RA/DEC (2000)
07:01:25.187 +56:32:05.48
105.3549458 +56.5348556875
Type
SN Ia
Redshift
0.046
Discovery ReportClassification Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2025-09-27 22:00:16.704
TNS AT
Y
Public
Y
Discovery Mag
19.24
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_2025ytn - 2025-10-04 10:40:10 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
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▌Show N II at z=vexp= km/s
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▌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
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▌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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
22153 2025-10-04 10:40:10 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025ytn_2025-10-04_10-40-09.994261_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-10-01 04:10:22 - 2025-10-01 04:10:22 2460949.67387 - 2460949.67387 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521449 2025-10-01 04:10:22 2460949.67387 17.804 0.044 19.96 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2025-09-18 04:54:39 - 2025-10-04 02:15:38 2460936.704625 - 2460952.594188 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522355 2025-10-04 02:15:38 2460952.594188 17.93 0.09 ABMag L-GOTO GOTO-N_GOTO-2 180
522354 2025-09-18 04:54:39 2460936.704625 19.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-23 10:26:46 - 2025-09-23 10:26:46 2460941.9352546 - 2460941.9352546 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521501 2025-09-23 10:26:46 2460941.9352546 20.3239 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-09-23 12:13:47 - 2025-10-01 10:19:19 2460942.0095718 - 2460949.930081 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521503 2025-10-01 10:19:19 2460949.930081 17.925 0.0525964 ABMag g-ZTF P48_ZTF-Cam
522579 2025-09-25 11:16:50 2460943.9700231 19.3581 0.13998 20.5444 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
521502 2025-09-23 12:13:47 2460942.0095718 20.6031 0.159244 ABMag g-ZTF P48_ZTF-Cam
522578 2025-09-23 12:13:47 2460942.0095718 20.5957 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-30 14:18:56 - 2025-09-30 14:18:56 2460949.09648 - 2460949.09648 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521448 2025-09-30 14:18:56 2460949.09648 19.49 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
Clear- Other_Other 2025-09-27 22:00:17 - 2025-09-27 22:00:17 2460946.41686 - 2460946.41686 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520563 2025-09-27 22:00:17 2460946.41686 19.24 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
272641 2025-10-08 18:16:34 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 07:01:25.187 +56:32:05.48 2025-09-25 11:16:49.996 19.3581 g-ZTF PSN ZTF25abtsusb ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abtsusb N
272545 2025-10-05 15:38:14 GOTO_bot S. Belkin,D. O'Neill,K. Ackley et al. GOTO GOTO 07:01:25.141 +56:32:05.60 2025-10-04 02:15:38.016 17.93 L-GOTO Other GOTO25igj GOTO N
272159 2025-10-01 11:18:23 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 07:01:25.192 +56:32:05.42 2025-09-23 12:13:47.003 20.6031 g-ZTF PSN ZTF25abtsusb ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
272138 2025-10-01 08:24:29 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 07:01:25.198 +56:32:05.61 2025-10-01 04:10:22.368 17.804 wide-ATLAS PSN ATLAS25mgi ATLAS N
271602 2025-09-28 11:20:10 XOSS_Bot0 Jianlin Xu,Mi Zhang,Guoyou Sun et al. XOSS XOSS 07:01:25.180 +56:32:05.60 2025-09-27 22:00:16.704 19.24 Clear- Other KATS25S015 XOSS Cataclysmic variable candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25s015.html 2025TNSTR3899....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
22153 2025-10-04 11:23:00 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 0.046 1 ZTF 2025TNSCR4006....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
22153 2025-10-04 10:40:10 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025ytn_2025-10-04_10-40-09.994261_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 10/08/2025 - 18:16

Object coordinates updated

Object coordinates updated according to AT-report 272641 of Group ZTF
Previous RA, DEC: 07:01:25.192, +56:32:05.42 (105.3549685, +56.5348383)
Updated RA, DEC: 07:01:25.187, +56:32:05.48 (105.3549458, +56.5348556875)

TNS
System

Wed, 10/01/2025 - 11:18

Object coordinates updated

Object coordinates updated according to AT-report 272159 of Group ZTF
Previous RA, DEC: 07:01:25.198, +56:32:05.61 (105.354991429, +56.5348914286)
Updated RA, DEC: 07:01:25.192, +56:32:05.42 (105.3549685, +56.5348383)

TNS
System

Wed, 10/01/2025 - 08:24

Object coordinates updated

Object coordinates updated according to AT-report 272138 of Group ATLAS
Previous RA, DEC: 07:01:25.180, +56:32:05.60 (105.354917, +56.534889)
Updated RA, DEC: 07:01:25.198, +56:32:05.61 (105.354991429, +56.5348914286)