RA/DEC (2000)
14:03:04.631 +08:56:52.98
210.76929743333 +8.9480512
Type
SN Ia
Redshift
0.02
Discovery ReportClassification Report
Related AstroNotes: 2026-205
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2026-06-25 06:27:06.998
TNS AT
Y
Public
Y
Host Name
SDSS J140304.46+085651.0
Host Redshift
0.02306595
Discovery Mag
18.5459
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, S. Jurado, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026qbu - 2026-06-25 00:00:00 Gemini-S / GMOS-S (GeminiClass)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

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
24151 2026-06-25 00:00:00 Gemini-S / GMOS-S Gemini GeminiClass tns_2026qbu_2026-06-25_Gemini-S_GMOS-S_GeminiClass.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2026-06-25 05:07:35 - 2026-06-25 05:07:35 2461216.7135995 - 2461216.7135995 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
594498 2026-06-25 05:07:35 2461216.7135995 20.0715 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
595520 2026-06-25 05:07:35 2461216.7135995 20.0715 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2026-06-25 06:27:07 - 2026-06-27 04:02:59 2461216.768831 - 2461218.6687384 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
595523 2026-06-27 04:02:59 2461218.6687384 18.164 0.0896305 19.2624 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
595522 2026-06-26 04:55:52 2461217.705463 18.4631 0.0947571 19.7255 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
594499 2026-06-25 06:27:07 2461216.768831 18.5459 0.0903655 19.8098 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
595521 2026-06-25 06:27:07 2461216.768831 18.5459 0.0903655 19.8098 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
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
310456 2026-06-28 03:07:49 ALeRCE F. Forster, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 14:03:04.631 +08:56:52.98 2026-06-25 06:27:06.998 18.5459 g-ZTF PSN SDSS J140304.46+085651.0 ZTF26abdukrq ZTF Early SN candidate (g-rise > 0.67+-0.05 mag/day) 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/ZTF26abdukrq N
310004 2026-06-25 15:18:35 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 14:03:04.636 +08:56:53.05 2026-06-25 06:27:06.998 18.5459 g-ZTF PSN SDSS J140304.46+085651.0 ZTF26abdukrq ZTF Early SN candidate (g-rise > 0.67+-0.05 mag/day) 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/ZTF26abdukrq 2026TNSTR2697....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
24145 2026-06-26 21:14:58 Priscila Pessi P. Pessi (NCBJ), A. Cikota (NOIRLab/Gemini South), K. Silva (NOIRLab/Gemini South), P. King (NOIRLab/Gemini South), P. Candia (NOIRLab/Gemini South), D. May (NOIRLab/Gemini South), V. Firpo (NOIRLab/Gemini South), F. Gran (NOIRLab/Gemini South), L. Magill (NOIRLab/Gemini South), R. Ruiz-Carmona (NOIRLab/Gemini South), S. Panda (NOIRLab/Gemini South), J. Font-Serra (NOIRLab/Gemini South), R. Angeloni (NOIRLab/Gemini South), V. Kalari (NOIRLab/Gemini South), C. Rodriguez (NOIRLab/Gemini South), J.-E. Heo (NOIRLab/Gemini South), T. Ahumada (NOIRLab/ SOAR), R. Cartier (University of Antofagasta), E. Sabbi (ISSI Bern), S. Cikota (CAHA) GeminiClass SN Ia 0.02 1 GeminiClass 2026TNSCR2717....1P
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
24151 2026-06-25 00:00:00 Gemini-S / GMOS-S Gemini GeminiClass tns_2026qbu_2026-06-25_Gemini-S_GMOS-S_GeminiClass.txt Object

Comments

TNS
System

Sun, 06/28/2026 - 03:07

Object coordinates updated

Object coordinates updated according to AT-report 310456 of Group ZTF
Previous RA, DEC: 14:03:04.636, +08:56:53.05 (210.7693176, +8.9480703)
Updated RA, DEC: 14:03:04.631, +08:56:52.98 (210.76929743333, +8.9480512)