RA/DEC (2000)
14:46:28.604 +14:22:30.73
221.6191844 +14.3752019
Type
SN Ia
Redshift
0.046475
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-15 13:30:44.003
TNS AT
Y
Public
Y
Discovery Mag
17.7762
Filter
r-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ahhb - 2025-12-18 12:36:09 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_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
22642 2025-12-18 12:36:09 P60 / SEDM 2160 SEDmRobot ZTF tns_2025ahhb_2025-12-18_12-36-08.565824_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-08-20 21:46:58 - 2026-01-09 06:25:56 2460908.407625 - 2461049.768012 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
548243 2026-01-09 06:25:56 2461049.768012 18.72 0.1 ABMag L-GOTO GOTO-N_GOTO-1 180
548242 2025-08-20 21:46:58 2460908.407625 20 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-13 13:28:41 - 2025-12-15 13:30:44 2461023.0615856 - 2461025.0630093 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539725 2025-12-15 13:30:44 2461025.0630093 17.7762 0.10188 ABMag r-ZTF P48_ZTF-Cam
539724 2025-12-13 13:28:41 2461023.0615856 20.1516 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-17 13:18:56 - 2025-12-17 13:18:56 2461027.0548148 - 2461027.0548148 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539726 2025-12-17 13:18:56 2461027.0548148 17.5714 0.0598842 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-01-02 14:36:04 - 2026-01-02 14:36:04 2461043.10838 - 2461043.10838 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547016 2026-01-02 14:36:04 2461043.10838 17.791 0.126 18.73 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-10 15:55:55 - 2025-12-10 15:55:55 2461020.16383 - 2461020.16383 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547015 2025-12-10 15:55:55 2461020.16383 17.8 ABMag orange-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
286344 2026-01-10 15:09:12 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 14:46:28.608 +14:22:30.86 2026-01-09 06:25:56.064 18.72 L-GOTO Other GOTO26ec GOTO N
285686 2026-01-02 18:29:34 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 14:46:28.645 +14:22:31.28 2026-01-02 14:36:04.032 17.791 orange-ATLAS PSN ATLAS26aal ATLAS N
281000 2025-12-17 14:51:28 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 14:46:28.604 +14:22:30.73 2025-12-15 13:30:44.003 17.7762 r-ZTF PSN ZTF25achxmlx ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR5017....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
22641 2025-12-19 21:45:19 ZTF_Bot1 J. Johansson, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.046475 1 ZTF 2025TNSCR5076....1J
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
22642 2025-12-18 12:36:09 P60 / SEDM 2160 SEDmRobot ZTF tns_2025ahhb_2025-12-18_12-36-08.565824_P60_SEDM_ZTF.ascii Object

Comments