RA/DEC (2000)
12:38:51.641 +06:49:46.70
189.71516918 +6.82963808
Type
SN Ia
Redshift
0.09
Related AstroNotes: 2026-121
Reporting Group
Shadow
Discovering Data Source
Shadow
Discovery Date
2026-04-13 07:13:42.000
TNS AT
Y
Public
Y
Discovery Mag
22.188
Filter
r-Sloan
Reporter/s
Conor Ransome (UofA), Bhagya Subrayan (UofA), David Sand (UofA), Azalee Bostroem (UofA), Jeniveve Pearson (UofA), Brian Hsu (UofA), Noah Franz (UofA), Phillip Noel (UofA), Griffin Hosseinzadeh (UCSD), Jennifer Andrews (NOIRLab), Manisha Shrestha (Monash), Samuel Wyatt (Goddard), Xander Hall (CMU), Lei Hu (CMU), Tomás Cabrera (CMU), Antonella Palmese (CMU), Frank Valdes (NOIRLab), Kathy Vivas (NOIRLab), Monika Soraisam (NOIRLab), on behalf of the Shadow collaboration

Spectra

 SN_2026jmu - 2026-05-04 04:49:10 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
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Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-TDO_ATLAS-05_wide
 GOTO-S_GOTO-4_L
 ATLAS-CHL_ATLAS-04_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_i
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 CTIO-4m_DECAM_r
   
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
23619 2026-05-04 04:49:10 ESO-NTT / EFOSC2-NTT 600 Camila Cárdenas, Jasvinderjit Khaulsay Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho ePESSTO+ tns_2026jmu_2026-05-04_04-49-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026jmu_2026-05-04_04-49-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-21 00:00:07 - 2026-04-21 00:00:07 2461151.50008 - 2461151.50008 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576677 2026-04-21 00:00:07 2461151.50008 19.576 0.118 20.15 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-S_GOTO-4 2026-04-20 12:30:39 - 2026-04-20 12:30:39 2461151.021282 - 2461151.021282 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577687 2026-04-20 12:30:39 2461151.021282 19.49 0.11 ABMag L-GOTO GOTO-S_GOTO-4 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-04-07 12:35:57 - 2026-04-19 04:35:17 2461138.0249648 - 2461149.69117 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576676 2026-04-19 04:35:17 2461149.69117 19.49 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
575098 2026-04-07 12:35:57 2461138.0249648 20.7902 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-04-15 22:52:54 - 2026-04-15 22:52:54 2461146.453397 - 2461146.453397 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577686 2026-04-15 22:52:54 2461146.453397 20.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-04-15 09:07:59 - 2026-04-15 09:07:59 2461145.880544 - 2461145.880544 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576457 2026-04-15 09:07:59 2461145.880544 20.2617 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-20 06:37:59 - 2026-04-20 06:37:59 2461150.7763773 - 2461150.7763773 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576459 2026-04-20 06:37:59 2461150.7763773 19.4675 0.114641 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-10 06:21:25 - 2026-04-16 07:19:06 2461140.7648727 - 2461146.8049306 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576458 2026-04-16 07:19:06 2461146.8049306 20.3077 0.190223 ABMag g-ZTF P48_ZTF-Cam
577983 2026-04-16 07:19:06 2461146.8049306 20.3168 0.289612 20.019 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
577982 2026-04-10 06:21:25 2461140.7648727 20.5497 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
r-Sloan CTIO-4m_DECAM 2026-04-12 06:18:34 - 2026-04-12 06:18:34 2461142.7628891 - 2461142.7628891 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575099 2026-04-12 06:18:34 2461142.7628891 22.188 0.0776708 ABMag r-Sloan CTIO-4m_DECAM
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
301484 2026-04-25 18:48:33 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 12:38:51.641 +06:49:46.70 2026-04-16 07:19:06.004 20.3168 g-ZTF PSN ZTF26aatdbpf ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aatdbpf N
301341 2026-04-24 12:56:07 GOTO_bot K. Ackley, M. Dyer, J. Lyman et al. GOTO GOTO 12:38:51.622 +06:49:46.71 2026-04-20 12:30:38.592 19.49 L-GOTO Other GOTO26dsv GOTO N
300838 2026-04-21 07:52:19 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:38:51.639 +06:49:46.73 2026-04-21 00:00:06.912 19.576 wide-ATLAS PSN ATLAS26eoj ATLAS N
300732 2026-04-20 07:00:39 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 12:38:51.639 +06:49:46.69 2026-04-16 07:19:06.003 20.3077 g-ZTF PSN ZTF26aatdbpf ZTF N
300052 2026-04-13 15:14:36 SAGUARO_Bot1 Conor Ransome (UofA), Bhagya Subrayan (UofA), David Sand (UofA) et al. Shadow Shadow 12:38:51.635 +06:49:46.75 2026-04-13 07:13:42.000 22.188 r-Sloan PSN Shadow 2026TNSTR1576....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23616 2026-05-04 17:05:01 ePESSTOplus_Bot1 Camila Cárdenas, Jasvinderjit Khaulsay, Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.09 1 ePESSTO+ 2026TNSCR1935....1C
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
23619 2026-05-04 04:49:10 ESO-NTT / EFOSC2-NTT 600 Camila Cárdenas, Jasvinderjit Khaulsay Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho ePESSTO+ tns_2026jmu_2026-05-04_04-49-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026jmu_2026-05-04_04-49-10_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 301484 of Group ZTF
Previous RA, DEC: 12:38:51.639, +06:49:46.69 (189.7151637, +6.8296362)
Updated RA, DEC: 12:38:51.641, +06:49:46.70 (189.71516918, +6.82963808)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 300732 of Group ZTF
Previous RA, DEC: 12:38:51.635, +06:49:46.75 (189.715145, +6.829653)
Updated RA, DEC: 12:38:51.639, +06:49:46.69 (189.7151637, +6.8296362)