RA/DEC (2000)
07:16:34.500 +38:21:08.11
109.143748471 +38.3522534465
Type
SLSN-I
Redshift
2.011
Discovery ReportClassification Report
Related AstroNotes: 2025-296, 2025-306, 2025-330
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-09-01 05:43:04.800
TNS AT
Y
Public
Y
Discovery Mag
20
Filter
L-GOTO
Reporter/s
D. O'Neill, G. Ramsay, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, 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

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌PS1_GPC1_r
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-04 04:42:21 - 2025-09-04 04:42:21 2460922.69608 - 2460922.69608 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515652 2025-09-04 04:42:21 2460922.69608 18.254 0.12 19.48 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2025-09-01 05:43:05 - 2025-09-01 05:43:05 2460919.738246 - 2460919.738246 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514724 2025-09-01 05:43:05 2460919.738246 20 0.21 ABMag L-GOTO GOTO-N_GOTO-2 180
L-GOTO GOTO-N_GOTO-1 2025-02-25 21:20:51 - 2025-02-25 21:20:51 2460732.389479 - 2460732.389479 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514723 2025-02-25 21:20:51 2460732.389479 19.8 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-27 12:05:02 - 2025-09-04 12:16:34 2460915.0034954 - 2460923.0115046 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515582 2025-09-04 12:16:34 2460923.0115046 19.6411 0.16389 ABMag r-ZTF P48_ZTF-Cam
515581 2025-08-27 12:11:41 2460915.0081134 20.3113 0.190951 ABMag r-ZTF P48_ZTF-Cam
515580 2025-08-27 12:05:02 2460915.0034954 19.9819 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-08-31 15:21:39 - 2025-08-31 15:21:39 2460919.14003 - 2460919.14003 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515651 2025-08-31 15:21:39 2460919.14003 16.89 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
r-P1 PS1_GPC1 2025-10-03 14:56:04 - 2025-10-03 14:56:04 2460952.12227 - 2460952.12227 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522158 2025-10-03 14:56:04 2460952.12227 19.54 0.1 20.6 ABMag r-P1 PS1_GPC1 27 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
272444 2025-10-03 19:13:52 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 07:16:34.500 +38:21:08.11 2025-10-03 14:56:04.128 19.54 r-P1 PSN PS25hsn Pan-STARRS N
269326 2025-09-04 20:26:17 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 07:16:34.487 +38:21:07.40 2025-09-04 04:42:21.312 18.254 wide-ATLAS PSN ATLAS25lba ATLAS N
269296 2025-09-04 13:21:18 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 07:16:34.506 +38:21:07.55 2025-08-27 12:11:40.997 20.3113 r-ZTF PSN ZTF25abnjznp ZTF N
268847 2025-09-01 08:48:02 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 07:16:34.499 +38:21:07.44 2025-09-01 05:43:04.800 20 L-GOTO Other GOTO25gqt GOTO 2025TNSTR3492....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
22279 2025-10-23 15:20:55 Daniel Perley Daniel Perley (LJMU), Joel Johansson (OKC), Ariel Goobar (OKC), Yu-Jing Qin (Caltech), Jacob Wise (LJMU) ZTF SLSN-I 2.011 ZTF 2025TNSCR4265....1P

Comments

TNS
System

Fri, 10/03/2025 - 19:13

Object coordinates updated

Object coordinates updated according to AT-report 272444 of Group Pan-STARRS
Previous RA, DEC: 07:16:34.506, +38:21:07.55 (109.1437757, +38.3520968)
Updated RA, DEC: 07:16:34.500, +38:21:08.11 (109.143748471, +38.3522534465)

John
Della Costa

Thu, 09/04/2025 - 14:13

Possible Lensed SN

Possible lensed SN, spectroscopic followup recommended 

TNS
System

Thu, 09/04/2025 - 13:21

Object coordinates updated

Object coordinates updated according to AT-report 269296 of Group ZTF
Previous RA, DEC: 07:16:34.499, +38:21:07.44 (109.143746, +38.352067)
Updated RA, DEC: 07:16:34.506, +38:21:07.55 (109.1437757, +38.3520968)