RA/DEC (2000)
10:04:00.037 +74:46:08.68
151.0001549 +74.7690766
Type
SN Ia
Redshift
0.056
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-12-09 01:12:29.376
TNS AT
Y
Public
Y
Discovery Mag
19.08
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, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025aghx - 2025-12-12 07:48:21 P60 / SEDM (ZTF)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-2_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
   
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
22564 2025-12-12 07:48:21 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aghx_2025-12-12_07-48-21.342226_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-12-07 03:29:36 - 2025-12-09 01:12:29 2461016.645545 - 2461018.550338 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537445 2025-12-09 01:12:29 2461018.550338 19.08 0.16 ABMag L-GOTO GOTO-N_GOTO-2 180
537444 2025-12-07 03:29:36 2461016.645545 19.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-07 07:44:33 - 2025-12-11 11:19:13 2461016.8226042 - 2461020.9716782 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537615 2025-12-11 11:19:13 2461020.9716782 18.6062 0.0919406 ABMag r-ZTF P48_ZTF-Cam
537614 2025-12-07 07:44:33 2461016.8226042 19.0887 0.139466 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-11-09 10:51:50 - 2025-11-09 10:51:50 2460988.952662 - 2460988.952662 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537613 2025-11-09 10:51:50 2460988.952662 19.3253 ABMag g-ZTF P48_ZTF-Cam [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
280051 2025-12-11 11:49:47 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 10:04:00.037 +74:46:08.68 2025-12-07 07:44:33.002 19.0887 r-ZTF PSN ZTF25acglaha ZTF N
279985 2025-12-11 08:47:57 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 10:04:00.046 +74:46:08.48 2025-12-09 01:12:29.376 19.08 L-GOTO Other GOTO25lmk GOTO 2025TNSTR4924....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
22563 2025-12-12 08:43:31 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.056 1 ZTF 2025TNSCR4944....1F
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
22564 2025-12-12 07:48:21 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aghx_2025-12-12_07-48-21.342226_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 280051 of Group ZTF
Previous RA, DEC: 10:04:00.046, +74:46:08.48 (151.000191, +74.769023)
Updated RA, DEC: 10:04:00.037, +74:46:08.68 (151.0001549, +74.7690766)