RA/DEC (2000)
23:10:32.852 -18:46:01.10
347.636885214 -18.7669728674
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-24 15:09:06.912
TNS AT
Y
Public
Y
Discovery Mag
19.36
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_2025sag - 2025-08-03 10:25:53 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-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
21694 2025-08-03 10:25:53 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025sag_2025-08-03_10-25-52.742277_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-07-18 15:24:12 - 2025-07-24 15:09:07 2460875.141804 - 2460881.13133 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504623 2025-07-24 15:09:07 2460881.13133 19.36 0.13 ABMag L-GOTO GOTO-S_GOTO-3 180
504622 2025-07-18 15:24:12 2460875.141804 20 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-07-26 07:22:35 - 2025-07-26 07:22:35 2460882.80735 - 2460882.80735 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505695 2025-07-26 07:22:35 2460882.80735 17.07 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-27 04:05:43 - 2025-07-27 04:05:43 2460883.67064 - 2460883.67064 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505696 2025-07-27 04:05:43 2460883.67064 19.033 0.149 19.4 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2025-07-28 09:06:44 - 2025-07-31 08:31:34 2460884.8796759 - 2460887.8552546 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506383 2025-07-31 08:31:34 2460887.8552546 19.0218 0.0806651 ABMag r-ZTF P48_ZTF-Cam
506382 2025-07-28 09:06:44 2460884.8796759 19.092 0.089853 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-07-03 09:03:37 - 2025-07-03 09:03:37 2460859.8775116 - 2460859.8775116 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506381 2025-07-03 09:03:37 2460859.8775116 20.4246 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
w-P1 PS1_GPC1 2025-07-24 13:03:12 - 2025-07-24 13:03:12 2460881.04389 - 2460881.04389 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506959 2025-07-24 13:03:12 2460881.04389 19.59 0.07 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
264739 2025-08-02 15:02:47 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 23:10:32.852 -18:46:01.10 2025-07-24 13:03:12.096 19.59 w-P1 PSN PS25frz Pan-STARRS N
264433 2025-07-31 11:12:50 Fritz Jacob Wise (LJMU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 23:10:32.860 -18:46:00.94 2025-07-28 09:06:43.997 19.092 r-ZTF PSN ZTF25abevfgb ZTF N
264133 2025-07-28 09:30:25 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:10:32.844 -18:46:00.80 2025-07-27 04:05:43.296 19.033 orange-ATLAS PSN ATLAS25iiv ATLAS N
263598 2025-07-24 16:48:39 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 23:10:32.811 -18:46:01.10 2025-07-24 15:09:06.912 19.36 L-GOTO Other GOTO25fik GOTO 2025TNSTR2869....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
21694 2025-08-03 11:25:56 ZTF_Bot1 J. Wise, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.08 1 ZTF 2025TNSCR3059....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
21694 2025-08-03 10:25:53 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025sag_2025-08-03_10-25-52.742277_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 08/02/2025 - 15:02

Object coordinates updated

Object coordinates updated according to AT-report 264739 of Group Pan-STARRS
Previous RA, DEC: 23:10:32.860, -18:46:00.94 (347.6369172, -18.7669282)
Updated RA, DEC: 23:10:32.852, -18:46:01.10 (347.636885214, -18.7669728674)

TNS
System

Thu, 07/31/2025 - 11:12

Object coordinates updated

Object coordinates updated according to AT-report 264433 of Group ZTF
Previous RA, DEC: 23:10:32.844, -18:46:00.80 (347.636851875, -18.76688875)
Updated RA, DEC: 23:10:32.860, -18:46:00.94 (347.6369172, -18.7669282)

TNS
System

Mon, 07/28/2025 - 09:30

Object coordinates updated

Object coordinates updated according to AT-report 264133 of Group ATLAS
Previous RA, DEC: 23:10:32.811, -18:46:01.10 (347.636711, -18.766973)
Updated RA, DEC: 23:10:32.844, -18:46:00.80 (347.636851875, -18.76688875)