RA/DEC (2000)
21:44:57.402 +21:00:26.89
326.239174512 +21.007469407
Type
SN Ia
Redshift
0.084
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-09 14:16:35.040
TNS AT
Y
Public
Y
Discovery Mag
19.139
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), 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 (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (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_2025kgw - 2025-05-10 13:41:00 UH88 / SNIFS (SCAT)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-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_z
   
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
21015 2025-05-10 13:41:00 UH88 / SNIFS 1800 Atlas Syncatto Atlas Syncatto SCAT tns_2025kgw_2025-05-10_13-41-00_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-05-21 03:41:40 - 2025-05-21 03:41:40 2460816.653945 - 2460816.653945 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489424 2025-05-21 03:41:40 2460816.653945 18.64 0.14 ABMag L-GOTO GOTO-N_GOTO-2 180
L-GOTO GOTO-N_GOTO-1 2025-05-18 03:45:03 - 2025-05-18 03:45:03 2460813.65629 - 2460813.65629 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489423 2025-05-18 03:45:03 2460813.65629 18.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-03 10:42:22 - 2025-05-09 11:54:10 2460798.946088 - 2460804.9959491 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487942 2025-05-09 11:54:10 2460804.9959491 19.2857 0.186748 ABMag r-ZTF P48_ZTF-Cam
487941 2025-05-03 10:42:22 2460798.946088 20.473 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-12 10:48:36 - 2025-05-12 10:48:36 2460807.9504167 - 2460807.9504167 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487943 2025-05-12 10:48:36 2460807.9504167 18.9431 0.215787 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-08 13:29:31 - 2025-05-09 14:16:35 2460804.06216 - 2460805.09485 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487654 2025-05-09 14:16:35 2460805.09485 19.139 0.167 19.44 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
487653 2025-05-08 13:29:31 2460804.06216 19.26 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
z-P1 PS1_GPC1 2025-05-26 14:45:17 - 2025-05-26 14:45:17 2460822.11478 - 2460822.11478 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492585 2025-05-26 14:45:17 2460822.11478 20.08 0.19 20.4 ABMag z-P1 PS1_GPC1 120 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
257243 2025-05-29 14:56:16 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 21:44:57.402 +21:00:26.89 2025-05-26 14:45:16.992 20.08 z-P1 PSN PS25czz Pan-STARRS N
255637 2025-05-21 08:47:42 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 21:44:57.387 +21:00:26.29 2025-05-21 03:41:40.416 18.64 L-GOTO Other GOTO25cuv GOTO N
254846 2025-05-12 13:22:32 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 21:44:57.390 +21:00:26.83 2025-05-09 11:54:10.002 19.2857 r-ZTF PSN ZTF25aapvizs ZTF N
254687 2025-05-09 21:13:32 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 21:44:57.374 +21:00:27.25 2025-05-09 14:16:35.040 19.139 orange-ATLAS PSN ATLAS25exd ATLAS 2025TNSTR1724....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
21015 2025-05-10 20:38:13 Atlas Syncatto Atlas Syncatto (IfA, UH Hilo) on behalf of the SCAT team. SCAT SN Ia 0.084 1 SCAT 2025TNSCR1746....1S
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
21015 2025-05-10 13:41:00 UH88 / SNIFS 1800 Atlas Syncatto Atlas Syncatto SCAT tns_2025kgw_2025-05-10_13-41-00_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Thu, 05/29/2025 - 14:56

Object coordinates updated

Object coordinates updated according to AT-report 257243 of Group Pan-STARRS
Previous RA, DEC: 21:44:57.390, +21:00:26.83 (326.239126, +21.0074518)
Updated RA, DEC: 21:44:57.402, +21:00:26.89 (326.239174512, +21.007469407)

TNS
System

Mon, 05/12/2025 - 13:22

Object coordinates updated

Object coordinates updated according to AT-report 254846 of Group ZTF
Previous RA, DEC: 21:44:57.374, +21:00:27.25 (326.239056667, +21.00757)
Updated RA, DEC: 21:44:57.390, +21:00:26.83 (326.239126, +21.0074518)