RA/DEC (2000)
09:49:31.324 -15:33:12.82
147.380515845 -15.5535619973
Type
SN Ia
Redshift
0.06
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-12-16 11:02:06.003
TNS AT
Y
Public
Y
Host Name
WISEA J094930.94-153313.8
Discovery Mag
19.9926
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, J. Correa-Orellana, H. Kumar, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ahdf - 2026-02-08 08:38:00 Lick-3m / KAST (UCSC)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

 ▌GOTO-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_L
 ▌PS2_GPC2_i
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_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
22965 2026-02-08 08:38:00 Lick-3m / KAST Ravjit Kaur, Jenna Karcheski UCSC tns_2025ahdf_2026-02-08_08-38-00_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-12-18 14:35:10 - 2025-12-18 14:35:10 2461028.107758 - 2461028.107758 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542197 2025-12-18 14:35:10 2461028.107758 19.86 0.17 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-12-17 15:12:44 - 2025-12-17 15:12:44 2461027.13384 - 2461027.13384 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542196 2025-12-17 15:12:44 2461027.13384 19.8 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
i-P1 PS2_GPC2 2025-12-22 14:15:56 - 2025-12-22 14:15:56 2461032.0944 - 2461032.0944 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542001 2025-12-22 14:15:56 2461032.0944 18.77 0.05 20.7 ABMag i-P1 PS2_GPC2 27 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-12-23 05:58:59 - 2025-12-23 05:58:59 2461032.74929 - 2461032.74929 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542145 2025-12-23 05:58:59 2461032.74929 18.839 0.163 19.23 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-12-22 00:38:18 - 2025-12-22 00:38:18 2461031.5266 - 2461031.5266 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542144 2025-12-22 00:38:18 2461031.5266 19.6 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-12-16 07:03:26 - 2025-12-16 07:03:26 2461025.7940509 - 2461025.7940509 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542014 2025-12-16 07:03:26 2461025.7940509 20.87 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-12-23 06:03:40 - 2025-12-23 06:03:40 2461032.7525463 - 2461032.7525463 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542015 2025-12-23 06:03:40 2461032.7525463 19.04 0.08 20.48 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2025-12-16 11:02:06 - 2025-12-16 11:02:06 2461025.9597917 - 2461025.9597917 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539452 2025-12-16 11:02:06 2461025.9597917 19.9926 0.188159 20.1511 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-12-13 10:53:01 - 2025-12-13 10:53:01 2461022.9534838 - 2461022.9534838 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539451 2025-12-13 10:53:01 2461022.9534838 20.1432 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
w-P1 PS1_GPC1 2026-01-09 12:31:48 - 2026-01-09 12:31:48 2461050.02208 - 2461050.02208 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
593494 2026-01-09 12:31:48 2461050.02208 18.84 0.02 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
309400 2026-06-21 16:00:57 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 09:49:31.324 -15:33:12.82 2026-01-09 12:31:47.712 18.84 w-P1 PSN PS25iry Pan-STARRS N
282099 2025-12-23 17:04:23 GOTO_bot G. Ramsay, K. Ackley, M. Dyer et al. GOTO GOTO 09:49:31.327 -15:33:12.65 2025-12-18 14:35:10.464 19.86 L-GOTO Other GOTO25mkt GOTO N
282073 2025-12-23 12:53:05 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 09:49:31.343 -15:33:12.77 2025-12-23 05:58:58.656 18.839 orange-ATLAS PSN ATLAS25qdr ATLAS N
282007 2025-12-23 07:18:05 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 09:49:31.315 -15:33:13.08 2025-12-23 06:03:40.000 19.04 BG-q-BlackGem PSN BGEM J094931.31-153313.1 BlackGEM N
282000 2025-12-23 03:02:54 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 09:49:31.326 -15:33:12.82 2025-12-22 14:15:56.160 18.77 i-P1 PSN PS25iry Pan-STARRS N
280866 2025-12-16 19:58:11 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 09:49:31.333 -15:33:12.69 2025-12-16 11:02:06.003 19.9926 r-ZTF PSN WISEA J094930.94-153313.8 ZTF25acibrgc ZTF SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25acibrgc 2025TNSTR4996....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22964 2026-02-11 06:42:08 Ravjit Kaur Ravjit Kaur (UCSC), Jenna Karcheski (UCSC), Ryan Foley (UCSC) UCSC SN Ia 0.06 1 UCSC When the redshift is given to 2 decimal places, it is derived from the SN spectrum. Otherwise, the redshift is determined from the host galaxy. 2026TNSCR.599....1K
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
22965 2026-02-08 08:38:00 Lick-3m / KAST Ravjit Kaur, Jenna Karcheski UCSC tns_2025ahdf_2026-02-08_08-38-00_Lick-3m_KAST_UCSC.flm Object

Comments

TNS
System

Sun, 06/21/2026 - 16:00

Object coordinates updated

Object coordinates updated according to AT-report 309400 of Group Pan-STARRS
Previous RA, DEC: 09:49:31.326, -15:33:12.82 (147.380523593, -15.553559763)
Updated RA, DEC: 09:49:31.324, -15:33:12.82 (147.380515845, -15.5535619973)

TNS
System

Tue, 12/23/2025 - 03:02

Object coordinates updated

Object coordinates updated according to AT-report 282000 of Group Pan-STARRS
Previous RA, DEC: 09:49:31.333, -15:33:12.69 (147.3805535, -15.5535243)
Updated RA, DEC: 09:49:31.326, -15:33:12.82 (147.380523593, -15.553559763)