RA/DEC (2000)
16:24:24.246 +20:31:49.19
246.101026946 +20.5303318849
Type
SN Ia
Redshift
0.04
Discovery ReportClassification Report
Related AstroNotes: 2026-123
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2026-04-28 04:05:34.656
TNS AT
Y
Public
Y
Discovery Mag
19.59
Filter
L-GOTO
Reporter/s
M. Magee, 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, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026lav - 2026-05-05 05:52:19 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

 ▌WFST_WFST-WFC_g
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_r
   
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
23640 2026-05-05 05:52:19 ESO-NTT / EFOSC2-NTT 600 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen ePESSTO+ tns_2026lav_2026-05-05_05-52-19_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026lav_2026-05-05_05-52-19_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2026-04-20 19:32:10 - 2026-05-03 20:47:02 2461151.314 - 2461164.366 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585332 2026-05-03 20:47:02 2461164.366 17.7 0.01 ABMag g-WFST WFST_WFST-WFC 30
585331 2026-04-20 19:32:10 2461151.314 22.76 ABMag g-WFST WFST_WFST-WFC 30 [Last non detection]
Clear- LAST_LAST-Cam 2024-03-13 02:41:38 - 2026-05-06 21:46:21 2460382.61224 - 2461167.40719 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579907 2026-05-06 21:46:21 2461167.40719 17.72 ABMag Clear- LAST_LAST-Cam 380
579906 2024-03-13 02:41:38 2460382.61224 21.55 ABMag Clear- LAST_LAST-Cam 5260 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-04-25 02:20:43 - 2026-04-28 04:05:35 2461155.597723 - 2461158.670542 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578888 2026-04-28 04:05:35 2461158.670542 19.59 0.13 ABMag L-GOTO GOTO-N_GOTO-1 180
578887 2026-04-25 02:20:43 2461155.597723 20.2 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-28 09:22:40 - 2026-04-28 09:22:40 2461158.8907407 - 2461158.8907407 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579410 2026-04-28 09:22:40 2461158.8907407 19.4453 0.196136 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-04-20 10:38:37 - 2026-04-30 10:38:25 2461150.9434838 - 2461160.9433449 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579411 2026-04-30 10:38:25 2461160.9433449 18.5238 0.082772 ABMag g-ZTF P48_ZTF-Cam
579409 2026-04-20 10:38:37 2461150.9434838 21.2302 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-04-27 11:28:11 - 2026-04-29 11:03:03 2461157.97791 - 2461159.96045 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579005 2026-04-29 11:03:03 2461159.96045 18.911 0.191 18.88 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
579004 2026-04-27 11:28:11 2461157.97791 19.07 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
r-P1 PS1_GPC1 2026-05-26 08:31:54 - 2026-05-26 08:31:54 2461186.85549 - 2461186.85549 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585520 2026-05-26 08:31:54 2461186.85549 17.82 0.05 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
305322 2026-05-26 15:07:27 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 16:24:24.246 +20:31:49.19 2026-05-26 08:31:54.336 17.82 r-P1 PSN PS26bme Pan-STARRS N
305234 2026-05-25 13:48:28 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 16:24:24.240 +20:31:49.22 2026-05-03 20:47:02.400 17.7 g-WFST PSN WFST260503bhrdm WFST N
302502 2026-05-07 02:51:50 LAST_Bot1 E. A. Zimmerman (WIS), R. Konno (WIS), A. Horowicz (WIS) et al. LAST LAST 16:24:24.272 +20:31:48.96 2026-05-06 21:46:21.216 17.72 Clear- PSN LAST N
302232 2026-05-03 16:48:43 Fritz K-Ryan Hinds (Caltech), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:24:24.258 +20:31:49.17 2026-04-28 09:22:39.996 19.4453 r-ZTF PSN ZTF26aauiroa ZTF N
302017 2026-04-30 09:30:49 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:24:24.287 +20:31:49.26 2026-04-29 11:03:02.880 18.911 orange-ATLAS PSN ATLAS26eyt ATLAS N
301958 2026-04-29 12:59:36 GOTO_bot M. Magee, D. O'Neill, K. Ackley et al. GOTO GOTO 16:24:24.245 +20:31:49.49 2026-04-28 04:05:34.656 19.59 L-GOTO Other GOTO26eci GOTO 2026TNSTR1875....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23637 2026-05-05 16:40:50 ePESSTOplus_Bot1 Jasvinderjit Khaulsay, Camila Cárdenas, Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.04 1 ePESSTO+ 2026TNSCR1949....1K
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
23640 2026-05-05 05:52:19 ESO-NTT / EFOSC2-NTT 600 Jasvinderjit Khaulsay, Camila Cárdenas Aiswarya Sankar.K, Anirban Dutta, Yu-Hsing Lee, Amar Aryan, Yi-Zhi Hong, You-Hao Chen ePESSTO+ tns_2026lav_2026-05-05_05-52-19_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026lav_2026-05-05_05-52-19_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Tue, 05/26/2026 - 15:07

Object coordinates updated

Object coordinates updated according to AT-report 305322 of Group Pan-STARRS
Previous RA, DEC: 16:24:24.258, +20:31:49.17 (246.1010736, +20.5303251)
Updated RA, DEC: 16:24:24.246, +20:31:49.19 (246.101026946, +20.5303318849)

TNS
System

Sun, 05/03/2026 - 16:48

Object coordinates updated

Object coordinates updated according to AT-report 302232 of Group ZTF
Previous RA, DEC: 16:24:24.287, +20:31:49.26 (246.101195, +20.53035)
Updated RA, DEC: 16:24:24.258, +20:31:49.17 (246.1010736, +20.5303251)

TNS
System

Thu, 04/30/2026 - 09:30

Object coordinates updated

Object coordinates updated according to AT-report 302017 of Group ATLAS
Previous RA, DEC: 16:24:24.245, +20:31:49.49 (246.101019, +20.530415)
Updated RA, DEC: 16:24:24.287, +20:31:49.26 (246.101195, +20.53035)