RA/DEC (2000)
02:17:53.278 -16:00:59.55
34.4719902705 -16.0165428335
Type
SN Ia
Redshift
0.07
Discovery ReportClassification Report
Related AstroNotes: 2025-304
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-12 06:45:05.002
TNS AT
Y
Public
Y
Discovery Mag
19.1099
Filter
g-ZTF
Reporter/s
Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025aadr - 2025-10-21 03:20:27 NOT / ALFOSC (None)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-S_GOTO-3_L
 ▌PS2_GPC2_g
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
22263 2025-10-21 03:20:27 NOT / ALFOSC 1200 Jouni Valkjärvi, Emma Johtela, Emily Sageser, Uliana Pylypenko None tns_2025aadr_2025-10-21_03-20-27_NOT_ALFOSC_None.txt tns_2025aadr_2025-10-21_03-20-27_NOT_ALFOSC_None.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-09-03 23:28:05 - 2025-10-24 20:32:05 2460922.47784 - 2460973.35561 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526641 2025-10-24 20:32:05 2460973.35561 18.65 ABMag Clear- LAST_LAST-Cam 400
526640 2025-09-03 23:28:05 2460922.47784 19.84 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-10-18 14:09:27 - 2025-10-18 14:09:27 2460967.089898 - 2460967.089898 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524858 2025-10-18 14:09:27 2460967.089898 18.6 0.19 ABMag L-GOTO GOTO-S_GOTO-3 180
g-P1 PS2_GPC2 2025-11-11 10:08:12 - 2025-11-11 10:08:12 2460990.92236 - 2460990.92236 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530349 2025-11-11 10:08:12 2460990.92236 19.65 0.16 21 ABMag g-P1 PS2_GPC2 27 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-10-12 05:27:04 - 2025-10-12 05:27:04 2460960.72713 - 2460960.72713 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524008 2025-10-12 05:27:04 2460960.72713 19.06 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-10-08 03:05:30 - 2025-10-08 03:05:30 2460956.628822 - 2460956.628822 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524857 2025-10-08 03:05:30 2460956.628822 18.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-12 09:36:27 - 2025-10-12 09:36:27 2460960.9003125 - 2460960.9003125 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523264 2025-10-12 09:36:27 2460960.9003125 19.1649 0.0645389 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-09 08:41:33 - 2025-10-12 06:45:05 2460957.8621875 - 2460960.7813079 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523263 2025-10-12 06:45:05 2460960.7813079 19.1099 0.116115 ABMag g-ZTF P48_ZTF-Cam
524976 2025-10-12 06:45:05 2460960.7813079 19.1099 0.116115 19.799 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
523262 2025-10-09 08:41:33 2460957.8621875 19.1209 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
524975 2025-10-09 08:41:33 2460957.8621875 19.1209 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-10-13 10:33:49 - 2025-10-13 10:33:49 2460961.94015 - 2460961.94015 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524009 2025-10-13 10:33:49 2460961.94015 19.038 0.189 19.04 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
276358 2025-11-11 17:49:16 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 02:17:53.278 -16:00:59.55 2025-11-11 10:08:11.904 19.65 g-P1 PSN PS25iil Pan-STARRS N
274704 2025-10-24 20:53:40 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 02:17:53.304 -16:00:59.49 2025-10-24 20:32:04.704 18.65 Clear- PSN LAST N
273960 2025-10-19 18:18:11 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 02:17:53.272 -16:00:59.38 2025-10-12 06:45:05.003 19.1099 g-ZTF PSN ZTF25abwpmrd ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abwpmrd N
273900 2025-10-19 10:40:57 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 02:17:53.273 -16:00:59.84 2025-10-18 14:09:27.360 18.6 L-GOTO Other GOTO25irp GOTO N
273438 2025-10-15 12:35:09 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 02:17:53.272 -16:00:59.42 2025-10-13 10:33:48.960 19.038 orange-ATLAS PSN ATLAS25mrh ATLAS N
273067 2025-10-12 15:37:43 Fritz Daniel Perley (LJMU),Christoffer Fremling (Caltech),Theophile du Laz (Caltech) on behalf of ZTF et al. ZTF ZTF 02:17:53.268 -16:00:59.40 2025-10-12 06:45:05.002 19.1099 g-ZTF PSN ZTF25abwpmrd ZTF 2025TNSTR4086....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22263 2025-10-21 13:33:49 Tuomas Kangas Jouni Valkjärvi, Emma Johtela, Emily Sageser, Uliana Pylypenko, Tuomas Kangas, Christina Humina, Erkki Kankare (University of Turku), Niko Pyykkinen (NOT) None SN Ia 0.07 1 Classification was done using SNID (Blondin & Tonry 2007 2007ApJ...666.1024B) as part of a remote observing course at the University of Turku. AT 2025aadr is matched by a normal SN Ia around peak. The redshift of AT 2025aadr is based on the SNID fit, as no host galaxy lines are clear in the spectrum. 2025TNSCR4231....1V
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
22263 2025-10-21 03:20:27 NOT / ALFOSC 1200 Jouni Valkjärvi, Emma Johtela, Emily Sageser, Uliana Pylypenko None tns_2025aadr_2025-10-21_03-20-27_NOT_ALFOSC_None.txt tns_2025aadr_2025-10-21_03-20-27_NOT_ALFOSC_None.fits Object

Comments

TNS
System

Tue, 11/11/2025 - 17:49

Object coordinates updated

Object coordinates updated according to AT-report 276358 of Group Pan-STARRS
Previous RA, DEC: 02:17:53.272, -16:00:59.38 (34.471967675, -16.016493375)
Updated RA, DEC: 02:17:53.278, -16:00:59.55 (34.4719902705, -16.0165428335)

TNS
System

Sun, 10/19/2025 - 18:18

Object coordinates updated

Object coordinates updated according to AT-report 273960 of Group ZTF
Previous RA, DEC: 02:17:53.268, -16:00:59.40 (34.4719505, -16.0164991)
Updated RA, DEC: 02:17:53.272, -16:00:59.38 (34.471967675, -16.016493375)