RA/DEC (2000)
16:28:49.952 +20:32:50.64
247.208134059 +20.5474001178
Type
SN II
Redshift
0.09
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-14 09:32:40.416
TNS AT
Y
Public
Y
Discovery Mag
19.158
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

Spectra

 SN_2025nni - 2025-08-09 03:53:52 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
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Show C III 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
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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
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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-S_GOTO-3_L
 PS2_GPC2_w
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
   
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
21763 2025-08-09 03:53:52 P60 / SEDM 2700 SEDmRobot ZTF tns_2025nni_2025-08-09_03-53-51.709577_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-06-24 21:27:40 - 2025-07-25 18:22:22 2460486.39421 - 2460882.26553 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504983 2025-07-25 18:22:22 2460882.26553 19.06 ABMag Clear- LAST_LAST-Cam 400
504982 2024-06-24 21:27:40 2460486.39421 21.68 ABMag Clear- LAST_LAST-Cam 7380 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-06-15 12:46:08 - 2025-06-15 12:46:08 2460842.032038 - 2460842.032038 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498629 2025-06-15 12:46:08 2460842.032038 18.3 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2025-06-19 06:40:31 - 2025-06-19 06:40:31 2460845.77814 - 2460845.77814 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509972 2025-06-19 06:40:31 2460845.77814 18.89 0.03 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-06-16 22:32:34 - 2025-06-16 22:32:34 2460843.439282 - 2460843.439282 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498630 2025-06-16 22:32:34 2460843.439282 18.51 0.15 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-06-06 07:03:57 - 2025-06-14 06:56:34 2460832.7944097 - 2460840.7892824 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495150 2025-06-14 06:56:34 2460840.7892824 18.9601 0.111021 ABMag r-ZTF P48_ZTF-Cam
495149 2025-06-08 08:22:54 2460834.8492361 19.6773 0.202674 ABMag r-ZTF P48_ZTF-Cam
496229 2025-06-08 08:22:54 2460834.8492361 19.6773 0.202674 19.9465 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
496228 2025-06-06 07:03:57 2460832.7944097 20.0269 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-06-06 08:42:53 - 2025-06-06 08:42:53 2460832.8631134 - 2460832.8631134 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495148 2025-06-06 08:42:53 2460832.8631134 19.8299 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-13 10:10:23 - 2025-06-14 09:32:40 2460839.92388 - 2460840.89769 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495099 2025-06-14 09:32:40 2460840.89769 19.158 0.181 19.3 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
495098 2025-06-13 10:10:23 2460839.92388 18.75 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
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
266437 2025-08-17 22:34:58 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 16:28:49.952 +20:32:50.64 2025-06-19 06:40:31.296 18.89 w-P1 PSN PS25gou Pan-STARRS N
263745 2025-07-25 20:08:32 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 16:28:49.962 +20:32:50.78 2025-07-25 18:22:21.792 19.06 Clear- PSN LAST N
260227 2025-06-27 07:00:24 GOTO_bot A. Kumar, G. Ramsay, K. Ackley et al. GOTO GOTO 16:28:49.953 +20:32:50.75 2025-06-16 22:32:33.792 18.51 L-GOTO Other GOTO25eit GOTO N
259076 2025-06-18 18:14:12 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 16:28:49.965 +20:32:50.58 2025-06-08 08:22:53.999 19.6773 r-ZTF PSN ZTF25aauczue ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aauczue N
258515 2025-06-14 18:49:22 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:28:49.967 +20:32:50.77 2025-06-08 08:22:53.999 19.6773 r-ZTF PSN ZTF25aauczue ZTF N
258491 2025-06-14 14:43:32 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 16:28:49.963 +20:32:50.53 2025-06-14 09:32:40.416 19.158 orange-ATLAS PSN ATLAS25gcx ATLAS 2025TNSTR2213....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21763 2025-08-11 18:39:42 ZTF_Bot1 J. Sollerman, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.09 1 ZTF 2025TNSCR3150....1S
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
21763 2025-08-09 03:53:52 P60 / SEDM 2700 SEDmRobot ZTF tns_2025nni_2025-08-09_03-53-51.709577_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 266437 of Group Pan-STARRS
Previous RA, DEC: 16:28:49.965, +20:32:50.58 (247.20818572, +20.54738389)
Updated RA, DEC: 16:28:49.952, +20:32:50.64 (247.208134059, +20.5474001178)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 259076 of Group ZTF
Previous RA, DEC: 16:28:49.967, +20:32:50.77 (247.2081977, +20.5474351)
Updated RA, DEC: 16:28:49.965, +20:32:50.58 (247.20818572, +20.54738389)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 258515 of Group ZTF
Previous RA, DEC: 16:28:49.963, +20:32:50.53 (247.20818, +20.54737)
Updated RA, DEC: 16:28:49.967, +20:32:50.77 (247.2081977, +20.5474351)