RA/DEC (2000)
13:19:00.774 +56:07:22.74
199.7532239 +56.1229834
Type
SN Ia-91T-like
Redshift
0.0865
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-05 07:58:29.856
TNS AT
Y
Public
Y
Discovery Mag
18.587
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), 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 (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (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_2025mym - 2025-06-07 08:08:00 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
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Show N II at z=vexp= km/s
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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

 GOTO-N_GOTO-2_L
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 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
21250 2025-06-07 08:08:00 UH88 / SNIFS 1800 Hinkle SCAT tns_2025mym_2025-06-07_08-08-00_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-05-25 23:11:46 - 2025-06-04 22:24:17 2460821.466502 - 2460831.43353 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494857 2025-06-04 22:24:17 2460831.43353 18.7 0.14 ABMag L-GOTO GOTO-N_GOTO-2 180
494856 2025-05-25 23:11:46 2460821.466502 19.1 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-30 05:46:30 - 2025-06-09 09:42:29 2460825.740625 - 2460835.9045023 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494301 2025-06-09 09:42:29 2460835.9045023 18.5355 0.153674 ABMag g-ZTF P48_ZTF-Cam
494300 2025-06-02 07:38:27 2460828.8183681 19.0595 0.114989 ABMag g-ZTF P48_ZTF-Cam
494299 2025-05-30 05:46:30 2460825.740625 18.4664 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-03 08:33:16 - 2025-06-03 08:33:16 2460829.85644 - 2460829.85644 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493810 2025-06-03 08:33:16 2460829.85644 19.21 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-05 07:58:30 - 2025-06-05 07:58:30 2460831.83229 - 2460831.83229 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493811 2025-06-05 07:58:30 2460831.83229 18.587 0.144 19.19 ABMag orange-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
258389 2025-06-13 16:25:24 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 13:19:00.728 +56:07:23.02 2025-06-04 22:24:16.992 18.7 L-GOTO Other GOTO25djm GOTO N
258067 2025-06-09 10:49:00 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 13:19:00.774 +56:07:22.74 2025-06-02 07:38:27.003 19.0595 g-ZTF PSN ZTF25aatkuvd ZTF N
257848 2025-06-05 18:23:26 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 13:19:00.865 +56:07:22.88 2025-06-05 07:58:29.856 18.587 orange-ATLAS PSN ATLAS25fxv ATLAS 2025TNSTR2102....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
21250 2025-06-07 09:28:30 Jason Hinkle Jason Hinkle (UH/IfA) on behalf of SCAT SCAT SN Ia-91T-like 0.0865 1 SCAT The redshift from the archival SDSS host spectrum is confirmed with host absorption lines. Cross-correlation with SNID (Blondin & Tonry 2007) gives matches to SNe Ia-91T at this redshift. 2025TNSCR2137....1H
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
21250 2025-06-07 08:08:00 UH88 / SNIFS 1800 Hinkle SCAT tns_2025mym_2025-06-07_08-08-00_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 258067 of Group ZTF
Previous RA, DEC: 13:19:00.865, +56:07:22.88 (199.753603333, +56.1230216667)
Updated RA, DEC: 13:19:00.774, +56:07:22.74 (199.7532239, +56.1229834)