RA/DEC (2000)
09:54:32.647 +20:52:15.98
148.636028747 +20.8711043279
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-09-24 12:40:31.002
TNS AT
Y
Public
Y
Discovery Mag
18.7658
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, 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_2025ylf - 2025-10-12 11:24:36 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
 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌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
22217 2025-10-12 11:24:36 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ylf_2025-10-12_11-24-36.221196_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-06-04 21:13:37 - 2025-10-04 06:08:31 2460831.384456 - 2460952.755917 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522618 2025-10-04 06:08:31 2460952.755917 18.38 0.14 ABMag L-GOTO GOTO-N_GOTO-2 180
522617 2025-06-04 21:13:37 2460831.384456 18.6 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-11-29 12:53:01 - 2025-11-29 12:53:01 2461009.03682 - 2461009.03682 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545927 2025-11-29 12:53:01 2461009.03682 20.53 0.1 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-09-23 12:43:10 - 2025-09-24 12:40:31 2460942.0299769 - 2460943.0281366 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519727 2025-09-24 12:40:31 2460943.0281366 18.7658 0.136004 18.993 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
519726 2025-09-23 12:43:10 2460942.0299769 18.4798 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-10-22 15:15:13 - 2025-10-22 15:15:13 2460971.13557 - 2460971.13557 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527852 2025-10-22 15:15:13 2460971.13557 19.24 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-10-29 13:51:38 - 2025-10-29 13:51:38 2460978.07752 - 2460978.07752 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527853 2025-10-29 13:51:38 2460978.07752 19.172 0.187 19.2 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
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
284680 2025-12-31 00:42:18 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 09:54:32.647 +20:52:15.98 2025-11-29 12:53:01.248 20.53 w-P1 PSN PS25liw Pan-STARRS N
275242 2025-10-30 14:29:27 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 09:54:32.665 +20:52:16.07 2025-10-29 13:51:37.728 19.172 orange-ATLAS PSN ATLAS25nmd ATLAS N
272659 2025-10-09 07:47:54 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 09:54:32.658 +20:52:15.54 2025-10-04 06:08:31.488 18.38 L-GOTO Other GOTO25iio GOTO N
271219 2025-09-24 18:41:10 ALeRCE A. Munoz-Arancibia,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 09:54:32.670 +20:52:15.97 2025-09-24 12:40:31.002 18.7658 r-ZTF PSN ZTF25abtkiku 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/ZTF25abtkiku 2025TNSTR3841....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
22217 2025-10-14 22:47:23 ZTF_Bot1 J. Johansson, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.08 1 ZTF 2025TNSCR4122....1J
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
22217 2025-10-12 11:24:36 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ylf_2025-10-12_11-24-36.221196_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 12/31/2025 - 00:42

Object coordinates updated

Object coordinates updated according to AT-report 284680 of Group Pan-STARRS
Previous RA, DEC: 09:54:32.670, +20:52:15.97 (148.6361263, +20.8711018)
Updated RA, DEC: 09:54:32.647, +20:52:15.98 (148.636028747, +20.8711043279)