RA/DEC (2000)
22:08:32.251 -16:08:53.95
332.134379686 -16.1483187184
Type
SN Ia
Redshift
0.063
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-07-06 10:25:50.001
TNS AT
Y
Public
Y
Discovery Mag
20.5159
Filter
g-ZTF
Reporter/s
Jacob Wise (LJMU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025qqj - 2025-07-18 04:59:57 LT / SPRAT (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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌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
21562 2025-07-18 04:59:57 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025qqj_2025-07-18_04-59-56.841_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-07-06 23:54:06 - 2025-07-23 22:24:03 2460498.4959 - 2460880.43337 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505007 2025-07-23 22:24:03 2460880.43337 18.32 ABMag Clear- LAST_LAST-Cam 400
505006 2024-07-06 23:54:06 2460498.4959 20.54 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-07-10 03:44:19 - 2025-07-10 03:44:19 2460866.65577 - 2460866.65577 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503337 2025-07-10 03:44:19 2460866.65577 18.1 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-07-20 11:58:42 - 2025-07-20 11:58:42 2460876.9991 - 2460876.9991 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545962 2025-07-20 11:58:42 2460876.9991 18.15 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-18 07:34:21 - 2025-07-18 07:34:21 2460874.81552 - 2460874.81552 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503350 2025-07-18 07:34:21 2460874.81552 18.042 0.091 19.07 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-16 23:32:40 - 2025-07-16 23:32:40 2460873.48102 - 2460873.48102 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503349 2025-07-16 23:32:40 2460873.48102 19.19 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-07-17 01:23:18 - 2025-07-17 01:23:18 2460873.557848 - 2460873.557848 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503338 2025-07-17 01:23:18 2460873.557848 18.01 0.11 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-07-05 08:54:42 - 2025-07-05 08:54:42 2460861.8713194 - 2460861.8713194 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501541 2025-07-05 08:54:42 2460861.8713194 20.3685 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-07-04 10:03:43 - 2025-07-09 08:38:59 2460860.9192477 - 2460865.8604051 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501543 2025-07-09 08:38:59 2460865.8604051 19.161 0.163692 ABMag g-ZTF P48_ZTF-Cam
501542 2025-07-06 10:25:50 2460862.9346065 20.5159 0.142642 ABMag g-ZTF P48_ZTF-Cam
502185 2025-07-06 10:25:50 2460862.9346065 20.5141 0.280585 20.382 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
502184 2025-07-04 10:03:43 2460860.9192477 20.3876 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
284715 2025-12-31 00:54:42 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 22:08:32.251 -16:08:53.95 2025-07-20 11:58:42.240 18.15 w-P1 PSN PS25lkd Pan-STARRS N
263758 2025-07-26 02:03:34 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 22:08:32.260 -16:08:54.31 2025-07-23 22:24:03.168 18.32 Clear- PSN LAST N
262943 2025-07-18 21:18:22 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 22:08:32.234 -16:08:54.29 2025-07-18 07:34:20.928 18.042 orange-ATLAS PSN ATLAS25hvo ATLAS N
262937 2025-07-18 18:23:16 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 22:08:32.250 -16:08:54.28 2025-07-17 01:23:18.240 18.01 L-GOTO Other GOTO25fbc GOTO N
262316 2025-07-12 18:16:17 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 22:08:32.240 -16:08:53.97 2025-07-06 10:25:50.002 20.5141 g-ZTF PSN ZTF25abaefwo ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abaefwo N
261896 2025-07-09 10:05:47 Fritz Jacob Wise (LJMU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 22:08:32.259 -16:08:54.16 2025-07-06 10:25:50.001 20.5159 g-ZTF PSN ZTF25abaefwo ZTF 2025TNSTR2632....1W N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21562 2025-07-18 15:52:50 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.063 1 1 ZTF Spectrum is well-fit to template spectra from previously classified SN Ia at a redshift of z = 0.063 ± 0.010, SN Ia subtype currently uncertain. Classification performed using Next Generation Superfit (NGSF; Goldwasser et al. 2022). 2025TNSCR2764....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025qqj_atrep_21562_ZTF.pdf NGSF fits 2025-07-18 15:52:50 Jacob Wise
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
21562 2025-07-18 04:59:57 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025qqj_2025-07-18_04-59-56.841_LT_SPRAT_ZTF.spec Object

Comments

TNS
System

Wed, 12/31/2025 - 00:54

Object coordinates updated

Object coordinates updated according to AT-report 284715 of Group Pan-STARRS
Previous RA, DEC: 22:08:32.240, -16:08:53.97 (332.13433441333, -16.148324086667)
Updated RA, DEC: 22:08:32.251, -16:08:53.95 (332.134379686, -16.1483187184)

TNS
System

Sat, 07/12/2025 - 18:16

Object coordinates updated

Object coordinates updated according to AT-report 262316 of Group ZTF
Previous RA, DEC: 22:08:32.259, -16:08:54.16 (332.1344145, -16.1483782)
Updated RA, DEC: 22:08:32.240, -16:08:53.97 (332.13433441333, -16.148324086667)