RA/DEC (2000)
23:01:15.699 +14:20:38.54
345.315414349 +14.344037848
Type
SN Ib
Redshift
0.007428
Discovery ReportClassification Report
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2023-05-01 09:50:24.000
TNS AT
Y
Public
Y
Host Name
UGC 12308
Host Redshift
0.007428
Discovery Mag
16
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2023hlu - 2023-06-08 08:58:03 P60 / SEDM (ZTF)z=
 ▌SN_2023hlu - 2023-05-09 18:55:26 Other / Other (None)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌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
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌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

 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_g
 ▌ASASSN-4_Leavitt_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌ASASSN-2_Cassius_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
15126 2023-06-08 08:58:03 P60 / SEDM 1800 SEDmRobot auto ZTF tns_2023hlu_2023-06-08_08-58-02.878565_P60_SEDM_ZTF.ascii Object
14935 2023-05-09 18:55:26 Other / Other 600 Kenta Taguchi Kenta Taguchi None tns_2023hlu_2023-05-09_18-55-26_Other_Other.dat tns_2023hlu_2023-05-09_18-55-26_Other_Other.fits Object We performed the follow-up spectroscopic observation using the KOOLS-IFU attached to the 3.8-m Seimei telescope at Okayama Observatory with two 300-sec exposures. The spectral resolution is ~ 500, and the wavelength coverage is 4100-8600 A.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2023-06-23 12:47:19 - 2023-06-23 12:47:19 2460119.03286 - 2460119.03286 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
349473 2023-06-23 12:47:19 2460119.03286 17.16 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2023-05-04 03:34:39 - 2023-05-04 03:34:39 2460068.64906 - 2460068.64906 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
340908 2023-05-04 03:34:39 2460068.64906 15.518 0.021 18.67 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
g-ZTF P48_ZTF-Cam 2023-06-02 10:38:46 - 2023-06-02 10:38:46 2460097.943588 - 2460097.943588 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
346068 2023-06-02 10:38:46 2460097.943588 17.7567 0.0558239 19.5913 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-Sloan ASASSN-4_Leavitt 2023-01-20 01:55:12 - 2023-01-20 01:55:12 2459964.58 - 2459964.58 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
340669 2023-01-20 01:55:12 2459964.58 17.6 ABMag g-Sloan ASASSN-4_Leavitt [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2023-01-21 05:43:22 - 2023-01-21 05:43:22 2459965.73845 - 2459965.73845 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
340907 2023-01-21 05:43:22 2459965.73845 19 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
g-Sloan ASASSN-2_Cassius 2023-05-01 09:50:24 - 2023-05-01 09:50:24 2460065.91 - 2460065.91 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
340670 2023-05-01 09:50:24 2460065.91 16 ABMag g-Sloan ASASSN-2_Cassius
Clear- Other_Other 2018-09-13 19:50:16 - 2023-05-24 01:47:35 2458375.32657 - 2460088.57471 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
344704 2023-05-24 01:47:35 2460088.57471 15.5 18.5 VegaMag Clear- Other_Other 180 Robot MASTER-SAAO
344703 2023-05-24 01:33:39 2460088.56504 15.7 18.3 VegaMag Clear- Other_Other 180 Robot MASTER-SAAO
344702 2018-09-13 19:50:16 2458375.32657 20.2 VegaMag Clear- Other_Other 180 Robot [Last non detection] MASTER-SAAO
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
180858 2023-06-24 08:55:40 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 23:01:15.699 +14:20:38.54 2023-06-23 12:47:19.104 17.16 w-P1 PSN PS23eqk Pan-STARRS N
179230 2023-06-03 16:10:16 ALeRCE F. Forster, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 23:01:15.694 +14:20:38.55 2023-06-02 10:38:46.003 17.7567 g-ZTF PSN SDSS J230118.68+142022.5 ZTF23aamseob ALeRCE SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF23aamseob N
178469 2023-05-24 10:53:33 MASTER Ya.Kechin, Siyu Wu, V. Lipunov et al. MASTER MASTER 23:01:15.730 +14:20:39.60 2023-05-24 01:33:39.456 15.7 Clear- PSN MASTER OT J230115.73+142039.6 MASTER N
176759 2023-05-04 07:54:35 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 23:01:15.698 +14:20:38.64 2023-05-04 03:34:38.784 15.518 orange-ATLAS PSN ATLAS23jys ATLAS N
176597 2023-05-01 22:26:59 Krzysztof Stanek K. Z. Stanek, for the ASAS-SN team ASAS-SN ASAS-SN 23:01:15.696 +14:20:39.62 2023-05-01 09:50:24.000 16 g-Sloan PSN UGC 12308 ASASSN-23dn ASAS-SN Relatively nearby host galaxy; discovered after the seasonal gap 2023TNSTR.977....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
15051 2023-06-08 13:17:52 ZTF_Bot1 J. Sollerman, M. Chu, A. Dahiwale, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ib 0.007428 1 ZTF 2023TNSCR1350....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
15126 2023-06-08 08:58:03 P60 / SEDM 1800 SEDmRobot auto ZTF tns_2023hlu_2023-06-08_08-58-02.878565_P60_SEDM_ZTF.ascii Object
14861 2023-05-10 12:06:41 Kenta Taguchi Kenta Taguchi (Kyoto University), Keiichi Maeda (Kyoto University) None SN II 0.007428 1 Our spectrum shows a prominent H alpha line having P Cygni profile. According to GELATO, our spectrum is the most similar to that of SNe II 2008fz (~100 d after the explosion) and 1996 al (~ 20 d after Bmax). 2023TNSCR1049....1T
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
14935 2023-05-09 18:55:26 Other / Other 600 Kenta Taguchi Kenta Taguchi None tns_2023hlu_2023-05-09_18-55-26_Other_Other.dat tns_2023hlu_2023-05-09_18-55-26_Other_Other.fits Object We performed the follow-up spectroscopic observation using the KOOLS-IFU attached to the 3.8-m Seimei telescope at Okayama Observatory with two 300-sec exposures. The spectral resolution is ~ 500, and the wavelength coverage is 4100-8600 A.

Comments

TNS
System

Sat, 06/24/2023 - 08:30

Object coordinates updated

Object coordinates updated according to AT-report 180858 of Group Pan-STARRS
Previous RA, DEC: 23:01:15.694, +14:20:38.55 (345.3153925, +14.3440423)
Updated RA, DEC: 23:01:15.699, +14:20:38.54 (345.315414349, 14.344037848)

TNS
System

Sat, 06/03/2023 - 15:30

Object coordinates updated

Object coordinates updated according to AT-report 179230 of Group ZTF
Previous RA, DEC: 23:01:15.698, +14:20:38.64 (345.31541, +14.3440666667)
Updated RA, DEC: 23:01:15.694, +14:20:38.55 (345.3153925, 14.3440423)

TNS
System

Thu, 05/04/2023 - 07:30

Object coordinates updated

Object coordinates updated according to AT-report 176759 of Group ATLAS
Previous RA, DEC: 23:01:15.696, +14:20:39.62 (345.3154, +14.34434)
Updated RA, DEC: 23:01:15.698, +14:20:38.64 (345.31541, 14.3440666667)