RA/DEC (2000)
23:43:30.276 +36:22:27.64
355.8761488 +36.3743443
Type
SLSN-I
Redshift
0.2
Discovery ReportClassification Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2025-07-02 19:56:53.952
TNS AT
Y
Public
Y
Discovery Mag
19.28
Filter
Clear-
Reporter/s
Jianlin Xu, Mi Zhang, Guoyou Sun, Jiangao Ruan, Jingyuan Zhao, Wenjie Zhou, Yong Ma, Ye, Zhuoyang Chen (Xingming Obs.), Hanjie Tan (AUUK), Guangwei Wu (NAAA), Xing Gao, Ali Esamdin, Chunhai Bai, Yong Wang (XAO), on behalf of the KATS team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025qdz - 2025-08-04 09:16:56 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
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌Other_Other_Clear
   
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
21792 2025-08-04 09:16:56 P60 / SEDM 2700 SEDmRobot ZTF tns_2025qdz_2025-08-04_09-16-55.761682_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-07-29 03:07:12 - 2025-07-29 03:07:12 2460885.629995 - 2460885.629995 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506038 2025-07-29 03:07:12 2460885.629995 18.9 0.09 ABMag L-GOTO GOTO-N_GOTO-2 360
L-GOTO GOTO-N_GOTO-1 2025-07-13 03:29:31 - 2025-07-13 03:29:31 2460869.645496 - 2460869.645496 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506037 2025-07-13 03:29:31 2460869.645496 19 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-06-25 11:13:11 - 2025-06-29 08:56:19 2460851.9674884 - 2460855.8724421 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501327 2025-06-29 08:56:19 2460855.8724421 20.2111 0.155842 ABMag r-ZTF P48_ZTF-Cam
501326 2025-06-25 11:13:11 2460851.9674884 20.3073 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-07-03 09:17:51 - 2025-07-03 09:17:51 2460859.8873958 - 2460859.8873958 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501328 2025-07-03 09:17:51 2460859.8873958 19.2236 0.128465 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-07-03 13:09:35 - 2025-07-03 13:09:35 2460860.04832 - 2460860.04832 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500749 2025-07-03 13:09:35 2460860.04832 18.971 0.108 19.53 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-07-02 14:53:57 - 2025-07-02 14:53:57 2460859.1208 - 2460859.1208 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500748 2025-07-02 14:53:57 2460859.1208 18.38 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
Clear- Other_Other 2025-07-02 19:56:54 - 2025-07-02 19:56:54 2460859.33118 - 2460859.33118 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500528 2025-07-02 19:56:54 2460859.33118 19.28 0.17 19.5 VegaMag Clear- Other_Other 60 Xing Gao
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
264281 2025-07-29 22:29:09 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 23:43:30.274 +36:22:27.25 2025-07-29 03:07:12.000 18.9 L-GOTO Other GOTO25fmn GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Ciro Sirio Perrella, M.T. Mazzucato, Antonio Pasqua, Henryk Krawczyk, Svetoslav Alexandrov N
261794 2025-07-07 14:47:51 Fritz Daniel Perley (LJMU),Christoffer Fremling (Caltech),Theophile du Laz (Caltech) on behalf of ZTF et al. ZTF ZTF 23:43:30.276 +36:22:27.64 2025-06-29 08:56:18.997 20.2111 r-ZTF PSN ZTF25aazhyde ZTF N
261477 2025-07-04 12:47:08 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:43:30.276 +36:22:27.75 2025-07-03 13:09:34.848 18.971 cyan-ATLAS PSN ATLAS25gxi ATLAS N
261355 2025-07-03 11:23:02 Mi Zhang Jianlin Xu,Mi Zhang,Guoyou Sun et al. XOSS XOSS 23:43:30.290 +36:22:27.30 2025-07-02 19:56:53.952 19.28 Clear- Other KATS25N001 XOSS CV candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25n001.html 2025TNSTR2542....1X N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21792 2025-08-15 21:06:13 ZTF_Bot1 R. Lunnan, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SLSN-I 0.2 1 ZTF 2025TNSCR3224....1L
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
21792 2025-08-04 09:16:56 P60 / SEDM 2700 SEDmRobot ZTF tns_2025qdz_2025-08-04_09-16-55.761682_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Mon, 07/07/2025 - 14:47

Object coordinates updated

Object coordinates updated according to AT-report 261794 of Group ZTF
Previous RA, DEC: 23:43:30.276, +36:22:27.75 (355.87615, +36.374374)
Updated RA, DEC: 23:43:30.276, +36:22:27.64 (355.8761488, +36.3743443)

TNS
System

Fri, 07/04/2025 - 12:47

Object coordinates updated

Object coordinates updated according to AT-report 261477 of Group ATLAS
Previous RA, DEC: 23:43:30.290, +36:22:27.30 (355.876208, +36.37425)
Updated RA, DEC: 23:43:30.276, +36:22:27.75 (355.87615, +36.374374)