RA/DEC (2000)
14:35:17.798 +06:19:22.86
218.824160338 +6.32301579866
Type
SN Ia
Redshift
0.064
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-20 12:06:08.003
TNS AT
Y
Public
Y
Discovery Mag
18.0412
Filter
g-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ahsc - 2026-01-03 22:12:59 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
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▌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
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▌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
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_g
 ▌PS1_GPC1_w
   
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
22729 2026-01-03 22:12:59 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025ahsc_2026-01-03_22-12-58.560_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-09-02 20:57:40 - 2025-09-02 20:57:40 2460921.373378 - 2460921.373378 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
548246 2025-09-02 20:57:40 2460921.373378 19 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-01-09 06:16:22 - 2026-01-09 06:16:22 2461049.761366 - 2461049.761366 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
548247 2026-01-09 06:16:22 2461049.761366 18.84 0.09 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-12-13 13:29:21 - 2025-12-20 13:08:23 2461023.0620486 - 2461030.0474884 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
541074 2025-12-20 13:08:23 2461030.0474884 18.1597 0.0568671 ABMag r-ZTF P48_ZTF-Cam
541072 2025-12-13 13:29:21 2461023.0620486 19.9946 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-20 12:06:08 - 2025-12-20 12:06:08 2461030.0042593 - 2461030.0042593 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
541073 2025-12-20 12:06:08 2461030.0042593 18.0412 0.0246538 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-01-01 14:13:11 - 2026-01-07 14:15:50 2461042.09249 - 2461048.09433 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547370 2026-01-07 14:15:50 2461048.09433 18.634 0.173 18.78 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
547369 2026-01-01 14:13:11 2461042.09249 18.43 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
g-P1 PS1_GPC1 2026-02-13 15:10:27 - 2026-02-13 15:10:27 2461085.13226 - 2461085.13226 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
558722 2026-02-13 15:10:27 2461085.13226 21.24 0.21 21 ABMag g-P1 PS1_GPC1 27 Robot
w-P1 PS1_GPC1 2026-02-14 13:46:12 - 2026-02-14 13:46:12 2461086.07375 - 2461086.07375 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559209 2026-02-14 13:46:12 2461086.07375 20.75 0.22 22 ABMag w-P1 PS1_GPC1 45 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
291730 2026-02-18 00:15:07 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 14:35:17.798 +06:19:22.86 2026-02-14 13:46:12.000 20.75 w-P1 PSN PS26adf Pan-STARRS N
291448 2026-02-15 18:37:03 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 14:35:17.795 +06:19:22.90 2026-02-13 15:10:27.264 21.24 g-P1 PSN PS26adf Pan-STARRS N
286346 2026-01-10 15:09:30 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 14:35:17.791 +06:19:22.57 2026-01-09 06:16:22.368 18.84 L-GOTO Other GOTO26dv GOTO N
285923 2026-01-07 17:20:57 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:35:17.796 +06:19:23.65 2026-01-07 14:15:50.112 18.634 orange-ATLAS PSN ATLAS26abv ATLAS N
281612 2025-12-20 14:07:14 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 14:35:17.793 +06:19:22.90 2025-12-20 12:06:08.003 18.0412 g-ZTF PSN ZTF25acjpvvv ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR5093....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22728 2026-01-04 05:20:03 Liping Li Liping Li, Zeyi Wang, Qian Zhai, Bo Wang, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN Ia 0.064 1 LiONS The spectrum matches that of an SN Ia at a week after maximum (e.g., SN 2008C at +8 days via SNID). The redshift (z ~ 0.064) is obtained from NED. 2026TNSCR..28....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
22729 2026-01-03 22:12:59 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025ahsc_2026-01-03_22-12-58.560_Lijiang-2.4m_YFOSC_LiONS.dat Object

Comments

TNS
System

Wed, 02/18/2026 - 00:15

Object coordinates updated

Object coordinates updated according to AT-report 291730 of Group Pan-STARRS
Previous RA, DEC: 14:35:17.795, +06:19:22.90 (218.824143897, +6.32302818702)
Updated RA, DEC: 14:35:17.798, +06:19:22.86 (218.824160338, +6.32301579866)

TNS
System

Sun, 02/15/2026 - 18:37

Object coordinates updated

Object coordinates updated according to AT-report 291448 of Group Pan-STARRS
Previous RA, DEC: 14:35:17.793, +06:19:22.90 (218.8241361, +6.3230283)
Updated RA, DEC: 14:35:17.795, +06:19:22.90 (218.824143897, +6.32302818702)