RA/DEC (2000)
22:29:54.908 -08:16:35.82
337.478782 -8.2766179
Type
SN II
Redshift
0.035
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-09-27 21:07:23.232
TNS AT
Y
Public
Y
Discovery Mag
19.87
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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ytq - 2025-10-01 06:26:43 Magellan-Baade / IMACS (POISE)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-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
   
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
22152 2025-10-01 06:26:43 Magellan-Baade / IMACS Burns, Hsiao Morrell POISE tns_2025ytq_2025-10-01_06-26-43_Magellan-Baade_IMACS_POISE.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-09-26 21:07:24 - 2025-09-27 21:07:23 2460945.380144 - 2460946.380128 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520575 2025-09-27 21:07:23 2460946.380128 19.87 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
520574 2025-09-26 21:07:24 2460945.380144 19.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-09-26 04:39:16 - 2025-09-26 04:39:16 2460944.6939352 - 2460944.6939352 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521749 2025-09-26 04:39:16 2460944.6939352 19.6483 ABMag i-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
r-ZTF P48_ZTF-Cam 2025-10-01 06:33:13 - 2025-10-01 06:33:13 2460949.7730671 - 2460949.7730671 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521750 2025-10-01 06:33:13 2460949.7730671 19.9046 0.188314 20.0136 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
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
272263 2025-10-01 20:06:09 ALeRCE A. Munoz-Arancibia,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 22:29:54.908 -08:16:35.82 2025-10-01 06:33:12.997 19.9046 r-ZTF PSN SDSS J222955.39-081645.5 ZTF25aburhrr ZTF Early SN candidate (r-rise > 0.09+-0.03 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/ZTF25aburhrr N
271608 2025-09-28 14:39:08 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 22:29:54.942 -08:16:36.69 2025-09-27 21:07:23.232 19.87 L-GOTO Other GOTO25hxl GOTO 2025TNSTR3895....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
22152 2025-10-03 16:06:08 Eric Hsiao C. Burns, N. Morrell (Carnegie), C. Brown, F. Davis, A. Howell, C. Robbins, G. Rodriguez, H. Xiao, E. Hsiao (FSU) POISE SN II 0.035 1 POISE 2025TNSCR3989....1B
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
22152 2025-10-01 06:26:43 Magellan-Baade / IMACS Burns, Hsiao Morrell POISE tns_2025ytq_2025-10-01_06-26-43_Magellan-Baade_IMACS_POISE.dat Object

Comments

TNS
System

Wed, 10/01/2025 - 20:06

Object coordinates updated

Object coordinates updated according to AT-report 272263 of Group ZTF
Previous RA, DEC: 22:29:54.942, -08:16:36.69 (337.478927, -8.276858)
Updated RA, DEC: 22:29:54.908, -08:16:35.82 (337.478782, -8.2766179)