RA/DEC (2000)
23:19:04.800 -08:28:39.48
349.769998948 -8.47763416289
Type
SN Ic
Redshift
0.007452
Related AstroNotes: 2025-273
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-08-28 12:32:52.512
TNS AT
Y
Public
Y
Discovery Mag
19.22
Filter
L-GOTO
Reporter/s
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, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025vzq - 2025-08-29 02:51:27 NOT / ALFOSC (GOTO)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

 ATLAS-TDO_ATLAS-05_wide
 LAST_LAST-Cam_Clear
 GOTO-S_GOTO-3_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
21907 2025-08-29 02:51:27 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025vzq_2025-08-29_02-51-27.110_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-29 02:39:24 - 2025-08-29 02:39:24 2460916.61069 - 2460916.61069 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513626 2025-08-29 02:39:24 2460916.61069 18.818 0.068 20.25 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
Clear- LAST_LAST-Cam 2025-07-23 22:57:01 - 2025-09-04 20:00:59 2460880.45626 - 2460923.33402 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515644 2025-09-04 20:00:59 2460923.33402 16.85 ABMag Clear- LAST_LAST-Cam 380
515643 2025-07-23 22:57:01 2460880.45626 20.3 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-08-25 17:03:11 - 2025-08-28 12:32:53 2460913.210543 - 2460916.022834 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513429 2025-08-28 12:32:53 2460916.022834 19.22 0.14 ABMag L-GOTO GOTO-S_GOTO-3 180
513428 2025-08-25 17:03:11 2460913.210543 19.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-27 09:05:12 - 2025-08-30 08:35:20 2460914.8786111 - 2460917.8578704 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514155 2025-08-30 08:35:20 2460917.8578704 17.7094 0.0495805 ABMag r-ZTF P48_ZTF-Cam
514153 2025-08-27 09:05:12 2460914.8786111 20.3043 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-27 07:06:02 - 2025-08-30 06:34:57 2460914.7958565 - 2460917.7742708 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514154 2025-08-30 06:34:57 2460917.7742708 18.4597 0.0386556 ABMag g-ZTF P48_ZTF-Cam
516238 2025-08-30 06:34:57 2460917.7742708 18.453 0.072395 20.1372 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
516237 2025-08-27 07:06:02 2460914.7958565 20.2126 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-08-24 07:53:48 - 2025-08-24 07:53:48 2460911.82903 - 2460911.82903 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513625 2025-08-24 07:53:48 2460911.82903 19.89 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 110 Robot [Last non detection]
w-P1 PS1_GPC1 2025-09-01 11:14:59 - 2025-09-01 11:14:59 2460919.96874 - 2460919.96874 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516543 2025-09-01 11:14:59 2460919.96874 17.11 0.01 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
269759 2025-09-11 20:42:43 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 23:19:04.800 -08:28:39.48 2025-09-01 11:14:59.136 17.11 w-P1 PSN PS25hld Pan-STARRS N
269589 2025-09-09 18:16:17 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 23:19:04.795 -08:28:39.51 2025-08-30 06:34:56.997 18.453 g-ZTF PSN ZTF25abmsmeg ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abmsmeg N
269322 2025-09-04 20:19:54 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 23:19:04.808 -08:28:39.09 2025-09-04 20:00:59.328 16.85 Clear- PSN LAST N
268586 2025-08-30 09:06:25 Fritz Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 23:19:04.798 -08:28:39.49 2025-08-30 06:34:56.997 18.4597 g-ZTF PSN ZTF25abmsmeg ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
268323 2025-08-29 07:08:15 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 23:19:04.806 -08:28:39.28 2025-08-29 02:39:23.616 18.818 wide-ATLAS PSN ATLAS25kqi ATLAS N
268209 2025-08-28 13:31:03 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 23:19:04.770 -08:28:40.12 2025-08-28 12:32:52.512 19.22 L-GOTO Other GOTO25glk GOTO 2025TNSTR3412....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21907 2025-08-29 10:59:25 David O'Neill I. Worssam, M. Pursiainen, J. Lyman, D. O'Neill, T. Killestein, K. Ackley, M. Dyer, 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, A. Kumar on behalf of GOTO collaboration GOTO SN Ic 0.007452 1 GOTO Classified using template matching using SNID-SAGE. We also found a few matches to type Ib but cannot see evidence for strong He features in the spectrum. Redshift from host. 2025TNSCR3449....1W
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
21907 2025-08-29 02:51:27 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025vzq_2025-08-29_02-51-27.110_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 269759 of Group Pan-STARRS
Previous RA, DEC: 23:19:04.795, -08:28:39.51 (349.76998005, -8.4776414375)
Updated RA, DEC: 23:19:04.800, -08:28:39.48 (349.769998948, -8.47763416289)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 269589 of Group ZTF
Previous RA, DEC: 23:19:04.798, -08:28:39.49 (349.7699928, -8.4776367)
Updated RA, DEC: 23:19:04.795, -08:28:39.51 (349.76998005, -8.4776414375)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 268586 of Group ZTF
Previous RA, DEC: 23:19:04.806, -08:28:39.28 (349.77002625, -8.4775775)
Updated RA, DEC: 23:19:04.798, -08:28:39.49 (349.7699928, -8.4776367)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 268323 of Group ATLAS
Previous RA, DEC: 23:19:04.770, -08:28:40.12 (349.769874, -8.47781)
Updated RA, DEC: 23:19:04.806, -08:28:39.28 (349.77002625, -8.4775775)