RA/DEC (2000)
18:49:36.242 +45:12:25.40
282.401009 +45.207055644444
Type
SN Ia
Redshift
0.0505
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-06-21 23:52:47.136
TNS AT
Y
Public
Y
Discovery Mag
19.47
Filter
L-GOTO
Reporter/s
A. Kumar, 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, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ost - 2025-06-24 11:48:48 UH88 / SNIFS (SCAT)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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
21408 2025-06-24 11:48:48 UH88 / SNIFS 1800 Jennifer Shi SCAT tns_2025ost_2025-06-24_11-48-48_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-07-02 19:32:05 - 2025-07-21 21:05:52 2460494.31395 - 2460878.37907 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504084 2025-07-21 21:05:52 2460878.37907 19.44 ABMag Clear- LAST_LAST-Cam 400
504083 2024-07-02 19:32:05 2460494.31395 21.41 ABMag Clear- LAST_LAST-Cam 7440 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-06-19 00:01:48 - 2025-06-19 00:01:48 2460845.501246 - 2460845.501246 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497688 2025-06-19 00:01:48 2460845.501246 19.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-06-21 23:52:47 - 2025-06-21 23:52:47 2460848.494992 - 2460848.494992 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497689 2025-06-21 23:52:47 2460848.494992 19.47 0.19 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-06-19 07:13:29 - 2025-06-24 09:33:42 2460845.8010301 - 2460850.8984028 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497880 2025-06-24 09:33:42 2460850.8984028 18.8154 0.0805907 ABMag r-ZTF P48_ZTF-Cam
497879 2025-06-19 07:13:29 2460845.8010301 20.321 0.0974486 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-06-17 07:19:13 - 2025-06-21 05:43:22 2460843.8050116 - 2460847.7384491 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500375 2025-06-21 05:43:22 2460847.7384491 19.862 0.170468 20.3359 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
500374 2025-06-19 08:12:45 2460845.8421875 20.7451 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
497878 2025-06-17 07:19:13 2460843.8050116 20.9786 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-21 12:18:49 - 2025-06-23 11:36:21 2460848.01307 - 2460849.98358 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498275 2025-06-23 11:36:21 2460849.98358 19.046 0.158 19.59 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
498274 2025-06-21 12:18:49 2460848.01307 19.43 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [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
263326 2025-07-22 05:05:35 LAST_Bot1 E. A. Zimmerman (WIS),R. Konno (WIS),A. Horowicz (WIS) et al. LAST LAST 18:49:36.202 +45:12:25.33 2025-07-21 21:05:51.648 19.44 Clear- PSN LAST N
261274 2025-07-02 18:16:21 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 18:49:36.242 +45:12:25.40 2025-06-21 05:43:22.002 19.862 g-ZTF PSN ZTF25aawjnuz ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aawjnuz N
260064 2025-06-25 20:48:45 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 18:49:36.296 +45:12:25.21 2025-06-23 11:36:21.312 19.046 orange-ATLAS PSN ATLAS25glx ATLAS N
259902 2025-06-24 14:43:15 Fritz Eli Gendreau-Distler (UC Berkeley),Jesper Sollerman (SU),Christoffer Fremling (Caltech) et al. ZTF ZTF 18:49:36.247 +45:12:25.30 2025-06-19 07:13:29.000 20.321 r-ZTF PSN ZTF25aawjnuz ZTF N
259823 2025-06-23 16:07:46 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 18:49:36.282 +45:12:25.66 2025-06-21 23:52:47.136 19.47 L-GOTO Other GOTO25ebh GOTO 2025TNSTR2358....1K N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21408 2025-06-27 04:31:25 Jennifer Shi Jennifer Shi (UoM) on behalf of the SCAT team. SCAT SN Ia 0.0505 1 SCAT z ~ 0.0505 from template cross-correlation with SNID. 2025TNSCR2441....1S
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
21408 2025-06-24 11:48:48 UH88 / SNIFS 1800 Jennifer Shi SCAT tns_2025ost_2025-06-24_11-48-48_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Wed, 07/02/2025 - 18:16

Object coordinates updated

Object coordinates updated according to AT-report 261274 of Group ZTF
Previous RA, DEC: 18:49:36.247, +45:12:25.30 (282.4010305, +45.2070274)
Updated RA, DEC: 18:49:36.242, +45:12:25.40 (282.401009, +45.207055644444)

TNS
System

Tue, 06/24/2025 - 14:43

Object coordinates updated

Object coordinates updated according to AT-report 259902 of Group ZTF
Previous RA, DEC: 18:49:36.282, +45:12:25.66 (282.401177, +45.207129)
Updated RA, DEC: 18:49:36.247, +45:12:25.30 (282.4010305, +45.2070274)