RA/DEC (2000)
18:21:34.691 +26:56:18.85
275.394547067 +26.9385684889
Type
SN II
Redshift
0.01
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-04-30 10:00:34.001
TNS AT
Y
Public
Y
Host Name
UGC 11209
Discovery Mag
19.1681
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

Spectra

 SN_2025ivc - 2025-05-09 10:33:11 P60 / SEDM (ZTF)z=
Show H at z=vexp= km/s
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Show S II at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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Show Å at z=vexp= km/s
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Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
Show WR-WC/O at z=vexp= km/s
z-step:   v-step: 
   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
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-HKO_ATLAS-02_orange
 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
21008 2025-05-09 10:33:11 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025ivc_2025-05-09_10-33-11.198417_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-07-19 18:47:56 - 2025-07-21 19:34:56 2460876.28329 - 2460878.31593 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504096 2025-07-21 19:34:56 2460878.31593 19.53 ABMag Clear- LAST_LAST-Cam 400
504095 2025-07-19 18:47:56 2460876.28329 21.31 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-04-26 01:19:40 - 2025-05-04 01:04:55 2460791.555322 - 2460799.54508 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
486549 2025-05-04 01:04:55 2460799.54508 18.78 0.13 ABMag L-GOTO GOTO-N_GOTO-2 180
486548 2025-04-26 01:19:40 2460791.555322 19.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-04-30 10:00:34 - 2025-04-30 10:00:34 2460795.9170602 - 2460795.9170602 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
485088 2025-04-30 10:00:34 2460795.9170602 19.1681 0.0911303 20.7529 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-04-24 10:56:46 - 2025-04-24 10:56:46 2460789.956088 - 2460789.956088 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
485087 2025-04-24 10:56:46 2460789.956088 20.8984 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-28 12:44:30 - 2025-05-02 11:14:46 2460794.0309 - 2460797.96859 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
485606 2025-05-02 11:14:46 2460797.96859 18.756 0.134 19.28 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
485605 2025-04-28 12:44:30 2460794.0309 19.42 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2025-04-30 12:00:56 - 2025-04-30 12:00:56 2460796.00065 - 2460796.00065 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494582 2025-04-30 12:00:56 2460796.00065 19.03 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
263332 2025-07-22 05:20:20 LAST_Bot1 E. A. Zimmerman (WIS), R. Konno (WIS), A. Horowicz (WIS) et al. LAST LAST 18:21:34.707 +26:56:18.31 2025-07-21 19:34:56.352 19.53 Clear- PSN LAST N
258198 2025-06-12 11:37:06 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 18:21:34.691 +26:56:18.85 2025-04-30 12:00:56.160 19.03 w-P1 PSN PS25dge Pan-STARRS N
253911 2025-05-04 11:05:02 GOTO_bot A. Kumar, G. Ramsay, K. Ackley et al. GOTO GOTO 18:21:34.710 +26:56:19.35 2025-05-04 01:04:54.912 18.78 L-GOTO Other GOTO25chc GOTO N
253421 2025-05-02 16:22:40 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 18:21:34.686 +26:56:18.88 2025-05-02 11:14:46.176 18.756 orange-ATLAS PSN ATLAS25enm ATLAS N
253171 2025-04-30 14:07:10 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 18:21:34.693 +26:56:18.97 2025-04-30 10:00:34.001 19.1681 r-ZTF PSN UGC 11209 ZTF25aaoxrmn ZTF Early SN candidate (r-rise > 0.25+-0.02 mag/day) 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/ZTF25aaoxrmn 2025TNSTR1591....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21008 2025-05-09 12:03:13 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.01 1 ZTF 2025TNSCR1736....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
21008 2025-05-09 10:33:11 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025ivc_2025-05-09_10-33-11.198417_P60_SEDM_ZTF.ascii Object

Comments

Matt
Nicholl

QUB Girls in Maths and Physics

Identified in Pan-STARRS data by Eden McClelland, Eliza Owens, Julia Staniszewska, Bethany Martin, Zariya Kashif as part of the QUB Girls in Maths and Physics event.

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 258198 of Group Pan-STARRS
Previous RA, DEC: 18:21:34.693, +26:56:18.97 (275.3945562, +26.9386032)
Updated RA, DEC: 18:21:34.691, +26:56:18.85 (275.394547067, +26.9385684889)