RA/DEC (2000)
07:53:58.354 +28:02:54.36
118.4931436 +28.048432
Type
SN Ia
Redshift
0.060394
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-03-30 21:59:55.104
TNS AT
Y
Public
Y
Discovery Mag
17.865
Filter
wide-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_2026hwd - 2026-04-06 20:27:00 BL41 / FOSC-E5535 (None)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-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
23433 2026-04-06 20:27:00 BL41 / FOSC-E5535 7200 Claudio Balcon Claudio Balcon None tns_2026hwd_2026-04-06_20-27-00_BL41_FOSC-E5535_None.dat tns_2026hwd_2026-04-06_20-27-00_BL41_FOSC-E5535_None.fit Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-03-30 21:59:55 - 2026-03-30 21:59:55 2461130.41661 - 2461130.41661 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571339 2026-03-30 21:59:55 2461130.41661 17.865 0.096 18.95 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2026-03-02 01:15:22 - 2026-03-30 20:22:21 2461101.55234 - 2461130.348853 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578061 2026-03-30 20:22:21 2461130.348853 17.76 0.07 ABMag L-GOTO GOTO-N_GOTO-2 180
578060 2026-03-02 01:15:22 2461101.55234 18.7 ABMag L-GOTO GOTO-N_GOTO-2 135 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-05-08 03:52:12 - 2026-05-14 03:52:22 2461168.66125 - 2461174.6613657 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
582277 2026-05-14 03:52:22 2461174.6613657 19.1911 0.187024 ABMag r-ZTF P48_ZTF-Cam
582276 2026-05-08 03:52:12 2461168.66125 19.9123 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-03-29 07:43:25 - 2026-03-29 07:43:25 2461128.82182 - 2461128.82182 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
571338 2026-03-29 07:43:25 2461128.82182 14.63 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
303601 2026-05-14 04:33:19 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 07:53:58.354 +28:02:54.36 2026-05-14 03:52:21.996 19.1911 r-ZTF PSN ZTF26aawmxov ZTF N
301528 2026-04-25 21:50:51 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 07:53:58.390 +28:02:54.41 2026-03-30 20:22:20.640 17.76 L-GOTO Other GOTO26crk GOTO N
297980 2026-03-31 10:11:56 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 07:53:58.366 +28:02:53.99 2026-03-30 21:59:55.104 17.865 wide-ATLAS PSN ATLAS26dqh ATLAS 2026TNSTR1366....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
23431 2026-04-06 22:24:43 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None SN Ia 0.060394 1 GELATO Harutyunyan et al., 2008, A&A, 488, 383 (gelato@tng.iac.es) suggests that this spectrum resembles that of a type Ia supernova at the redshift of the host galaxy, the value from NED. 2026TNSCR1459....1B
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
23433 2026-04-06 20:27:00 BL41 / FOSC-E5535 7200 Claudio Balcon Claudio Balcon None tns_2026hwd_2026-04-06_20-27-00_BL41_FOSC-E5535_None.dat tns_2026hwd_2026-04-06_20-27-00_BL41_FOSC-E5535_None.fit Object

Comments

TNS
System

Thu, 05/14/2026 - 04:33

Object coordinates updated

Object coordinates updated according to AT-report 303601 of Group ZTF
Previous RA, DEC: 07:53:58.366, +28:02:53.99 (118.49319, +28.0483316667)
Updated RA, DEC: 07:53:58.354, +28:02:54.36 (118.4931436, +28.048432)