RA/DEC (2000)
09:01:02.208 +05:38:32.44
135.259200225 +5.64234369973
Type
SN Ia
Redshift
0.087
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-11-27 12:24:13.248
TNS AT
Y
Public
Y
Discovery Mag
18.891
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025afam - 2025-12-17 08:22:39 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

 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌GOTO-N_GOTO-1_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
22605 2025-12-17 08:22:39 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025afam_2025-12-17_08-22-39.385660_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2025-12-02 14:12:33 - 2025-12-02 14:12:33 2461012.09205 - 2461012.09205 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545866 2025-12-02 14:12:33 2461012.09205 18.72 0.03 22 ABMag w-P1 PS2_GPC2 45 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-11-26 07:00:51 - 2025-11-26 07:00:51 2461005.79226 - 2461005.79226 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534313 2025-11-26 07:00:51 2461005.79226 19.2 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-11-19 03:58:20 - 2025-11-29 03:28:00 2460998.665506 - 2461008.644454 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534755 2025-11-29 03:28:00 2461008.644454 19.03 0.09 ABMag L-GOTO GOTO-N_GOTO-1 180
534754 2025-11-19 03:58:20 2460998.665506 20.1 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-13 13:01:58 - 2025-11-25 11:37:30 2460993.0430324 - 2461004.984375 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534724 2025-11-25 11:37:30 2461004.984375 19.5999 0.139858 ABMag r-ZTF P48_ZTF-Cam
538239 2025-11-25 11:37:30 2461004.984375 19.5999 0.139858 20.4045 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
534723 2025-11-13 13:01:58 2460993.0430324 20.5027 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
538238 2025-11-13 13:01:58 2460993.0430324 20.0836 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-11-29 10:35:01 - 2025-11-29 10:35:01 2461008.9409838 - 2461008.9409838 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534725 2025-11-29 10:35:01 2461008.9409838 18.8474 0.0835481 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-11-27 12:24:13 - 2025-11-27 12:24:13 2461007.01682 - 2461007.01682 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534314 2025-11-27 12:24:13 2461007.01682 18.891 0.112 19.47 ABMag cyan-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
284619 2025-12-31 00:24:56 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 09:01:02.208 +05:38:32.44 2025-12-02 14:12:33.120 18.72 w-P1 PSN PS25lgq Pan-STARRS N
280292 2025-12-12 19:18:52 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 09:01:02.212 +05:38:32.49 2025-11-25 11:37:30.000 19.5999 r-ZTF PSN ZTF25acepqhk ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25acepqhk N
278692 2025-11-29 13:50:17 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 09:01:02.239 +05:38:32.95 2025-11-29 03:28:00.480 19.03 L-GOTO Other GOTO25kqo GOTO N
278679 2025-11-29 10:49:50 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 09:01:02.207 +05:38:32.54 2025-11-25 11:37:30.000 19.5999 r-ZTF PSN ZTF25acepqhk ZTF N
278501 2025-11-27 22:14:01 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 09:01:02.226 +05:38:32.56 2025-11-27 12:24:13.248 18.891 cyan-ATLAS PSN ATLAS25pay ATLAS 2025TNSTR4732....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
22604 2025-12-17 09:16:21 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 0.087 1 ZTF 2025TNSCR5022....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
22605 2025-12-17 08:22:39 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025afam_2025-12-17_08-22-39.385660_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 12/31/2025 - 00:24

Object coordinates updated

Object coordinates updated according to AT-report 284619 of Group Pan-STARRS
Previous RA, DEC: 09:01:02.212, +05:38:32.49 (135.25921857, +5.64235946)
Updated RA, DEC: 09:01:02.208, +05:38:32.44 (135.259200225, +5.64234369973)

TNS
System

Fri, 12/12/2025 - 19:18

Object coordinates updated

Object coordinates updated according to AT-report 280292 of Group ZTF
Previous RA, DEC: 09:01:02.207, +05:38:32.54 (135.2591968, +5.6423736)
Updated RA, DEC: 09:01:02.212, +05:38:32.49 (135.25921857, +5.64235946)

TNS
System

Sat, 11/29/2025 - 10:49

Object coordinates updated

Object coordinates updated according to AT-report 278679 of Group ZTF
Previous RA, DEC: 09:01:02.226, +05:38:32.56 (135.259275, +5.6423775)
Updated RA, DEC: 09:01:02.207, +05:38:32.54 (135.2591968, +5.6423736)