 1800 2″ 1.34
SN 2021njk(15.7) Ib 2021-06-26 09:47:11 COJ 2m/FLOYDS 2700 2″ 1.51
SN 2021njk(23.6) Ib 2021-07-04 09:31:19 COJ 2m/FLOYDS 2700 2″ 1.61

SN 2021hen(−8.2) Ib 2021-03-30 13:01:37 OGG 2m/FLOYDS 3600 2″ 1.24
SN 2021hen(−7.2) Ib 2021-03-31 11:53:45 OGG 2m/FLOYDS 3600 2″ 1.08
SN 2021hen(−1.2) Ib 2021-04-06 11:54:36 OGG 2m/FLOYDS 3600 2″ 1.12
SN 2021hen(1.9) Ib 2021-04-09 14:13:33 COJ 2m/FLOYDS 3600 2″ 1.85
SN 2021hen(5.6) Ib 2021-04-13 08:26:33 OGG 2m/FLOYDS 3600 2″ 1.05
SN 2021hen(11.8) Ib 2021-04-19 12:16:47 OGG 2m/FLOYDS 3600 2″ 1.38
SN 2020hvp(−13.2) Ib 2020-04-23 17:50:18 COJ 2m/FLOYDS 3600 2″ 1.34
SN 2020hvp(−11.2) Ib 2020-04-25 17:41:11 COJ 2m/FLOYDS 1800 2″ 1.28
SN 2020hvp(−9.6) Ib 2020-04-27 09:20:25 OGG 2m/FLOYDS 1800 2″ 1.48
SN 2020hvp(−8.3) Ib 2020-04-28 16:41:04 COJ 2m/FLOYDS 1200 2″ 1.17
SN 2020hvp(−7.4) Ib 2020-04-29 13:46:48 OGG 2m/FLOYDS 1200 2″ 1.20
SN 2020hvp(−5.4) Ib 2020-05-01 12:22:17 OGG 2m/FLOYDS 1200 2″ 1.09
SN 2020hvp(−4.4) Ib 2020-05-02 14:08:36 OGG 2m/FLOYDS 900 2″ 1.30
SN 2020hvp(−2.6) Ib 2020-05-04 08:53:23 OGG 2m/FLOYDS 900 2″ 1.52
SN 2020hvp(−1.4) Ib 2020-05-05 12:57:46 OGG 2m/FLOYDS 900 2″ 1.15
SN 2020hvp(−0.4) Ib 2020-05-06 14:08:49 COJ 2m/FLOYDS 900 2″ 1.20
SN 2020hvp(4.6) Ib 2020-05-11 13:07:53 COJ 2m/FLOYDS 900 2″ 1.29
SN 2020hvp(9.7) Ib 2020-05-16 16:25:52 COJ 2m/FLOYDS 900 2″ 1.27
SN 2020hvp(16.6) Ib 2020-05-23 12:49:18 OGG 2m/FLOYDS 1800 2″ 1.35
SN 2020hvp(27.6) Ib 2020-06-03 12:15:10 OGG 2m/FLOYDS 1800 2″ 1.39
SN 2020hvp(34.4) Ib 2020-06-10 07:46:35 OGG 2m/FLOYDS 2400 2″ 1.17
SN 2020hvp(51.6) Ib 2020-06-27 13:34:03 COJ 2m/FLOYDS 2700 2″ 1.30

SN 2019odp(−15.7) Ic-bl 2019-08-24 12:44:36 OGG 2m/FLOYDS 3600 2″ 1.14
SN 2019odp(−11.6) Ic-bl 2019-08-28 13:33:07 OGG 2m/FLOYDS 3599 2″ 1.38
SN 2019odp(−8.7) Ic-bl 2019-08-31 13:35:03 OGG 2m/FLOYDS 3600 2″ 1.46
SN 2019odp(−5.6) Ic-bl 2019-09-03 13:46:45 COJ 2m/FLOYDS 3600 2″ 1.43
SN 2019odp(−2.7) Ic-bl 2019-09-06 11:08:12 OGG 2m/FLOYDS 2700 2″ 1.04
SN 2019odp(1.4) Ib 2019-09-10 13:47:02 COJ 2m/FLOYDS 2700 2″ 1.43
SN 2019odp(5.4) Ib 2019-09-14 14:48:18 COJ 2m/FLOYDS 2700 2″ 1.58
SN 2019odp(10.3) Ib 2019-09-19 12:10:09 OGG 2m/FLOYDS 2700 2″ 1.35
SN 2019odp(15.3) Ib 2019-09-24 11:23:11 OGG 2m/FLOYDS 2700 2″ 1.23
SN 2019odp(24.4) Ib 2019-10-03 13:29:53 COJ 2m/FLOYDS 2700 2″ 1.57
SN 2019odp(30.3) Ib 2019-10-09 12:35:08 COJ 2m/FLOYDS 2700 2″ 1.48
SN 2019odp(43.2) Ib 2019-10-22 09:12:29 OGG 2m/FLOYDS 3600 2″ 1.2
SN 2019odp(57.2) Ib 2019-11-05 10:23:11 COJ 2m/FLOYDS 3600 2″ 1.46

SN 2016bau(−15.9) Ib 2016-03-15 05:24:59 OGG 2m/FLOYDS 2700 2″ 1.99
SN 2016bau(−13.6) Ib 2016-03-17 13:01:07 OGG 2m/FLOYDS 2700 2″ 1.56
SN 2016bau(−10.6) Ib 2016-03-20 12:47:21 OGG 2m/FLOYDS 2700 2″ 1.55
SN 2016bau(−6.7) Ib 2016-03-24 12:04:09 OGG 2m/FLOYDS 2700 2″ 1.44
SN 2016bau(−1.7) Ib 2016-03-29 10:25:44 OGG 2m/FLOYDS 2700 2″ 1.25
SN 2016bau(5.1) Ib 2016-04-05 06:56:20 OGG 2m/FLOYDS 2700 2″ 1.25
SN 2016bau(9.2) Ib 2016-04-09 08:26:46 OGG 2m/FLOYDS 2700 2″ 1.19
SN 2016bau(10.3) Ib 2016-04-10 11:53:54 OGG 2m/FLOYDS 2700 2″ 1.7
SN 2016bau(15.2) Ib 2016-04-15 08:53:05 OGG 2m/FLOYDS 2700 2″ 1.22
SN 2016bau(24.2) Ib 2016-04-24 08:37:56 OGG 2m/FLOYDS 2700 2″ 1.24
SN 2016bau(32.2) Ib 2016-05-02 09:18:02 OGG 2m/FLOYDS 2700 2″ 1.4
SN 2016bau(42.2) Ib 2016-05-12 09:28:37 OGG 2m/FLOYDS 2700 2″ 1.59
SN 2016bau(50.2) Ib 2016-05-20 08:55:44 OGG 2m/FLOYDS 2700 2″ 1.59

Notes.

a

Host galaxy HII region emission lines are removed from these spectra. Figure 1 and A.1 show the spectra without the galaxy emission lines.

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