RA/DEC (2000)
08:17:23.520 +21:41:40.60
124.348 +21.694611
Type
SN Ib
Redshift
0.0118949
Discovery ReportClassification Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2023-10-11 22:54:45.216
TNS AT
Y
Public
Y
Host Name
PGC 23232
Host Redshift
0.011895
Discovery Mag
16.66
Filter
Clear-
Reporter/s
Chunpeng Bi, Jianlin Xu, Mi Zhang, Leiming Tang, Wenjie Zhou, Jingyuan Zhao, Guoyou Sun, Jiangao Ruan, Xing Gao and the PSP team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2023usf - 2023-10-25 08:43:31 P60 / SEDM (ZTF)z=
 ▌SN_2023usf - 2023-10-12 21:00:47 Other / Other (XOSS)z=
▌Show H at z=vexp= km/s
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▌Show He II at z=vexp= km/s
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▌Show N V at z=vexp= km/s
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▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
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▌Show Si II at z=vexp= km/s
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▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
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▌Show Tellurics 
▌Show Galaxy lines at z=
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▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌BG4_BlackGEM-Cam4_BG-q
 ▌ML1_MeerLICHT-Cam_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌Gaia_Gaia-photometric_G
 ▌PS1_GPC1_g
 ▌Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
15952 2023-10-25 08:43:31 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2023usf_2023-10-25_08-43-30.879039_P60_SEDM_ZTF.ascii Object
15851 2023-10-12 21:00:47 Other / Other 7200 Xing Gao (Xingming Obs.) Jingyuan Zhao (Xingming Obs.) XOSS tns_2023usf_2023-10-12_21-00-47_Other_Other_XOSS.DAT tns_2023usf_2023-10-12_21-00-47_Other_Other_XOSS.fit Object We obtained the low-resolution spectrum using the Alpy 600 spectrograph attached to a 0.6-m f/8 Ritchey-Chretien telescope.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
BG-q-BlackGem BG4_BlackGEM-Cam4 2023-11-17 06:56:39 - 2023-11-17 06:56:39 2460265.7893403 - 2460265.7893403 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587652 2023-11-17 06:56:39 2460265.7893403 18.58 0.06 20.01 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem ML1_MeerLICHT-Cam 2019-10-29 18:15:51 - 2019-10-29 18:15:51 2458786.2610069 - 2458786.2610069 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587651 2019-10-29 18:15:51 2458786.2610069 21.42 ABMag BG-q-BlackGem ML1_MeerLICHT-Cam 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2023-10-03 11:55:41 - 2023-10-03 11:55:41 2460220.997 - 2460220.997 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
370585 2023-10-03 11:55:41 2460220.997 19.53 ABMag r-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
g-ZTF P48_ZTF-Cam 2023-10-05 11:12:29 - 2023-10-24 10:52:19 2460222.967 - 2460241.953 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
370587 2023-10-24 10:52:19 2460241.953 17.67 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
370586 2023-10-05 11:12:29 2460222.967 17.95 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
G-Gaia Gaia_Gaia-photometric 2023-09-22 10:53:46 - 2023-10-14 09:10:05 2460209.954 - 2460231.882 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
369174 2023-10-14 09:10:05 2460231.882 17.12 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
369173 2023-09-22 10:53:46 2460209.954 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
g-P1 PS1_GPC1 2023-10-14 14:33:06 - 2023-10-14 14:33:06 2460232.10632 - 2460232.10632 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
369039 2023-10-14 14:33:06 2460232.10632 17.18 0.01 21 ABMag g-P1 PS1_GPC1 30 Robot
Clear- Other_Other 2023-10-11 22:54:45 - 2023-10-11 22:54:45 2460229.45469 - 2460229.45469 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
367639 2023-10-11 22:54:45 2460229.45469 16.66 0.08 18 VegaMag Clear- Other_Other 40 Xing Gao
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
306390 2026-05-27 18:34:12 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 08:17:23.526 +21:41:40.58 2023-11-17 06:56:39.000 18.58 BG-q-BlackGem PSN BGEM J081723.53+214140.6 BlackGEM N
191745 2023-10-24 21:13:39 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration ZTF ZTF 08:17:23.534 +21:41:40.49 2023-10-05 11:12:28.800 17.95 g-ZTF PSN ZTF23abhyxpr ZTF N
191109 2023-10-17 09:00:20 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 08:17:23.520 +21:41:40.60 2023-10-14 09:10:04.800 17.12 G-Gaia PSN Gaia23cwx GaiaAlerts Confirmed SN Ib/c N
191052 2023-10-16 20:55:33 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 08:17:23.522 +21:41:40.64 2023-10-14 14:33:06.048 17.18 g-P1 PSN PS23jlt Pan-STARRS N
190340 2023-10-11 23:38:00 Mi Zhang Chunpeng Bi, Jianlin Xu, Mi Zhang et al. XOSS XOSS 08:17:23.510 +21:41:40.60 2023-10-11 22:54:45.216 16.66 Clear- PSN PGC 23232 PSP23L XOSS SN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/psp23l.html 2023TNSTR2554....1B N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
15866 2023-10-27 20:03:00 ZTF_Bot1 J. Sollerman, M. Chu, A. Dahiwale, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ib 0.0118949 1 ZTF 2023TNSCR2746....1S
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
15952 2023-10-25 08:43:31 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2023usf_2023-10-25_08-43-30.879039_P60_SEDM_ZTF.ascii Object
15765 2023-10-13 08:26:19 Jingyuan Zhao Jingyuan Zhao, Xing Gao (Xingming Obs.) XOSS SN Ib/c 0.012 1 XOSS A low resolution spectrum of SN 2023usf was obtained by XOSS. GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this spectrum resembles that of supernova Type Ib/c at the redshift of the host galaxy (value from NED), e.g., type Ib supernova SN 2009jf at t = -4.9 d; type Ic supernova SN 2004fe at t = -5.7 d. 2023TNSCR2583....1Z
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
15851 2023-10-12 21:00:47 Other / Other 7200 Xing Gao (Xingming Obs.) Jingyuan Zhao (Xingming Obs.) XOSS tns_2023usf_2023-10-12_21-00-47_Other_Other_XOSS.DAT tns_2023usf_2023-10-12_21-00-47_Other_Other_XOSS.fit Object We obtained the low-resolution spectrum using the Alpy 600 spectrograph attached to a 0.6-m f/8 Ritchey-Chretien telescope.

Comments

TNS
System

Tue, 10/17/2023 - 08:30

Object coordinates updated

Object coordinates updated according to AT-report 191109 of Group GaiaAlerts
Previous RA, DEC: 08:17:23.522, +21:41:40.64 (124.348006517, +21.6946215001)
Updated RA, DEC: 08:17:23.520, +21:41:40.60 (124.348, 21.694611)

TNS
System

Mon, 10/16/2023 - 20:30

Object coordinates updated

Object coordinates updated according to AT-report 191052 of Group Pan-STARRS
Previous RA, DEC: 08:17:23.510, +21:41:40.60 (124.347958, +21.694611)
Updated RA, DEC: 08:17:23.522, +21:41:40.64 (124.348006517, 21.6946215001)