RA/DEC (2000)
23:17:04.648 +18:35:59.15
349.269364871 +18.5997639422
Type
SN Ia
Redshift
0.04
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-06-05 04:16:49.440
TNS AT
Y
Public
Y
Discovery Mag
18.43
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_2025mxn - 2025-06-06 00:00:00 Lick-3m / KAST (UCSC)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
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌PS1_GPC1_z
   
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
21242 2025-06-06 00:00:00 Lick-3m / KAST 1500 Kishore C. Patra Kishore C. Patra UCSC tns_2025mxn_2025-06-06_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-05-27 04:49:06 - 2025-06-05 04:16:49 2460822.700755 - 2460831.678348 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493645 2025-06-05 04:16:49 2460831.678348 18.43 0.12 ABMag L-GOTO GOTO-N_GOTO-2 180
493644 2025-05-27 04:49:06 2460822.700755 19.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-31 11:05:03 - 2025-06-12 09:57:46 2460826.9618403 - 2460838.9151157 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494574 2025-06-12 09:57:46 2460838.9151157 17.346 0.0558071 ABMag r-ZTF P48_ZTF-Cam
494572 2025-05-31 11:05:03 2460826.9618403 19.2842 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-06-05 09:12:05 - 2025-06-05 09:12:05 2460831.8833912 - 2460831.8833912 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494573 2025-06-05 09:12:05 2460831.8833912 18.2974 0.0840045 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-02 14:38:04 - 2025-06-02 14:38:04 2460829.10977 - 2460829.10977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493652 2025-06-02 14:38:04 2460829.10977 17.49 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-06-03 14:12:22 - 2025-06-03 14:12:22 2460830.09192 - 2460830.09192 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493653 2025-06-03 14:12:22 2460830.09192 18.973 0.136 19.35 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
z-P1 PS1_GPC1 2025-06-09 14:44:05 - 2025-06-09 14:44:05 2460836.11395 - 2460836.11395 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494567 2025-06-09 14:44:05 2460836.11395 18.02 0.04 20.4 ABMag z-P1 PS1_GPC1 120 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
258191 2025-06-12 10:48:36 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 23:17:04.638 +18:35:59.33 2025-06-05 09:12:04.999 18.2974 g-ZTF PSN ZTF25aatvtvy ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
258188 2025-06-12 10:02:36 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 23:17:04.648 +18:35:59.15 2025-06-09 14:44:05.280 18.02 z-P1 PSN PS25dga Pan-STARRS N
257779 2025-06-05 07:12:34 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:17:04.666 +18:35:59.28 2025-06-03 14:12:21.888 18.973 cyan-ATLAS PSN ATLAS25fxg ATLAS N
257775 2025-06-05 05:27:43 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 23:17:04.684 +18:35:59.34 2025-06-05 04:16:49.440 18.43 L-GOTO Other GOTO25dhn GOTO 2025TNSTR2104....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
21242 2025-06-06 22:13:34 Kishore C. Patra Kishore C. Patra, Ryan J. Foley (UCSC) UCSC SN Ia 0.04 1 Add UCSC We measure Si II 6355 and Ca II near-infrared triplet absorption velocities of -14,100  km/s and -18,600 km/s, respectively. 2025TNSCR2129....1P
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
21242 2025-06-06 00:00:00 Lick-3m / KAST 1500 Kishore C. Patra Kishore C. Patra UCSC tns_2025mxn_2025-06-06_Lick-3m_KAST_UCSC.flm Object

Comments

TNS
System

Thu, 06/12/2025 - 10:02

Object coordinates updated

Object coordinates updated according to AT-report 258188 of Group Pan-STARRS
Previous RA, DEC: 23:17:04.666, +18:35:59.28 (349.26944, +18.5998011111)
Updated RA, DEC: 23:17:04.648, +18:35:59.15 (349.269364871, +18.5997639422)

TNS
System

Thu, 06/05/2025 - 07:12

Object coordinates updated

Object coordinates updated according to AT-report 257779 of Group ATLAS
Previous RA, DEC: 23:17:04.684, +18:35:59.34 (349.269518, +18.599816)
Updated RA, DEC: 23:17:04.666, +18:35:59.28 (349.26944, +18.5998011111)