RA/DEC (2000)
00:26:19.188 +53:34:44.73
6.5799508 +53.5790923
Type
SN Ia
Redshift
0.05
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-11-25 08:03:27.936
TNS AT
Y
Public
Y
Discovery Mag
18.741
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)

Spectra

 SN_2025aeuj - 2025-12-14 04:13:48 P60 / SEDM (ZTF)z=
 SN_2025aeuj - 2025-11-27 19:02:40 Other / Other (None)z=
 SN_2025aeuj - 2025-11-27 19:02:40 Other / Other (None)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 C III at z=vexp= km/s
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Show N II at z=vexp= km/s
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Show N IV at z=vexp= km/s
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Show O at z=vexp= km/s
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Show O II at z=vexp= km/s
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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
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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_r
 P48_ZTF-Cam_g
 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
22586 2025-12-14 04:13:48 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aeuj_2025-12-14_04-13-47.522696_P60_SEDM_ZTF.ascii Object
22482 2025-11-27 19:02:40 Other / Other 5400 E Soubrouillard E soubrouillard None tns_2025aeuj_2025-11-27_19-02-40_Other_Other_None_0.dat tns_2025aeuj_2025-11-27_19-02-40_Other_Other_None_0.fits Object 2025-12-01 Spectrum taken with a 0.3m Newton reflector and R=130 slit spectrograph
22469 2025-11-27 19:02:40 Other / Other 5400 E Soubrouillard E soubrouillard None tns_2025aeuj_2025-11-27_19-02-40_Other_Other_None.dat tns_2025aeuj_2025-11-27_19-02-40_Other_Other_None.fits Object 2025-11-29 Spectrum taken with a 0.3m Newton reflector and R=130 slit spectrograph
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-10-24 22:57:35 - 2025-11-16 22:49:12 2460973.456665 - 2460996.45083 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534960 2025-11-16 22:49:12 2460996.45083 20.02 0.18 ABMag L-GOTO GOTO-N_GOTO-2 180
534959 2025-10-24 22:57:35 2460973.456665 20.3 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-27 05:41:05 - 2025-11-27 05:41:05 2461006.7368634 - 2461006.7368634 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534153 2025-11-27 05:41:05 2461006.7368634 18.482 0.0777342 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-11-11 07:00:11 - 2025-11-25 05:50:43 2460990.791794 - 2461004.7435532 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534152 2025-11-25 05:50:43 2461004.7435532 18.9478 0.08498 ABMag g-ZTF P48_ZTF-Cam
534151 2025-11-11 07:00:11 2460990.791794 20.825 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-11-19 11:28:33 - 2025-11-25 08:03:28 2460998.97816 - 2461004.83574 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533689 2025-11-25 08:03:28 2461004.83574 18.741 0.129 19.52 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
533688 2025-11-19 11:28:33 2460998.97816 19.11 ABMag cyan-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
278795 2025-11-29 21:50:22 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 00:26:19.138 +53:34:44.88 2025-11-16 22:49:11.712 20.02 L-GOTO Other GOTO25kum GOTO N
278414 2025-11-27 07:35:31 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 00:26:19.188 +53:34:44.73 2025-11-25 05:50:42.996 18.9478 g-ZTF PSN ZTF25aceneuf ZTF N
278215 2025-11-25 14:18:40 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 00:26:19.179 +53:34:44.66 2025-11-25 08:03:27.936 18.741 cyan-ATLAS PSN ATLAS25oum ATLAS 2025TNSTR4703....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
22585 2025-12-14 07:49:49 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.05 1 ZTF 2025TNSCR4983....1S
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
22586 2025-12-14 04:13:48 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aeuj_2025-12-14_04-13-47.522696_P60_SEDM_ZTF.ascii Object
22481 2025-12-01 15:03:13 EMMANUEL SOUBROUILLARD Emmanuel Soubrouillard None SN 0.072 1 2025-12-01 My last classification reconsidered as sn, unknown type because redshift not matching that of presume host galaxy 2025TNSCR4807....1S
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
22482 2025-11-27 19:02:40 Other / Other 5400 E Soubrouillard E soubrouillard None tns_2025aeuj_2025-11-27_19-02-40_Other_Other_None_0.dat tns_2025aeuj_2025-11-27_19-02-40_Other_Other_None_0.fits Object 2025-12-01 Spectrum taken with a 0.3m Newton reflector and R=130 slit spectrograph
22468 2025-11-29 14:59:43 EMMANUEL SOUBROUILLARD Emmanuel Soubrouillard None SN Ia 0.041 1 2025-11-29 SNID (Stéphane Blondin and John L. Tonry) suggests with good RLAP (8.8) a sn type Ia. The redshift is not in accordance with that of supposed host galaxy ( WISEA J002619.78+533442.5) z=0.072 from NED Other spectra are welcome 2025TNSCR4775....1S
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
22469 2025-11-27 19:02:40 Other / Other 5400 E Soubrouillard E soubrouillard None tns_2025aeuj_2025-11-27_19-02-40_Other_Other_None.dat tns_2025aeuj_2025-11-27_19-02-40_Other_Other_None.fits Object 2025-11-29 Spectrum taken with a 0.3m Newton reflector and R=130 slit spectrograph

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 278414 of Group ZTF
Previous RA, DEC: 00:26:19.179, +53:34:44.66 (6.57991142857, +53.5790728571)
Updated RA, DEC: 00:26:19.188, +53:34:44.73 (6.5799508, +53.5790923)