RA/DEC (2000)
21:32:12.672 +21:30:49.02
323.052798377 +21.5136156493
Type
SN II
Redshift
0.021
Discovery ReportClassification Report
Related AstroNotes: 2025-248
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-30 00:29:17.376
TNS AT
Y
Public
Y
Discovery Mag
19.13
Filter
L-GOTO
Reporter/s
A. Kumar, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025spw - 2025-08-09 04:35:03 ESO-NTT / EFOSC2-NTT (ePESSTO+)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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-4_L
 ▌PS2_GPC2_w
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
21732 2025-08-09 04:35:03 ESO-NTT / EFOSC2-NTT 900 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter ePESSTO+ tns_2025spw_2025-08-09_04-35-03_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025spw_2025-08-09_04-35-03_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-07-22 22:59:52 - 2025-07-30 23:20:37 2460879.45824 - 2460887.47265 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506300 2025-07-30 23:20:37 2460887.47265 19.24 ABMag Clear- LAST_LAST-Cam 400
506299 2025-07-22 22:59:52 2460879.45824 21 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-4 2025-07-24 15:57:00 - 2025-07-24 15:57:00 2460881.164585 - 2460881.164585 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506082 2025-07-24 15:57:00 2460881.164585 19.8 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
w-P1 PS2_GPC2 2025-07-21 09:47:35 - 2025-07-21 09:47:35 2460877.90804 - 2460877.90804 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507654 2025-07-21 09:47:35 2460877.90804 20.61 0.14 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-07-30 00:29:17 - 2025-07-30 00:29:17 2460886.520337 - 2460886.520337 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506083 2025-07-30 00:29:17 2460886.520337 19.13 0.08 ABMag L-GOTO GOTO-N_GOTO-1 360
r-ZTF P48_ZTF-Cam 2025-08-18 08:14:01 - 2025-09-17 05:48:14 2460905.8430671 - 2460935.7418287 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517974 2025-09-17 05:48:14 2460935.7418287 17.9498 0.042644 ABMag r-ZTF P48_ZTF-Cam
517972 2025-08-18 08:14:01 2460905.8430671 20.7054 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-22 07:37:55 - 2025-08-22 07:37:55 2460909.8179977 - 2460909.8179977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517973 2025-08-22 07:37:55 2460909.8179977 17.585 0.046873 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-07-27 13:07:04 - 2025-07-28 10:04:21 2460884.04657 - 2460884.91969 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506343 2025-07-28 10:04:21 2460884.91969 19.234 0.143 19.65 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
506342 2025-07-27 13:07:04 2460884.04657 19.55 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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
270418 2025-09-17 07:36:05 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 21:32:12.679 +21:30:49.07 2025-08-22 07:37:55.001 17.585 g-ZTF PSN ZTF25abrryzh ZTF N
265148 2025-08-06 14:39:11 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 21:32:12.672 +21:30:49.02 2025-07-21 09:47:34.656 20.61 w-P1 PSN PS25fye Pan-STARRS N
264413 2025-07-31 08:45:42 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:32:12.679 +21:30:49.20 2025-07-28 10:04:21.216 19.234 orange-ATLAS PSN ATLAS25ipg ATLAS N
264395 2025-07-31 04:58:45 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 21:32:12.647 +21:30:48.70 2025-07-30 23:20:36.960 19.24 Clear- PSN LAST N
264302 2025-07-30 06:09:00 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 21:32:12.677 +21:30:49.32 2025-07-30 00:29:17.376 19.13 L-GOTO Other GOTO25fod GOTO 2025TNSTR2985....1K N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21732 2025-08-09 18:19:17 ePESSTOplus_Bot1 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani, Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN II 0.021 1 ePESSTO+ 2025TNSCR3127....1v
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
21732 2025-08-09 04:35:03 ESO-NTT / EFOSC2-NTT 900 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter ePESSTO+ tns_2025spw_2025-08-09_04-35-03_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025spw_2025-08-09_04-35-03_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Wed, 08/06/2025 - 14:39

Object coordinates updated

Object coordinates updated according to AT-report 265148 of Group Pan-STARRS
Previous RA, DEC: 21:32:12.679, +21:30:49.20 (323.052828235, +21.5136676471)
Updated RA, DEC: 21:32:12.672, +21:30:49.02 (323.052798377, +21.5136156493)

TNS
System

Thu, 07/31/2025 - 08:45

Object coordinates updated

Object coordinates updated according to AT-report 264413 of Group ATLAS
Previous RA, DEC: 21:32:12.647, +21:30:48.70 (323.05269587732, +21.513526610525)
Updated RA, DEC: 21:32:12.679, +21:30:49.20 (323.052828235, +21.5136676471)

TNS
System

Thu, 07/31/2025 - 04:58

Object coordinates updated

Object coordinates updated according to AT-report 264395 of Group LAST
Previous RA, DEC: 21:32:12.677, +21:30:49.32 (323.052819, +21.513701)
Updated RA, DEC: 21:32:12.647, +21:30:48.70 (323.05269587732, +21.513526610525)