RA/DEC (2000)
19:43:54.775 +70:35:01.86
295.978230625 +70.583849775
Type
SN Ia
Redshift
0.05
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-10-12 21:07:10.272
TNS AT
Y
Public
Y
Discovery Mag
20.25
Filter
wide-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), 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 (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_2025aamx - 2025-10-21 03:43:28 P60 / SEDM (ZTF)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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Show N IV at z=vexp= km/s
Show N V at z=vexp= km/s
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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
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Show Tellurics 
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   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
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_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
22252 2025-10-21 03:43:28 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aamx_2025-10-21_03-43-27.895939_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-10-12 21:07:10 - 2025-10-12 21:07:10 2460961.37998 - 2460961.37998 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523913 2025-10-12 21:07:10 2460961.37998 20.25 0.178 20 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2025-09-29 21:31:33 - 2025-10-20 21:19:06 2460948.396907 - 2460969.388264 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526229 2025-10-20 21:19:06 2460969.388264 18.42 0.06 ABMag L-GOTO GOTO-N_GOTO-2 180
526228 2025-09-29 21:31:33 2460948.396907 19.6 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-12 03:57:34 - 2025-10-12 03:57:34 2460960.6649769 - 2460960.6649769 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524314 2025-10-12 03:57:34 2460960.6649769 20.3003 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-09 06:13:25 - 2025-10-17 05:17:04 2460957.7593171 - 2460965.7201852 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524315 2025-10-17 05:17:04 2460965.7201852 19.091 0.144834 ABMag g-ZTF P48_ZTF-Cam
526618 2025-10-12 05:53:04 2460960.7451852 20.2588 0.313692 19.9759 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
526617 2025-10-09 06:13:25 2460957.7593171 19.1771 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-10-12 07:44:20 - 2025-10-12 07:44:20 2460960.82245 - 2460960.82245 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523912 2025-10-12 07:44:20 2460960.82245 19.37 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 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
274692 2025-10-24 18:19:37 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 19:43:54.775 +70:35:01.86 2025-10-12 05:53:04.001 20.2588 g-ZTF PSN ZTF25abxgmpf ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abxgmpf N
274515 2025-10-23 15:08:36 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 19:43:54.708 +70:35:01.98 2025-10-20 21:19:05.664 18.42 L-GOTO Other GOTO25iwa GOTO N
273647 2025-10-17 06:46:04 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 19:43:54.788 +70:35:01.67 2025-10-17 05:17:04.001 19.091 g-ZTF PSN ZTF25abxgmpf ZTF N
273390 2025-10-14 23:53:11 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 19:43:54.682 +70:35:02.22 2025-10-12 21:07:10.272 20.25 wide-ATLAS PSN ATLAS25mqd ATLAS 2025TNSTR4112....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
22252 2025-10-21 05:24:14 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.05 1 ZTF 2025TNSCR4234....1F
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
22252 2025-10-21 03:43:28 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aamx_2025-10-21_03-43-27.895939_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 274692 of Group ZTF
Previous RA, DEC: 19:43:54.788, +70:35:01.67 (295.9782854, +70.5837961)
Updated RA, DEC: 19:43:54.775, +70:35:01.86 (295.978230625, +70.583849775)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 273647 of Group ZTF
Previous RA, DEC: 19:43:54.682, +70:35:02.22 (295.97784, +70.58395)
Updated RA, DEC: 19:43:54.788, +70:35:01.67 (295.9782854, +70.5837961)