RA/DEC (2000)
00:11:41.369 -22:59:09.58
2.92237008255 -22.9859955201
Type
SN Ia
Redshift
0.0644
Discovery ReportClassification Report
Related AstroNotes: 2025-242
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-16 03:31:34.752
TNS AT
Y
Public
Y
Discovery Mag
18.546
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), M. R. Alarcón, J. Licandro, P. Nichita (IAC), 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_2025rlk - 2025-08-03 00:00:00 Lick-3m / KAST (None)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_g
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌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
21696 2025-08-03 00:00:00 Lick-3m / KAST Kyle Davis None tns_2025rlk_2025-08-03_Lick-3m_KAST_None.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-11-30 16:40:23 - 2025-07-27 01:06:50 2460645.19471 - 2460883.54641 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505397 2025-07-27 01:06:50 2460883.54641 18.29 ABMag Clear- LAST_LAST-Cam 400
505396 2024-11-30 16:40:23 2460645.19471 20.09 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-07-17 03:35:13 - 2025-07-21 05:06:34 2460873.649463 - 2460877.712894 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503901 2025-07-21 05:06:34 2460877.712894 17.87 0.09 ABMag L-GOTO GOTO-N_GOTO-2 180
503900 2025-07-17 03:35:13 2460873.649463 17.8 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-P1 PS2_GPC2 2025-07-22 14:25:21 - 2025-07-22 14:25:21 2460879.10094 - 2460879.10094 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504388 2025-07-22 14:25:21 2460879.10094 17.97 0.04 21 ABMag g-P1 PS2_GPC2 27 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-13 08:21:25 - 2025-07-13 08:21:25 2460869.84821 - 2460869.84821 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503393 2025-07-13 08:21:25 2460869.84821 18.45 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-16 03:31:35 - 2025-07-16 03:31:35 2460872.64693 - 2460872.64693 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503394 2025-07-16 03:31:35 2460872.64693 18.546 0.158 19 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2025-07-20 09:51:03 - 2025-07-29 10:22:31 2460876.9104514 - 2460885.9323032 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505962 2025-07-29 10:22:31 2460885.9323032 18.0003 0.0642253 ABMag r-ZTF P48_ZTF-Cam
505961 2025-07-20 09:51:03 2460876.9104514 18.007 0.0558156 ABMag r-ZTF P48_ZTF-Cam
w-P1 PS1_GPC1 2025-08-02 14:00:08 - 2025-08-02 14:00:08 2460890.08343 - 2460890.08343 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513550 2025-08-02 14:00:08 2460890.08343 18.55 0.03 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
268286 2025-08-28 23:50:34 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 00:11:41.369 -22:59:09.58 2025-08-02 14:00:08.352 18.55 w-P1 PSN PS25fgq Pan-STARRS N
264255 2025-07-29 15:02:05 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 00:11:41.356 -22:59:09.48 2025-07-20 09:51:03.000 18.007 r-ZTF PSN ZTF25abchpzm ZTF N
263960 2025-07-27 08:58:26 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 00:11:41.361 -22:59:08.55 2025-07-27 01:06:49.824 18.29 Clear- PSN LAST N
263492 2025-07-23 14:44:54 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 00:11:41.362 -22:59:09.70 2025-07-22 14:25:21.216 17.97 g-P1 PSN PS25fgq Pan-STARRS N
263236 2025-07-21 06:52:28 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 00:11:41.366 -22:59:09.15 2025-07-21 05:06:33.696 17.87 L-GOTO Other GOTO25fek GOTO N
262964 2025-07-18 23:50:24 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 00:11:41.339 -22:59:09.61 2025-07-16 03:31:34.752 18.546 orange-ATLAS PSN ATLAS25hwg ATLAS 2025TNSTR2748....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
21696 2025-08-03 15:27:23 Ryan Foley Kyle Davis, Ryan Foley None SN Ia 0.0644 1 2025TNSCR3056....1D
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
21696 2025-08-03 00:00:00 Lick-3m / KAST Kyle Davis None tns_2025rlk_2025-08-03_Lick-3m_KAST_None.flm Object

Comments

TNS
System

Thu, 08/28/2025 - 23:50

Object coordinates updated

Object coordinates updated according to AT-report 268286 of Group Pan-STARRS
Previous RA, DEC: 00:11:41.362, -22:59:09.70 (2.92234084553, -22.986027058)
Updated RA, DEC: 00:11:41.369, -22:59:09.58 (2.92237008255, -22.9859955201)

TNS
System

Wed, 07/23/2025 - 14:44

Object coordinates updated

Object coordinates updated according to AT-report 263492 of Group Pan-STARRS
Previous RA, DEC: 00:11:41.339, -22:59:09.61 (2.92224571429, -22.9860014286)
Updated RA, DEC: 00:11:41.362, -22:59:09.70 (2.92234084553, -22.986027058)