RA/DEC (2000)
02:57:54.096 +26:52:41.56
44.4753988 +26.8782111
Type
---
Redshift
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2025-10-24 21:18:50.112
TNS AT
Y
Public
Y
Host Name
WISEA J025753.55+265249.3
Discovery Mag
19.27
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

Light curves

 GOTO-N_GOTO-2_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-10-06 01:17:08 - 2025-10-24 23:46:58 2460954.55357 - 2460973.49095 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528050 2025-10-24 23:46:58 2460973.49095 19.97 0.22 ABMag L-GOTO GOTO-N_GOTO-2 180
528049 2025-10-06 01:17:08 2460954.55357 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-13 10:08:27 - 2025-10-25 06:49:40 2460961.9225347 - 2460973.7844907 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526705 2025-10-25 06:49:40 2460973.7844907 19.7627 0.118209 ABMag r-ZTF P48_ZTF-Cam
526703 2025-10-13 10:08:27 2460961.9225347 20.9195 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-18 07:38:19 - 2025-10-18 07:38:19 2460966.8182755 - 2460966.8182755 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526704 2025-10-18 07:38:19 2460966.8182755 20.5996 0.158863 ABMag g-ZTF P48_ZTF-Cam
Clear- Other_Other 2025-10-24 21:18:50 - 2025-10-24 21:18:50 2460973.38808 - 2460973.38808 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526674 2025-10-24 21:18:50 2460973.38808 19.27 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
275328 2025-10-31 09:53:19 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 02:57:54.110 +26:52:41.82 2025-10-24 23:46:58.080 19.97 L-GOTO Other GOTO25jkb GOTO N
274732 2025-10-25 07:29:03 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 02:57:54.096 +26:52:41.56 2025-10-18 07:38:19.003 20.5996 g-ZTF PSN ZTF25abybuid ZTF N
274721 2025-10-24 23:31:23 XOSS_Bot0 Jianlin Xu, Mi Zhang, Guoyou Sun et al. XOSS XOSS 02:57:54.120 +26:52:41.30 2025-10-24 21:18:50.112 19.27 Clear- PSN WISEA J025753.55+265249.3 KATS25U020 XOSS SN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25u020.html 2025TNSTR4276....1X N
No Data

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 274732 of Group ZTF
Previous RA, DEC: 02:57:54.120, +26:52:41.30 (44.4755, +26.878139)
Updated RA, DEC: 02:57:54.096, +26:52:41.56 (44.4753988, +26.8782111)