RA/DEC (2000)
08:53:27.477 -09:16:58.41
133.3644884 -9.2828903
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Related AstroNotes: 2026-121
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-04-19 00:41:13.632
TNS AT
Y
Public
Y
Discovery Mag
19.172
Filter
orange-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_2026khv - 2026-05-04 01:55:15 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_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
23615 2026-05-04 01:55:15 ESO-NTT / EFOSC2-NTT 2700 Camila Cárdenas, Jasvinderjit Khaulsay Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho ePESSTO+ tns_2026khv_2026-05-04_01-55-15_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026khv_2026-05-04_01-55-15_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-15 21:57:00 - 2026-04-15 21:57:00 2461146.41458 - 2461146.41458 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576862 2026-04-15 21:57:00 2461146.41458 20.21 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-4 2026-04-22 09:25:00 - 2026-04-22 09:25:00 2461152.892356 - 2461152.892356 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578445 2026-04-22 09:25:00 2461152.892356 18.59 0.05 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2026-04-09 09:25:22 - 2026-04-09 09:25:22 2461139.892621 - 2461139.892621 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578444 2026-04-09 09:25:22 2461139.892621 20.1 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2026-04-19 00:41:14 - 2026-04-19 00:41:14 2461149.52863 - 2461149.52863 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576863 2026-04-19 00:41:14 2461149.52863 19.172 0.196 19.4 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
i-ZTF P48_ZTF-Cam 2026-04-07 03:48:57 - 2026-04-29 04:20:10 2461137.6589931 - 2461159.6806713 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578810 2026-04-29 04:20:10 2461159.6806713 18.7162 0.138707 ABMag i-ZTF P48_ZTF-Cam
578808 2026-04-07 03:48:57 2461137.6589931 19.7164 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2026-04-07 04:11:35 - 2026-04-07 04:11:35 2461137.6747106 - 2461137.6747106 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578809 2026-04-07 04:11:35 2461137.6747106 20.58 0.187646 ABMag r-ZTF P48_ZTF-Cam
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
301928 2026-04-29 06:31:56 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 08:53:27.477 -09:16:58.41 2026-04-07 04:11:34.995 20.58 r-ZTF PSN ZTF26aasqkkl ZTF N
301739 2026-04-27 22:38:34 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 08:53:27.477 -09:16:58.16 2026-04-22 09:24:59.904 18.59 L-GOTO Other GOTO26dum GOTO N
300938 2026-04-22 08:55:46 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 08:53:27.456 -09:16:58.49 2026-04-19 00:41:13.632 19.172 orange-ATLAS PSN ATLAS26epj ATLAS 2026TNSTR1763....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
23612 2026-05-04 17:05:01 ePESSTOplus_Bot1 Camila Cárdenas, Jasvinderjit Khaulsay, Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.08 1 ePESSTO+ 2026TNSCR1935....1C
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
23615 2026-05-04 01:55:15 ESO-NTT / EFOSC2-NTT 2700 Camila Cárdenas, Jasvinderjit Khaulsay Aiswarya Sankar.K, Anirban Dutta, Amar Aryan, Ting-Wan Chen, Chen-Yen Hsu, Khoa Ngo, Thanh Ho ePESSTO+ tns_2026khv_2026-05-04_01-55-15_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026khv_2026-05-04_01-55-15_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Wed, 04/29/2026 - 06:31

Object coordinates updated

Object coordinates updated according to AT-report 301928 of Group ZTF
Previous RA, DEC: 08:53:27.456, -09:16:58.49 (133.3644, -9.28291444444)
Updated RA, DEC: 08:53:27.477, -09:16:58.41 (133.3644884, -9.2828903)