RA/DEC (2000)
21:51:37.871 -27:14:52.93
327.90779499091 -27.248035390909
Type
SN Ia
Redshift
0.091
Related AstroNotes: 2025-245, 2025-256
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-07-26 08:31:48.996
TNS AT
Y
Public
Y
Discovery Mag
20.474
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF

Spectra

 SN_2025sns - 2025-08-19 07:42:30 P60 / SEDM (ZTF)z=
 SN_2025sns - 2025-08-13 03:06:23 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
Show H at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
Show Fe II 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
 ATLAS-CHL_ATLAS-04_cyan
 BG4_BlackGEM-Cam4_BG-q
 BG2_BlackGEM-Cam2_BG-q
 P48_ZTF-Cam_r
 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
21824 2025-08-19 07:42:30 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025sns_2025-08-19_07-42-30.394570_P60_SEDM_ZTF.ascii Object
21782 2025-08-13 03:06:23 ESO-NTT / EFOSC2-NTT 900 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser ePESSTO+ tns_2025sns_2025-08-13_03-06-23_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025sns_2025-08-13_03-06-23_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-07-30 01:33:37 - 2025-07-30 01:33:37 2460886.56501 - 2460886.56501 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506195 2025-07-30 01:33:37 2460886.56501 18.948 0.095 19.86 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-07-29 05:07:30 - 2025-07-29 05:07:30 2460885.71354 - 2460885.71354 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506194 2025-07-29 05:07:30 2460885.71354 16.36 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-07-29 06:26:27 - 2025-07-29 06:26:27 2460885.7683681 - 2460885.7683681 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505907 2025-07-29 06:26:27 2460885.7683681 19.79 0.1 20.83 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-07-22 05:16:48 - 2025-07-22 05:16:48 2460878.72 - 2460878.72 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505906 2025-07-22 05:16:48 2460878.72 21.18 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-07-25 09:32:47 - 2025-07-29 09:00:33 2460881.8977662 - 2460885.8753819 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505841 2025-07-29 09:00:33 2460885.8753819 19.6308 0.145804 ABMag r-ZTF P48_ZTF-Cam
505839 2025-07-25 09:32:47 2460881.8977662 20.4853 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-07-26 08:31:49 - 2025-07-27 10:04:20 2460882.8554282 - 2460883.9196759 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506728 2025-07-27 10:04:20 2460883.9196759 20.1829 0.251948 20.1738 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
505840 2025-07-26 08:31:49 2460882.8554282 20.474 0.201932 ABMag g-ZTF P48_ZTF-Cam
506727 2025-07-26 08:31:49 2460882.8554282 20.0611 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
264622 2025-08-01 18:17:34 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 21:51:37.871 -27:14:52.93 2025-07-27 10:04:19.998 20.1829 g-ZTF PSN ZTF25abeuvaa ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abeuvaa N
264353 2025-07-30 18:14:17 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:51:37.887 -27:14:53.15 2025-07-30 01:33:36.864 18.948 wide-ATLAS PSN ATLAS25iok ATLAS N
264229 2025-07-29 12:38:02 BlackGEM_Bot1 P. Groot,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 21:51:37.873 -27:14:53.31 2025-07-29 06:26:27.000 19.79 BG-q-BlackGem PSN BGEM J215137.87-271453.3 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025sns_atrep_264229_BlackGEM.pdf Finding Chart 2025-07-29 12:38:05 BlackGEM_Bot1
264200 2025-07-29 10:01:57 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 21:51:37.871 -27:14:52.58 2025-07-26 08:31:48.996 20.474 g-ZTF PSN ZTF25abeuvaa ZTF 2025TNSTR2976....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21824 2025-08-19 08:35:10 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 0.091 1 ZTF 2025TNSCR3284....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
21824 2025-08-19 07:42:30 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025sns_2025-08-19_07-42-30.394570_P60_SEDM_ZTF.ascii Object
21782 2025-08-14 06:37:57 ePESSTOplus_Bot1 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani, Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ SN Ia 0.086 1 ePESSTO+ 2025TNSCR3202....1v
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
21782 2025-08-13 03:06:23 ESO-NTT / EFOSC2-NTT 900 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser ePESSTO+ tns_2025sns_2025-08-13_03-06-23_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025sns_2025-08-13_03-06-23_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 264622 of Group ZTF
Previous RA, DEC: 21:51:37.871, -27:14:52.58 (327.9077975, -27.2479397)
Updated RA, DEC: 21:51:37.871, -27:14:52.93 (327.90779499091, -27.248035390909)