RA/DEC (2000)
07:49:40.106 +34:05:22.74
117.4171095375 +34.0896497375
Type
SN Ia
Redshift
0.075
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-10-11 10:22:49.996
TNS AT
Y
Public
Y
Host Name
SDSS J074940.13+340522.4
Discovery Mag
19.9518
Filter
g-ZTF
Reporter/s
F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, 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, E. Pizarro, 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_2025zzw - 2025-10-19 10:38:21 P60 / SEDM (ZTF)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

 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
22235 2025-10-19 10:38:21 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025zzw_2025-10-19_10-38-21.464780_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-10-03 04:46:28 - 2025-10-21 03:24:27 2460951.698925 - 2460969.641983 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525500 2025-10-21 03:24:27 2460969.641983 18.58 0.08 ABMag L-GOTO GOTO-N_GOTO-2 180
525499 2025-10-03 04:46:28 2460951.698925 19.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-08 11:46:25 - 2025-10-11 12:17:44 2460956.9905671 - 2460960.0123148 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523043 2025-10-11 12:17:44 2460960.0123148 19.6883 0.163215 19.8535 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
523041 2025-10-08 11:46:25 2460956.9905671 19.5742 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-10-08 11:08:33 - 2025-10-11 10:22:50 2460956.9642708 - 2460959.9325231 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523042 2025-10-11 10:22:50 2460959.9325231 19.9518 0.270677 19.5822 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
525270 2025-10-11 10:22:50 2460959.9325231 19.9518 0.270677 19.5822 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
525269 2025-10-08 11:08:33 2460956.9642708 19.5211 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-10-16 14:15:11 - 2025-10-16 14:15:11 2460965.09388 - 2460965.09388 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524358 2025-10-16 14:15:11 2460965.09388 18.973 0.161 19.49 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-10-12 14:23:08 - 2025-10-12 14:23:08 2460961.0994 - 2460961.0994 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524357 2025-10-12 14:23:08 2460961.0994 17.74 ABMag orange-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
274197 2025-10-21 12:44:48 GOTO_bot S. Belkin,D. O'Neill,K. Ackley et al. GOTO GOTO 07:49:40.130 +34:05:22.44 2025-10-21 03:24:27.072 18.58 L-GOTO Other GOTO25ivi GOTO N
274094 2025-10-20 18:14:23 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 07:49:40.106 +34:05:22.74 2025-10-11 10:22:49.996 19.9518 g-ZTF PSN ZTF25abwlscr ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abwlscr N
273663 2025-10-17 09:48:56 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 07:49:40.081 +34:05:23.16 2025-10-16 14:15:11.232 18.973 orange-ATLAS PSN ATLAS25mui ATLAS N
272948 2025-10-11 23:59:59 ALeRCE F. Forster,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 07:49:40.103 +34:05:22.70 2025-10-11 10:22:49.996 19.9518 g-ZTF PSN SDSS J074940.13+340522.4 ZTF25abwlscr ZTF Early SN candidate (r-rise > 0.07+-0.02 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/ZTF25abwlscr 2025TNSTR4066....1F N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22235 2025-10-19 11:30:55 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.075 1 ZTF 2025TNSCR4194....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
22235 2025-10-19 10:38:21 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025zzw_2025-10-19_10-38-21.464780_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Mon, 10/20/2025 - 18:14

Object coordinates updated

Object coordinates updated according to AT-report 274094 of Group ZTF
Previous RA, DEC: 07:49:40.103, +34:05:22.70 (117.4170960952, +34.089638066814)
Updated RA, DEC: 07:49:40.106, +34:05:22.74 (117.4171095375, +34.0896497375)