RA/DEC (2000)
07:14:50.030 +16:58:47.01
108.708459751 +16.979724435
Type
SN IIn
Redshift
0.0163
Discovery ReportClassification Report
Related AstroNotes: 2025-334
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-12-10 11:53:15.648
TNS AT
Y
Public
Y
Discovery Mag
18.836
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), 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, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025aggl - 2025-12-14 00:00:00 UH88 / SNIFS (SCAT)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
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌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
▌Show [O II] at z=vexp= km/s
▌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

 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_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
22587 2025-12-14 00:00:00 UH88 / SNIFS C. Angus SCAT tns_2025aggl_2025-12-14_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-12-09 15:48:15 - 2025-12-09 15:48:15 2461019.158507 - 2461019.158507 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537331 2025-12-09 15:48:15 2461019.158507 19.4 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-12-10 23:18:37 - 2025-12-10 23:18:37 2461020.471255 - 2461020.471255 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537332 2025-12-10 23:18:37 2461020.471255 19.27 0.14 ABMag L-GOTO GOTO-N_GOTO-2 180
w-P1 PS2_GPC2 2026-01-09 08:31:49 - 2026-01-09 08:31:49 2461049.85543 - 2461049.85543 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
548125 2026-01-09 08:31:49 2461049.85543 17.55 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-12-16 08:18:42 - 2025-12-17 07:52:04 2461025.8463194 - 2461026.8278241 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539561 2025-12-17 07:52:04 2461026.8278241 18.4025 0.089041 ABMag r-ZTF P48_ZTF-Cam
539560 2025-12-16 08:18:42 2461025.8463194 18.5504 0.101971 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-12-12 09:56:08 - 2025-12-12 09:56:08 2461021.9139815 - 2461021.9139815 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539559 2025-12-12 09:56:08 2461021.9139815 20.2485 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-12-09 13:20:18 - 2025-12-09 13:20:18 2461019.05576 - 2461019.05576 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537274 2025-12-09 13:20:18 2461019.05576 18.97 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-10 11:53:16 - 2025-12-10 11:53:16 2461019.99532 - 2461019.99532 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537275 2025-12-10 11:53:16 2461019.99532 18.836 0.152 19.25 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 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
286288 2026-01-10 10:31:58 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 07:14:50.030 +16:58:47.01 2026-01-09 08:31:49.152 17.55 w-P1 PSN PS26bw Pan-STARRS N
280920 2025-12-17 11:10:00 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 07:14:50.043 +16:58:46.99 2025-12-16 08:18:41.996 18.5504 r-ZTF PSN ZTF25achapja ZTF N
279942 2025-12-10 23:52:28 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 07:14:50.042 +16:58:47.33 2025-12-10 23:18:36.864 19.27 L-GOTO Other GOTO25llm GOTO N
279911 2025-12-10 15:24:01 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 07:14:50.040 +16:58:47.27 2025-12-10 11:53:15.648 18.836 orange-ATLAS PSN ATLAS25plg ATLAS 2025TNSTR4906....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
22586 2025-12-14 12:53:09 Charlotte Angus C. Angus (QUB) on behalf of SCAT SCAT SN IIn 0.0163 1 SCAT 2025TNSCR4980....1A
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
22587 2025-12-14 00:00:00 UH88 / SNIFS C. Angus SCAT tns_2025aggl_2025-12-14_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Sat, 01/10/2026 - 10:31

Object coordinates updated

Object coordinates updated according to AT-report 286288 of Group Pan-STARRS
Previous RA, DEC: 07:14:50.043, +16:58:46.99 (108.7085116, +16.9797183)
Updated RA, DEC: 07:14:50.030, +16:58:47.01 (108.708459751, +16.979724435)

TNS
System

Wed, 12/17/2025 - 11:10

Object coordinates updated

Object coordinates updated according to AT-report 280920 of Group ZTF
Previous RA, DEC: 07:14:50.040, +16:58:47.27 (108.708502, +16.979798)
Updated RA, DEC: 07:14:50.043, +16:58:46.99 (108.7085116, +16.9797183)