RA/DEC (2000)
22:15:03.694 +37:18:03.97
333.7653911 +37.3011018
Type
SN Ia
Redshift
0.022
Discovery ReportClassification Report
Related AstroNotes: 2026-143
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-17 13:48:26.784
TNS AT
Y
Public
Y
Discovery Mag
17.878
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (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, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (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_2026myp - 2026-05-19 12:56:39 UH88 / SNIFS (SCAT)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
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
23779 2026-05-19 12:56:39 UH88 / SNIFS 1500 Tucker SCAT tns_2026myp_2026-05-19_12-56-39_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-07-05 22:58:19 - 2026-05-21 00:48:58 2460497.45717 - 2461181.534 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584443 2026-05-21 00:48:58 2461181.534 17.12 ABMag Clear- LAST_LAST-Cam 360
584442 2024-07-05 22:58:19 2460497.45717 21.69 ABMag Clear- LAST_LAST-Cam 5480 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-12-18 19:26:23 - 2026-05-25 05:03:01 2461028.309985 - 2461185.710434 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585281 2026-05-25 05:03:01 2461185.710434 16.5 0.01 ABMag L-GOTO GOTO-N_GOTO-2 180
585280 2025-12-18 19:26:23 2461028.309985 20 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-14 11:00:31 - 2026-05-14 11:00:31 2461174.9586921 - 2461174.9586921 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583625 2026-05-14 11:00:31 2461174.9586921 19.5147 0.137213 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-05-10 11:20:40 - 2026-05-14 11:20:26 2461170.9726852 - 2461174.9725231 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583626 2026-05-14 11:20:26 2461174.9725231 19.4622 0.137386 ABMag g-ZTF P48_ZTF-Cam
583624 2026-05-10 11:20:40 2461170.9726852 20.4334 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-15 13:48:26 - 2026-05-15 13:48:26 2461176.0753 - 2461176.0753 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583550 2026-05-15 13:48:26 2461176.0753 16.46 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2026-05-17 13:48:27 - 2026-05-17 13:48:27 2461178.07531 - 2461178.07531 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
583551 2026-05-17 13:48:27 2461178.07531 17.878 0.051 19.42 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 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
305207 2026-05-25 09:28:00 GOTO_bot G. Ramsay, M. Pursiainen, K. Ackley et al. GOTO GOTO 22:15:03.703 +37:18:04.08 2026-05-25 05:03:01.152 16.5 L-GOTO PSN GOTO26fdx GOTO N
304818 2026-05-21 19:00:23 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 22:15:03.735 +37:18:04.42 2026-05-21 00:48:57.600 17.12 Clear- PSN LAST N
304325 2026-05-18 16:43:20 Fritz Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 22:15:03.694 +37:18:03.97 2026-05-14 11:00:30.997 19.5147 r-ZTF PSN ZTF26aawrmyb ZTF N
304285 2026-05-18 05:44:05 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 22:15:03.694 +37:18:03.82 2026-05-17 13:48:26.784 17.878 cyan-ATLAS PSN ATLAS26fxq ATLAS 2026TNSTR2155....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
23775 2026-05-19 19:16:17 Michael Tucker M. A. Tucker (CCAPP/OSU) on behalf of SCAT SCAT SN Ia 0.022 1 SCAT Redshift from NED 2026TNSCR2183....1T
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
23779 2026-05-19 12:56:39 UH88 / SNIFS 1500 Tucker SCAT tns_2026myp_2026-05-19_12-56-39_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Mon, 05/18/2026 - 16:43

Object coordinates updated

Object coordinates updated according to AT-report 304325 of Group ZTF
Previous RA, DEC: 22:15:03.694, +37:18:03.82 (333.765393333, +37.30106)
Updated RA, DEC: 22:15:03.694, +37:18:03.97 (333.7653911, +37.3011018)