RA/DEC (2000)
14:32:22.280 +06:03:53.34
218.092831551 +6.06481703278
Type
SN Ia
Redshift
0.114
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-05-07 05:56:57.998
TNS AT
Y
Public
Y
Discovery Mag
20.4511
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026mby - 2026-05-20 08:55:08 P60 / SEDM (ZTF)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
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌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
23783 2026-05-20 08:55:08 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026mby_2026-05-20_08-55-08.215442_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2026-05-07 22:52:47 - 2026-05-17 21:25:12 2461168.45332 - 2461178.3925 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584437 2026-05-17 21:25:12 2461178.3925 19.21 ABMag Clear- LAST_LAST-Cam 400
584436 2026-05-07 22:52:47 2461168.45332 19.95 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-14 05:09:48 - 2026-05-14 05:09:48 2461174.71514 - 2461174.71514 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582765 2026-05-14 05:09:48 2461174.71514 19.136 0.116 19.71 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
L-GOTO GOTO-N_GOTO-1 2026-05-06 00:30:44 - 2026-05-07 23:11:59 2461166.521339 - 2461168.466648 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583863 2026-05-07 23:11:59 2461168.466648 20.4 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
583862 2026-05-06 00:30:44 2461166.521339 19.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-01 06:55:53 - 2026-05-07 05:56:58 2461161.7888079 - 2461167.7478935 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581314 2026-05-07 05:56:58 2461167.7478935 20.4511 0.152378 ABMag r-ZTF P48_ZTF-Cam
582701 2026-05-07 05:56:58 2461167.7478935 20.5031 0.273948 20.3572 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
581313 2026-05-01 06:55:53 2461161.7888079 19.2119 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
582700 2026-05-01 06:55:53 2461161.7888079 18.8317 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2026-05-11 08:05:43 - 2026-05-11 08:05:43 2461171.8373032 - 2461171.8373032 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
581315 2026-05-11 08:05:43 2461171.8373032 19.7114 0.155561 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-12 11:40:25 - 2026-05-12 11:40:25 2461172.9864 - 2461172.9864 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582764 2026-05-12 11:40:25 2461172.9864 19.51 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
g-P1 PS1_GPC1 2026-05-17 08:18:03 - 2026-05-17 08:18:03 2461177.84587 - 2461177.84587 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583513 2026-05-17 08:18:03 2461177.84587 19.12 0.09 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
304815 2026-05-21 18:58:28 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 14:32:22.251 +06:03:53.20 2026-05-17 21:25:12.000 19.21 Clear- PSN LAST N
304539 2026-05-19 12:06:27 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 14:32:22.281 +06:03:53.39 2026-05-07 23:11:58.560 20.4 L-GOTO Other GOTO26eyp GOTO N
304262 2026-05-17 19:09:48 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 14:32:22.280 +06:03:53.34 2026-05-17 08:18:03.168 19.12 g-P1 PSN PS26bkd Pan-STARRS N
303835 2026-05-15 08:56:56 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:32:22.290 +06:03:53.61 2026-05-14 05:09:48.096 19.136 cyan-ATLAS PSN ATLAS26fpx ATLAS N
303806 2026-05-14 18:46:24 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 14:32:22.297 +06:03:53.38 2026-05-07 05:56:57.998 20.5031 r-ZTF PSN ZTF26aavbyvd ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aavbyvd N
303143 2026-05-11 10:12:40 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 14:32:22.296 +06:03:53.46 2026-05-07 05:56:57.998 20.4511 r-ZTF PSN ZTF26aavbyvd ZTF 2026TNSTR2049....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23779 2026-05-20 09:51:31 ZTF_Bot1 C. Fremling and J. Purdum on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.114 1 ZTF 2026TNSCR2204....1F
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
23783 2026-05-20 08:55:08 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026mby_2026-05-20_08-55-08.215442_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sun, 05/17/2026 - 19:09

Object coordinates updated

Object coordinates updated according to AT-report 304262 of Group Pan-STARRS
Previous RA, DEC: 14:32:22.297, +06:03:53.38 (218.0929035, +6.0648284117647)
Updated RA, DEC: 14:32:22.280, +06:03:53.34 (218.092831551, +6.06481703278)

TNS
System

Thu, 05/14/2026 - 18:46

Object coordinates updated

Object coordinates updated according to AT-report 303806 of Group ZTF
Previous RA, DEC: 14:32:22.296, +06:03:53.46 (218.0928996, +6.064851)
Updated RA, DEC: 14:32:22.297, +06:03:53.38 (218.0929035, +6.0648284117647)