RA/DEC (2000)
03:02:17.432 -02:29:52.02
45.5726353321 -2.49778271468
Type
SN Ia
Redshift
0.068
Discovery ReportClassification Report
Related AstroNotes: 2025-252
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-01 13:59:27.744
TNS AT
Y
Public
Y
Discovery Mag
19.267
Filter
cyan-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), M. R. Alarcón, J. Licandro, P. Nichita (IAC), 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_2025sxe - 2025-08-11 08:46:54 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-N_GOTO-2_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌PS1_GPC1_g
   
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
21752 2025-08-11 08:46:54 ESO-NTT / EFOSC2-NTT 900 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter ePESSTO+ tns_2025sxe_2025-08-11_08-46-54_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025sxe_2025-08-11_08-46-54_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-08-05 05:23:08 - 2025-08-05 05:23:08 2460892.724403 - 2460892.724403 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507466 2025-08-05 05:23:08 2460892.724403 18.78 0.15 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-29 04:27:47 - 2025-07-29 04:27:47 2460885.68596 - 2460885.68596 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506721 2025-07-29 04:27:47 2460885.68596 18.67 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-07-26 04:30:16 - 2025-07-26 04:30:16 2460882.687687 - 2460882.687687 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507465 2025-07-26 04:30:16 2460882.687687 19.7 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-02 10:47:00 - 2025-08-17 09:41:08 2460889.9493056 - 2460904.9035648 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509514 2025-08-17 09:41:08 2460904.9035648 18.5284 0.0349318 ABMag r-ZTF P48_ZTF-Cam
509513 2025-08-02 10:47:00 2460889.9493056 18.9944 0.114243 ABMag r-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-08-01 13:59:28 - 2025-08-01 13:59:28 2460889.08296 - 2460889.08296 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506722 2025-08-01 13:59:28 2460889.08296 19.267 0.167 19.46 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
g-P1 PS1_GPC1 2025-09-01 14:51:22 - 2025-09-01 14:51:22 2460920.119 - 2460920.119 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515207 2025-09-01 14:51:22 2460920.119 20.03 0.12 21 ABMag g-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
269120 2025-09-02 17:00:35 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 03:02:17.432 -02:29:52.02 2025-09-01 14:51:21.600 20.03 g-P1 PSN PS25hhn Pan-STARRS N
266172 2025-08-17 10:54:03 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 03:02:17.433 -02:29:52.04 2025-08-02 10:47:00.003 18.9944 r-ZTF PSN ZTF25abgvgwa ZTF N
265054 2025-08-05 06:51:24 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 03:02:17.421 -02:29:51.69 2025-08-05 05:23:08.160 18.78 L-GOTO Other GOTO25fqk GOTO N
264619 2025-08-01 18:12:23 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 03:02:17.405 -02:29:52.18 2025-08-01 13:59:27.744 19.267 cyan-ATLAS PSN ATLAS25itb ATLAS 2025TNSTR3022....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
21752 2025-08-11 16:13:54 ePESSTOplus_Bot1 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani, Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.068 1 ePESSTO+ 2025TNSCR3147....1v
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
21752 2025-08-11 08:46:54 ESO-NTT / EFOSC2-NTT 900 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter ePESSTO+ tns_2025sxe_2025-08-11_08-46-54_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025sxe_2025-08-11_08-46-54_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Tue, 09/02/2025 - 17:00

Object coordinates updated

Object coordinates updated according to AT-report 269120 of Group Pan-STARRS
Previous RA, DEC: 03:02:17.433, -02:29:52.04 (45.572639, -2.49779)
Updated RA, DEC: 03:02:17.432, -02:29:52.02 (45.5726353321, -2.49778271468)

TNS
System

Sun, 08/17/2025 - 10:54

Object coordinates updated

Object coordinates updated according to AT-report 266172 of Group ZTF
Previous RA, DEC: 03:02:17.405, -02:29:52.18 (45.57252, -2.497828)
Updated RA, DEC: 03:02:17.433, -02:29:52.04 (45.572639, -2.49779)