RA/DEC (2000)
21:28:22.795 -23:53:58.89
322.094977749 -23.8996926817
Type
SN II
Redshift
0.06
Discovery ReportClassification Report
Related AstroNotes: 2025-157, 2025-215
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-24 01:35:54.240
TNS AT
Y
Public
Y
Discovery Mag
19.327
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025lwx - 2025-07-16 04:43:06 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
 ▌SN_2025lwx - 2025-07-16 03:52:29 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
 ▌SN_2025lwx - 2025-05-26 07:37:49 ESO-NTT / EFOSC2-NTT (ePESSTO+)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-4_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌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
21538 2025-07-16 04:43:06 ESO-NTT / EFOSC2-NTT 2700 J. Quirola-Vasquez, J. Sanchez-Sierras U. Burgaz, J.H. Terwel ePESSTO+ tns_2025lwx_2025-07-16_04-43-06_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025lwx_2025-07-16_04-43-06_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
21537 2025-07-16 03:52:29 ESO-NTT / EFOSC2-NTT 2700 J. Quirola-Vasquez, J. Sanchez-Sierras U. Burgaz, J.H. Terwel ePESSTO+ tns_2025lwx_2025-07-16_03-52-29_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025lwx_2025-07-16_03-52-29_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
21148 2025-05-26 07:37:49 ESO-NTT / EFOSC2-NTT 900 Callum Francis Aster, Stefano Pio Cosentino Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai ePESSTO+ tns_2025lwx_2025-05-26_07-37-49_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025lwx_2025-05-26_07-37-49_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-05-24 15:28:07 - 2025-05-24 15:28:07 2460820.14453 - 2460820.14453 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491262 2025-05-24 15:28:07 2460820.14453 18.8 0.1 ABMag L-GOTO GOTO-S_GOTO-4 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-05-23 08:08:26 - 2025-05-23 08:08:26 2460818.83919 - 2460818.83919 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491167 2025-05-23 08:08:26 2460818.83919 19.08 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-05-24 01:35:54 - 2025-05-24 01:35:54 2460819.5666 - 2460819.5666 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491168 2025-05-24 01:35:54 2460819.5666 19.327 0.205 19.29 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-05-15 04:56:01 - 2025-05-15 04:56:01 2460810.705574 - 2460810.705574 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491261 2025-05-15 04:56:01 2460810.705574 18.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-05-20 09:36:55 - 2025-05-20 09:36:55 2460815.9006366 - 2460815.9006366 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494437 2025-05-20 09:36:55 2460815.9006366 19.72 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-06-10 06:52:03 - 2025-06-10 06:52:03 2460836.7861458 - 2460836.7861458 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494438 2025-06-10 06:52:03 2460836.7861458 18.57 0.08 19.9 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2025-06-20 09:37:50 - 2025-06-21 10:14:49 2460846.9012731 - 2460847.926956 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
497276 2025-06-21 10:14:49 2460847.926956 18.8576 0.0970941 ABMag r-ZTF P48_ZTF-Cam
497275 2025-06-20 09:37:50 2460846.9012731 18.8406 0.090684 ABMag r-ZTF P48_ZTF-Cam
w-P1 PS1_GPC1 2025-06-24 13:25:15 - 2025-06-24 13:25:15 2460851.0592 - 2460851.0592 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502167 2025-06-24 13:25:15 2460851.0592 19.15 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
262299 2025-07-12 15:43:49 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 21:28:22.795 -23:53:58.89 2025-06-24 13:25:14.880 19.15 w-P1 PSN PS25fad Pan-STARRS N
259584 2025-06-21 13:46:08 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 21:28:22.790 -23:53:58.81 2025-06-20 09:37:49.995 18.8406 r-ZTF PSN ZTF25aawdciv ZTF N
258130 2025-06-10 12:03:02 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 21:28:22.782 -23:53:59.00 2025-06-10 06:52:03.000 18.57 BG-q-BlackGem PSN BGEM J212822.78-235358.9 BlackGEM N
256607 2025-05-25 07:38:33 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 21:28:22.794 -23:53:59.29 2025-05-24 15:28:07.392 18.8 L-GOTO Other GOTO25day GOTO N
256560 2025-05-25 05:41:57 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:28:22.792 -23:53:59.28 2025-05-24 01:35:54.240 19.327 orange-ATLAS PSN ATLAS25fiy ATLAS 2025TNSTR1950....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21538 2025-07-17 07:33:51 ePESSTOplus_Bot1 J. Quirola-Vasquez, J. Sanchez-Sierras, U. Burgaz, J.H. Terwel, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN II 0.06 1 ePESSTO+ 2025TNSCR2747....1Q
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
21538 2025-07-16 04:43:06 ESO-NTT / EFOSC2-NTT 2700 J. Quirola-Vasquez, J. Sanchez-Sierras U. Burgaz, J.H. Terwel ePESSTO+ tns_2025lwx_2025-07-16_04-43-06_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025lwx_2025-07-16_04-43-06_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
21537 2025-07-17 07:33:51 ePESSTOplus_Bot1 J. Quirola-Vasquez, J. Sanchez-Sierras, U. Burgaz, J.H. Terwel, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN II 0.06 1 ePESSTO+ 2025TNSCR2747....1Q
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
21537 2025-07-16 03:52:29 ESO-NTT / EFOSC2-NTT 2700 J. Quirola-Vasquez, J. Sanchez-Sierras U. Burgaz, J.H. Terwel ePESSTO+ tns_2025lwx_2025-07-16_03-52-29_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025lwx_2025-07-16_03-52-29_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
21148 2025-05-26 16:54:26 ePESSTOplus_Bot1 Callum Francis Aster, Stefano Pio Cosentino, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, A. Horowicz on behalf of ePESSTO+ ePESSTO+ Other 0 1 ePESSTO+ 2025TNSCR1978....1A
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
21148 2025-05-26 07:37:49 ESO-NTT / EFOSC2-NTT 900 Callum Francis Aster, Stefano Pio Cosentino Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai ePESSTO+ tns_2025lwx_2025-05-26_07-37-49_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025lwx_2025-05-26_07-37-49_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Sat, 07/12/2025 - 15:43

Object coordinates updated

Object coordinates updated according to AT-report 262299 of Group Pan-STARRS
Previous RA, DEC: 21:28:22.782, -23:53:59.00 (322.094925, -23.899722)
Updated RA, DEC: 21:28:22.795, -23:53:58.89 (322.094977749, -23.8996926817)

TNS
System

Tue, 06/10/2025 - 12:03

Object coordinates updated

Object coordinates updated according to AT-report 258130 of Group BlackGEM
Previous RA, DEC: 21:28:22.792, -23:53:59.28 (322.094965, -23.8998)
Updated RA, DEC: 21:28:22.782, -23:53:59.00 (322.094925, -23.899722)