RA/DEC (2000)
16:56:41.836 +02:52:12.49
254.174318697 +2.87013635508
Type
SN II
Redshift
0.030498
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-01-01 13:28:56.003
TNS AT
Y
Public
Y
Discovery Mag
19.0542
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF

Spectra

 SN_2025ann - 2025-02-02 13:13:12 P200 / NGPS (ZTF)z=
Show H at z=vexp= km/s
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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
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Show Tellurics 
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Show WR-WN at z=vexp= km/s
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   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_g
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 ATLAS-HKO_ATLAS-02_orange
 ATLAS-HKO_ATLAS-02_cyan
 PS1_GPC1_w
   
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
20406 2025-02-02 13:13:12 P200 / NGPS Christoffer Fremling, Kaustav Kashyap Das, Nicholas Earley, Yu-Jing Qin, Sam Rose Sam Rose ZTF tns_2025ann_2025-02-02_13-13-12_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-07-01 21:20:48 - 2025-06-04 23:02:01 2460493.38945 - 2460831.45973 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493635 2025-06-04 23:02:01 2460831.45973 18.81 ABMag Clear- LAST_LAST-Cam 400
493634 2024-07-01 21:20:48 2460493.38945 20.46 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-01-12 06:58:09 - 2025-01-12 06:58:09 2460687.790376 - 2460687.790376 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
486873 2025-01-12 06:58:09 2460687.790376 18.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-P1 PS2_GPC2 2025-03-08 15:34:41 - 2025-03-08 15:34:41 2460743.14909 - 2460743.14909 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
474129 2025-03-08 15:34:41 2460743.14909 19.72 0.13 21 ABMag g-P1 PS2_GPC2 27 Robot
L-GOTO GOTO-N_GOTO-1 2025-02-26 04:18:29 - 2025-02-26 04:18:29 2460732.679503 - 2460732.679503 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
486874 2025-02-26 04:18:29 2460732.679503 18.66 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-01-01 13:28:56 - 2025-01-31 12:05:01 2460677.0617593 - 2460707.0034838 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465804 2025-01-31 12:05:01 2460707.0034838 18.9056 0.0960458 ABMag r-ZTF P48_ZTF-Cam
465803 2025-01-01 13:28:56 2460677.0617593 19.0542 0.125887 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-01-25 16:06:24 - 2025-01-25 16:06:24 2460701.17111 - 2460701.17111 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467283 2025-01-25 16:06:24 2460701.17111 18.91 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-02-06 15:45:05 - 2025-02-06 15:45:05 2460713.15631 - 2460713.15631 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467284 2025-02-06 15:45:05 2460713.15631 19.271 0.191 19.42 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
w-P1 PS1_GPC1 2025-04-03 13:39:45 - 2025-04-03 13:39:45 2460769.06927 - 2460769.06927 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480915 2025-04-03 13:39:45 2460769.06927 18.71 0.03 22 ABMag w-P1 PS1_GPC1 45 Robot
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
257770 2025-06-05 01:14:39 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 16:56:41.852 +02:52:12.96 2025-06-04 23:02:00.672 18.81 Clear- PSN LAST N
254199 2025-05-06 10:08:52 GOTO_bot A. Kumar,J. Lyman,K. Ackley et al. GOTO GOTO 16:56:41.826 +02:52:12.51 2025-02-26 04:18:28.800 18.66 L-GOTO Other GOTO25cfq GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Virgilio Gonano, Antonio Pasqua, M.T. Mazzucato, Ciro Sirio Perrella, Henryk Krawczyk N
251000 2025-04-05 12:10:06 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 16:56:41.836 +02:52:12.49 2025-04-03 13:39:44.928 18.71 w-P1 PSN PS25zq Pan-STARRS N
247136 2025-03-08 18:30:14 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 16:56:41.844 +02:52:12.53 2025-03-08 15:34:41.376 19.72 g-P1 PSN PS25zq Pan-STARRS N
243684 2025-02-06 23:18:18 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 16:56:41.803 +02:52:13.54 2025-02-06 15:45:05.184 19.271 cyan-ATLAS PSN ATLAS25blx ATLAS N
243025 2025-01-31 13:21:13 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 16:56:41.847 +02:52:12.59 2025-01-01 13:28:56.003 19.0542 r-ZTF PSN ZTF25aabaanf ZTF 2025TNSTR.430....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20406 2025-02-18 20:22:54 ZTF_Bot1 S. Rose, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.030498 1 ZTF 2025TNSCR.668....1R
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
20406 2025-02-02 13:13:12 P200 / NGPS Christoffer Fremling, Kaustav Kashyap Das, Nicholas Earley, Yu-Jing Qin, Sam Rose Sam Rose ZTF tns_2025ann_2025-02-02_13-13-12_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 251000 of Group Pan-STARRS
Previous RA, DEC: 16:56:41.844, +02:52:12.53 (254.1743494, +2.87014689942)
Updated RA, DEC: 16:56:41.836, +02:52:12.49 (254.174318697, +2.87013635508)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 247136 of Group Pan-STARRS
Previous RA, DEC: 16:56:41.847, +02:52:12.59 (254.1743639, +2.8701628)
Updated RA, DEC: 16:56:41.844, +02:52:12.53 (254.1743494, 2.87014689942)