RA/DEC (2000)
07:26:53.653 +69:38:25.04
111.7235525644 +69.640288848472
Type
SLSN-I
Redshift
0.077
Discovery ReportClassification Report
Related AstroNotes: 2025-119
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-03-17 04:47:54.004
TNS AT
Y
Public
Y
Host Name
WISEA J072653.48+693825.1
Discovery Mag
19.4521
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025esr - 2025-05-02 04:24:32 Lick-3m / KAST (ZTF)z=
 ▌SN_2025esr - 2025-04-27 20:52:00 Ekar / AFOSC (Padova-Asiago)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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
20969 2025-05-02 04:24:32 Lick-3m / KAST R. Michael Rich, Ava Huddleston, Atticus Cummings, Jacob Wise Jacob Wise ZTF tns_2025esr_2025-05-02_04-24-32.39_Lick-3m_KAST_ZTF.txt Object
20907 2025-04-27 20:52:00 Ekar / AFOSC 600 L. Filotto, M. Benedet, M. Mattiussi, M. Mariutti, F. Guidolin, A. Reguitti A. Reguitti Padova-Asiago tns_2025esr_2025-04-27_20-52-00_Ekar_AFOSC_Padova-Asiago.txt Object Low S/N due to interrupted exposure. Narrow Halpha emission line at z=0.077 from the host galaxy.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-03 19:19:47 - 2025-04-18 18:01:19 2460373.3054 - 2460784.25092 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482562 2025-04-18 18:01:19 2460784.25092 18.17 ABMag Clear- LAST_LAST-Cam 400
482561 2024-03-03 19:19:47 2460373.3054 21.59 ABMag Clear- LAST_LAST-Cam 2780 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-02-26 22:47:20 - 2025-04-04 21:48:18 2460733.449539 - 2460770.408536 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480862 2025-04-04 21:48:18 2460770.408536 17.86 0.06 ABMag L-GOTO GOTO-N_GOTO-1 180
480861 2025-02-26 22:47:20 2460733.449539 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-03-10 07:10:02 - 2025-03-17 06:17:32 2460744.7986343 - 2460751.7621759 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476585 2025-03-17 06:17:32 2460751.7621759 19.4645 0.1479 20.0416 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
476583 2025-03-10 07:10:02 2460744.7986343 19.0325 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-03-17 04:47:54 - 2025-03-17 04:47:54 2460751.6999306 - 2460751.6999306 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476584 2025-03-17 04:47:54 2460751.6999306 19.4521 0.143036 20.2571 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-23 08:16:02 - 2025-03-23 08:16:02 2460757.84447 - 2460757.84447 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478092 2025-03-23 08:16:02 2460757.84447 18.529 0.111 19.29 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-03-21 08:17:01 - 2025-03-21 08:17:01 2460755.84515 - 2460755.84515 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478091 2025-03-21 08:17:01 2460755.84515 18.87 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
251850 2025-04-18 18:28:46 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 07:26:53.747 +69:38:24.97 2025-04-18 18:01:19.488 18.17 Clear- PSN LAST N
250971 2025-04-05 07:51:29 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 07:26:53.665 +69:38:25.05 2025-04-04 21:48:17.856 17.86 L-GOTO Other GOTO25bqd GOTO N
249542 2025-03-23 12:57:13 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 07:26:53.727 +69:38:25.04 2025-03-23 08:16:02.208 18.529 orange-ATLAS PSN ATLAS25cyp ATLAS N
248699 2025-03-17 17:13:17 ALeRCE A. Munoz-Arancibia,G. Pignata,F.E. Bauer et al. ALeRCE ZTF 07:26:53.653 +69:38:25.04 2025-03-17 04:47:54.004 19.4521 g-ZTF PSN WISEA J072653.48+693825.1 ZTF25aajbcmc ZTF 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/ZTF25aajbcmc 2025TNSTR1005....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20969 2025-05-03 21:05:16 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), Ava Huddleston (UCLA), Atticus Cummings (UCLA), R. Michael Rich (UCLA) ZTF SLSN-I 0.077 1 1Add ZTF Spectrum is well-fit by template spectra from previously classified SLSN-I. Redshift of z = 0.077 from host galaxy emission in spectrum. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR1653....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025esr_atrep_20969_ZTF.pdf NGSF fits 2025-05-03 21:05:16 Jacob Wise
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
20969 2025-05-02 04:24:32 Lick-3m / KAST R. Michael Rich, Ava Huddleston, Atticus Cummings, Jacob Wise Jacob Wise ZTF tns_2025esr_2025-05-02_04-24-32.39_Lick-3m_KAST_ZTF.txt Object
20907 2025-04-27 23:15:33 Andrea Reguitti Luca Filotto (UniPd), Maddalena Benedet (UniPd), Martina Mattiussi (UniPd), Manuela Mariutti (UniPd), Francesco Guidolin (INAF-OAB), Andrea Reguitti (INAF-OAPd), Claudio Balcon (ISSP) Padova-Asiago SN Ib/c 0.077 1 Add Padova-Asiago Low S/N spectrum, according to GELATO consistent with a SN Ib/c around maximum light. Redshift from narrow Halpha emission line from the host galaxy. 2025TNSCR1559....1F
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
20907 2025-04-27 20:52:00 Ekar / AFOSC 600 L. Filotto, M. Benedet, M. Mattiussi, M. Mariutti, F. Guidolin, A. Reguitti A. Reguitti Padova-Asiago tns_2025esr_2025-04-27_20-52-00_Ekar_AFOSC_Padova-Asiago.txt Object Low S/N due to interrupted exposure. Narrow Halpha emission line at z=0.077 from the host galaxy.

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