RA/DEC (2000)
18:19:41.056 +16:50:48.84
274.92106583334 +16.846898966667
Type
SN Ia
Redshift
Related AstroNotes: 2025-72
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2025-02-23 22:09:18.432
TNS AT
Y
Public
Y
Discovery Mag
18.92
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

Spectra

 SN_2025cnf - 2025-02-27 12:28:11 FLWO-1.5m / FAST (YSE)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 P48_ZTF-Cam_r
 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
20508 2025-02-27 12:28:11 FLWO-1.5m / FAST M Calkins S. Karthik Yadavalli, Jessica Mink YSE tns_2025cnf_2025-02-27_12-28-11_FLWO-1.5m_FAST_YSE.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-02-17 12:55:46 - 2025-02-23 12:27:32 2460724.0387269 - 2460730.0191204 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471458 2025-02-23 12:27:32 2460730.0191204 19.2386 0.114333 20.0755 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
471457 2025-02-21 12:29:42 2460728.020625 19.3911 0.151989 19.912 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
471456 2025-02-19 12:14:31 2460726.010081 20.0596 0.275664 19.9719 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
471455 2025-02-17 12:55:46 2460724.0387269 17.8413 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-02-23 15:58:56 - 2025-02-24 15:21:54 2460730.16593 - 2460731.14021 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471698 2025-02-24 15:21:54 2460731.14021 19.086 0.151 19.42 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
471697 2025-02-23 15:58:56 2460730.16593 18.15 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
Clear- Other_Other 2025-02-23 22:09:18 - 2025-02-23 22:09:18 2460730.42313 - 2460730.42313 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471279 2025-02-23 22:09:18 2460730.42313 18.92 0.19 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
245906 2025-02-25 09:00:19 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 18:19:41.074 +16:50:49.30 2025-02-24 15:21:54.144 19.086 orange-ATLAS PSN ATLAS25cas ATLAS N
245798 2025-02-24 17:52:54 ALeRCE S. Jurado,F.E. Bauer,F. Forster et al. ALeRCE ZTF 18:19:41.056 +16:50:48.84 2025-02-19 12:14:30.998 20.0596 r-ZTF PSN ZTF25aaglrlj ZTF SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aaglrlj N
245737 2025-02-24 02:32:57 Mi Zhang Jianlin Xu,Mi Zhang,Guoyou Sun et al. XOSS XOSS 18:19:41.070 +16:50:49.00 2025-02-23 22:09:18.432 18.92 Clear- Other KATS25D015 XOSS CV candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25d015.html 2025TNSTR.758....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
20508 2025-02-28 19:37:43 Srisurya Yadavalli Srisurya Yadavalli YSE SN Ia 1 YSE 2025TNSCR.840....1Y
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
20508 2025-02-27 12:28:11 FLWO-1.5m / FAST M Calkins S. Karthik Yadavalli, Jessica Mink YSE tns_2025cnf_2025-02-27_12-28-11_FLWO-1.5m_FAST_YSE.txt Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 245798 of Group ZTF
Previous RA, DEC: 18:19:41.070, +16:50:49.00 (274.921125, +16.846944)
Updated RA, DEC: 18:19:41.056, +16:50:48.84 (274.92106583333515, 16.846898966666668)