RA/DEC (2000)
16:04:39.459 +16:38:56.32
241.164410863 +16.6489776701
Type
SN Ia
Redshift
0.045038
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-01-04 13:19:40.002
TNS AT
Y
Public
Y
Discovery Mag
18.923
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025dw - 2025-02-04 06:08:18 LT / SPRAT (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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌GOTO-N_GOTO-1_L
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_g
 ▌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
20302 2025-02-04 06:08:18 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025dw_2025-02-04_06-08-17.980_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-09 02:46:25 - 2025-02-28 02:49:09 2460378.61557 - 2460734.61747 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
472397 2025-02-28 02:49:09 2460734.61747 20.03 ABMag Clear- LAST_LAST-Cam 400
472396 2024-03-09 02:46:25 2460378.61557 21.01 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-01-07 06:54:21 - 2025-01-07 06:54:21 2460682.787736 - 2460682.787736 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461533 2025-01-07 06:54:21 2460682.787736 18.24 0.08 ABMag L-GOTO GOTO-N_GOTO-2 180
w-P1 PS2_GPC2 2025-02-22 13:26:29 - 2025-02-22 13:26:29 2460729.06006 - 2460729.06006 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
474369 2025-02-22 13:26:29 2460729.06006 19.62 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2024-12-28 07:00:53 - 2024-12-28 07:00:53 2460672.792276 - 2460672.792276 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461532 2024-12-28 07:00:53 2460672.792276 18.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2024-09-08 23:38:27 - 2025-02-17 08:12:04 2460562.4850347 - 2460723.841713 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470485 2025-02-17 08:12:04 2460723.841713 19.26 0.16 19.68 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
470484 2024-09-08 23:38:27 2460562.4850347 20.59 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
g-ZTF P48_ZTF-Cam 2024-12-31 13:08:41 - 2025-01-06 13:49:40 2460676.0476968 - 2460682.0761574 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461236 2025-01-06 13:49:40 2460682.0761574 18.4661 0.080726 ABMag g-ZTF P48_ZTF-Cam
461235 2025-01-04 13:19:40 2460680.0553241 18.923 0.168407 ABMag g-ZTF P48_ZTF-Cam
464942 2025-01-04 13:19:40 2460680.0553241 18.923 0.168407 19.2576 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
461234 2024-12-31 13:08:41 2460676.0476968 20.0191 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
464941 2024-12-31 13:08:41 2460676.0476968 20.0191 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-01-02 15:52:33 - 2025-01-06 15:23:33 2460678.16149 - 2460682.14135 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461401 2025-01-06 15:23:33 2460682.14135 18.641 0.113 19.37 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
461400 2025-01-02 15:52:33 2460678.16149 18.81 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
247287 2025-03-09 16:58:01 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 16:04:39.459 +16:38:56.32 2025-02-22 13:26:29.184 19.62 w-P1 PSN PS25aar Pan-STARRS N
246198 2025-02-28 05:30:24 LAST_Bot1 R. Konno (WIS),E. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 16:04:39.405 +16:38:57.36 2025-02-28 02:49:09.408 20.03 Clear- PSN LAST N
245334 2025-02-21 16:25:04 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 16:04:39.472 +16:38:56.30 2025-02-17 08:12:04.000 19.26 BG-q-BlackGem 1 PSN BGEM J160439.47+163856.3 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025dw_atrep_245334_BlackGEM.pdf Finding Chart 2025-02-21 16:25:06 BlackGEM_Bot1
242609 2025-01-27 19:34:13 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 16:04:39.453 +16:38:56.36 2025-01-04 13:19:40.002 18.923 g-ZTF PSN ZTF25aaazugo ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aaazugo N
240748 2025-01-07 17:45:56 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 16:04:39.476 +16:38:56.39 2025-01-07 06:54:20.736 18.24 L-GOTO Other GOTO25du GOTO N
240681 2025-01-06 18:32:44 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 16:04:39.455 +16:38:56.43 2025-01-06 15:23:32.640 18.641 orange-ATLAS PSN ATLAS25ags ATLAS N
240610 2025-01-06 14:42:32 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 16:04:39.462 +16:38:56.41 2025-01-04 13:19:40.002 18.923 g-ZTF PSN ZTF25aaazugo ZTF 2025TNSTR..78....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20302 2025-02-04 14:20:03 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.045038 1 1 ZTF Spectrum is well-fit by SN Ia template spectra from previously classified events. Redshift of z = 0.045038 ± 0.000014 from SDSS DR13. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR.490....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025dw_atrep_20302_ZTF.pdf NGSF fits 2025-02-04 14:20:20 Jacob Wise
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
20302 2025-02-04 06:08:18 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025dw_2025-02-04_06-08-17.980_LT_SPRAT_ZTF.spec Object

Comments

TNS
System

Sun, 03/09/2025 - 16:58

Object coordinates updated

Object coordinates updated according to AT-report 247287 of Group Pan-STARRS
Previous RA, DEC: 16:04:39.453, +16:38:56.36 (241.164387475, +16.648988175)
Updated RA, DEC: 16:04:39.459, +16:38:56.32 (241.164410863, 16.6489776701)

TNS
System

Mon, 01/27/2025 - 19:34

Object coordinates updated

Object coordinates updated according to AT-report 242609 of Group ZTF
Previous RA, DEC: 16:04:39.462, +16:38:56.41 (241.1644266, +16.649004)
Updated RA, DEC: 16:04:39.453, +16:38:56.36 (241.164387475, 16.648988175)