RA/DEC (2000)
11:33:55.950 +49:23:02.47
173.483124 +49.3840192
Type
SN Ia
Redshift
0.05
Discovery ReportClassification Report
Related AstroNotes: DRAFT-2349, 2025-332
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-11-02 11:57:07.001
TNS AT
Y
Public
Y
Discovery Mag
20.4765
Filter
g-ZTF
Reporter/s
Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025acsj - 2025-11-21 00:00:00 FLWO-1.5m / FAST (VHU-TDA)z=
 ▌SN_2025acsj - 2025-11-13 11:20:26 P60 / SEDM (ZTF)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
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
22491 2025-11-21 00:00:00 FLWO-1.5m / FAST 1500 Gilbert Esquerdo, Perry Berlind S. Karthik Yadavalli, Harsh Kumar VHU-TDA tns_2025acsj_2025-11-21_FLWO-1.5m_FAST_VHU-TDA.ascii Object
22401 2025-11-13 11:20:26 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025acsj_2025-11-13_11-20-25.749149_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-11-09 05:54:51 - 2025-11-09 05:54:51 2460988.74642 - 2460988.74642 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530475 2025-11-09 05:54:51 2460988.74642 19.14 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-07 12:58:23 - 2025-11-07 12:58:23 2460987.040544 - 2460987.040544 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529538 2025-11-07 12:58:23 2460987.040544 19.3866 0.152877 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-11-01 11:47:34 - 2025-11-02 11:57:07 2460980.9913657 - 2460981.9979977 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529537 2025-11-02 11:57:07 2460981.9979977 20.4765 0.165519 ABMag g-ZTF P48_ZTF-Cam
529536 2025-11-01 11:47:34 2460980.9913657 20.5599 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-11-10 14:32:44 - 2025-11-10 14:32:44 2460990.10606 - 2460990.10606 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530476 2025-11-10 14:32:44 2460990.10606 18.43 0.146 18.78 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
276415 2025-11-12 10:34:58 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 11:33:55.959 +49:23:02.37 2025-11-10 14:32:43.584 18.43 orange-ATLAS PSN ATLAS25oca ATLAS N
275997 2025-11-08 01:20:45 Fritz Daniel Perley (LJMU),Christoffer Fremling (Caltech),Theophile du Laz (Caltech) on behalf of ZTF et al. ZTF ZTF 11:33:55.950 +49:23:02.47 2025-11-02 11:57:07.001 20.4765 g-ZTF PSN ZTF25acdceqb ZTF 2025TNSTR4480....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22490 2025-12-02 01:18:29 VHU-TDA Anya Nugent, Yize Dong, V. Ashley Villar, S. Karthik Yadavalli, Alex Gagliano, Kaylee de Soto, Danielle Frostig, Harsh Kumar, Peter Blanchard VHU-TDA SN Ia 0.05 1 1 VHU-TDA 2025TNSCR4809....1N
Related files
File Comments Last Modified (UT) Modified By
tns_2025acsj_atrep_22490_VHU-TDA.png SN Ia-norm from SNID-SAGE, redshift slightly uncertain and no host lines 2025-12-02 01:18:33 VHU-TDA
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
22491 2025-11-21 00:00:00 FLWO-1.5m / FAST 1500 Gilbert Esquerdo, Perry Berlind S. Karthik Yadavalli, Harsh Kumar VHU-TDA tns_2025acsj_2025-11-21_FLWO-1.5m_FAST_VHU-TDA.ascii Object
22400 2025-11-13 12:13:18 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 0.032 1 ZTF 2025TNSCR4564....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
22401 2025-11-13 11:20:26 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025acsj_2025-11-13_11-20-25.749149_P60_SEDM_ZTF.ascii Object

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