RA/DEC (2000)
10:06:55.023 -01:13:49.01
151.729262117 -1.2302800713
Type
SN Ia
Redshift
0.033
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-04-15 22:11:38.400
TNS AT
Y
Public
Y
Discovery Mag
19.126
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)

Spectra

 SN_2026jsg - 2026-04-21 04:28:20 FLWO-1.5m / FAST (VHU-TDA)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
 PS2_GPC2_w
 P48_ZTF-Cam_i
 P48_ZTF-Cam_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
23530 2026-04-21 04:28:20 FLWO-1.5m / FAST Yize Dong (Harvard/CfA) Yize Dong (Harvard/CfA) VHU-TDA tns_2026jsg_2026-04-21_04-28-20.000_FLWO-1.5m_FAST_VHU-TDA.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-04-13 23:15:13 - 2026-04-15 22:11:38 2461144.4689 - 2461146.42475 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575644 2026-04-15 22:11:38 2461146.42475 19.126 0.199 20.25 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
575643 2026-04-13 23:15:13 2461144.4689 20.01 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-4 2026-04-22 10:00:21 - 2026-04-22 10:00:21 2461152.916912 - 2461152.916912 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576884 2026-04-22 10:00:21 2461152.916912 17.24 0.02 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2026-04-09 10:28:41 - 2026-04-09 10:28:41 2461139.93658 - 2461139.93658 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
576883 2026-04-09 10:28:41 2461139.93658 20.2 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2026-04-17 09:23:16 - 2026-04-17 09:23:16 2461147.89116 - 2461147.89116 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
577994 2026-04-17 09:23:16 2461147.89116 18.37 0.03 22 ABMag w-P1 PS2_GPC2 45 Robot
i-ZTF P48_ZTF-Cam 2026-04-10 04:57:22 - 2026-04-16 04:24:29 2461140.7065046 - 2461146.683669 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575719 2026-04-16 04:24:29 2461146.683669 19.2386 0.151099 ABMag i-ZTF P48_ZTF-Cam
579277 2026-04-16 04:24:29 2461146.683669 19.2386 0.151099 20.0129 ABMag i-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
579276 2026-04-10 04:57:22 2461140.7065046 19.9953 ABMag i-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2026-04-10 05:04:20 - 2026-04-16 06:45:25 2461140.7113426 - 2461146.7815394 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
575720 2026-04-16 06:45:25 2461146.7815394 19.0935 0.117294 ABMag g-ZTF P48_ZTF-Cam
575718 2026-04-10 05:04:20 2461140.7113426 21.0455 ABMag g-ZTF P48_ZTF-Cam [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
302158 2026-05-02 18:44:47 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 10:06:55.020 -01:13:49.03 2026-04-16 04:24:29.002 19.2386 i-ZTF PSN ZTF26aastceo ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aastceo N
301494 2026-04-25 19:20:50 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 10:06:55.023 -01:13:49.01 2026-04-17 09:23:16.224 18.37 w-P1 PSN PS26bdd Pan-STARRS N
300950 2026-04-22 14:26:18 GOTO_bot J. Lyman, K. Ackley, M. Dyer et al. GOTO GOTO 10:06:55.011 -01:13:49.15 2026-04-22 10:00:21.024 17.24 L-GOTO Other GOTO26dod GOTO N
300353 2026-04-16 07:47:46 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 10:06:55.021 -01:13:49.03 2026-04-16 04:24:29.001 19.2386 i-ZTF PSN ZTF26aastceo ZTF N
300316 2026-04-16 07:07:24 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 10:06:55.018 -01:13:49.03 2026-04-15 22:11:38.400 19.126 wide-ATLAS PSN ATLAS26ehr ATLAS 2026TNSTR1646....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
23527 2026-04-21 05:35:48 Yize Dong Yize Dong (Harvard/CfA), Anya Nugent (Harvard/CfA), S. Karthik Yadavalli (Harvard/CfA), V. Ashley Villar (Harvard/CfA), Kaylee de Soto (Harvard/CfA), Danielle Frostig(Harvard/CfA), Edo Berger (Harvard/CfA), Wasundara Athukoralalage (Harvard/CfA), Will Golay (Harvard/CfA), Daichi Hiramatsu (Harvard/CfA), Yuyang Chen (Harvard/CfA) VHU-TDA SN Ia 0.033 1 VHU-TDA Best match with Type Ia 2026TNSCR1760....1D
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
23530 2026-04-21 04:28:20 FLWO-1.5m / FAST Yize Dong (Harvard/CfA) Yize Dong (Harvard/CfA) VHU-TDA tns_2026jsg_2026-04-21_04-28-20.000_FLWO-1.5m_FAST_VHU-TDA.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 301494 of Group Pan-STARRS
Previous RA, DEC: 10:06:55.021, -01:13:49.03 (151.7292521, -1.2302849)
Updated RA, DEC: 10:06:55.023, -01:13:49.01 (151.729262117, -1.2302800713)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 300353 of Group ZTF
Previous RA, DEC: 10:06:55.018, -01:13:49.03 (151.729241111, -1.23028666667)
Updated RA, DEC: 10:06:55.021, -01:13:49.03 (151.7292521, -1.2302849)