RA/DEC (2000)
08:17:38.889 +59:57:25.94
124.4120378 +59.9572049
Type
SN Ia
Redshift
0.028
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-11-28 13:30:23.328
TNS AT
Y
Public
Y
Discovery Mag
18.291
Filter
orange-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_2025afcy - 2025-11-30 18:32:00 Lijiang-2.4m / YFOSC (LiONS)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
z-step:   v-step: 
   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-MLO_ATLAS-01_orange
 ▌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
22478 2025-11-30 18:32:00 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025afcy_2025-11-30_18-31-59.524_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-11-10 03:11:08 - 2025-11-28 01:21:41 2460989.632731 - 2461007.556724 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534602 2025-11-28 01:21:41 2461007.556724 19.02 0.12 ABMag L-GOTO GOTO-N_GOTO-2 90
534601 2025-11-10 03:11:08 2460989.632731 19.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-06 08:12:39 - 2025-12-06 08:12:39 2461015.8421181 - 2461015.8421181 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536297 2025-12-06 08:12:39 2461015.8421181 17.0054 0.0334507 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-12-04 07:58:25 - 2025-12-04 07:58:25 2461013.8322338 - 2461013.8322338 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536296 2025-12-04 07:58:25 2461013.8322338 18.9785 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-11-28 13:30:23 - 2025-11-28 13:30:23 2461008.06277 - 2461008.06277 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534538 2025-11-28 13:30:23 2461008.06277 18.291 0.13 19.32 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-11-25 13:41:42 - 2025-11-25 13:41:42 2461005.07063 - 2461005.07063 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534537 2025-11-25 13:41:42 2461005.07063 19.45 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
279456 2025-12-06 08:46:00 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 08:17:38.889 +59:57:25.94 2025-12-06 08:12:39.003 17.0054 r-ZTF PSN ZTF25acgaiba ZTF N
278622 2025-11-28 19:52:54 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 08:17:38.934 +59:57:25.53 2025-11-28 01:21:40.608 19.02 L-GOTO Other GOTO25kor GOTO N
278594 2025-11-28 17:51:48 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 08:17:38.851 +59:57:25.72 2025-11-28 13:30:23.328 18.291 orange-ATLAS PSN ATLAS25pcf ATLAS 2025TNSTR4744....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
22477 2025-12-01 02:12:35 Liping Li Liping Li, Zeyi Wang, Qian Zhai, Bo Wang, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN Ia 0.028 1 LiONS The spectrum obtained by LJT matches that of a young normal SN Ia (e.g., SN 2006cp at -9d via SNID). The redshift is obtained from the host galaxy in NED. 2025TNSCR4789....1L
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
22478 2025-11-30 18:32:00 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025afcy_2025-11-30_18-31-59.524_Lijiang-2.4m_YFOSC_LiONS.dat Object

Comments

TNS
System

Sat, 12/06/2025 - 08:46

Object coordinates updated

Object coordinates updated according to AT-report 279456 of Group ZTF
Previous RA, DEC: 08:17:38.851, +59:57:25.72 (124.41188, +59.957145)
Updated RA, DEC: 08:17:38.889, +59:57:25.94 (124.4120378, +59.9572049)