RA/DEC (2000)
17:12:24.823 +42:15:54.34
258.10342817 +42.2650940903
Type
SN Ia
Redshift
0.0368
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-07-19 06:11:28.003
TNS AT
Y
Public
Y
Discovery Mag
18.4147
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_2025rlr - 2025-07-20 22:28:53 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

 ▌GOTO-N_GOTO-2_L
 ▌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
21585 2025-07-20 22:28:53 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025rlr_2025-07-20_22-28-53.263_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-07-16 23:49:19 - 2025-07-17 23:30:52 2460873.492583 - 2460874.47977 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505419 2025-07-17 23:30:52 2460874.47977 18.97 0.15 ABMag L-GOTO GOTO-N_GOTO-2 180
505418 2025-07-16 23:49:19 2460873.492583 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-07-16 06:47:47 - 2025-07-19 06:11:28 2460872.7831829 - 2460875.757963 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503416 2025-07-19 06:11:28 2460875.757963 18.4147 0.0729162 ABMag r-ZTF P48_ZTF-Cam
503415 2025-07-16 06:47:47 2460872.7831829 20.3412 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-07-19 06:51:39 - 2025-07-19 06:51:39 2460875.7858681 - 2460875.7858681 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503417 2025-07-19 06:51:39 2460875.7858681 18.2446 0.0694631 ABMag g-ZTF P48_ZTF-Cam
w-P1 PS1_GPC1 2025-08-01 08:04:06 - 2025-08-01 08:04:06 2460888.83618 - 2460888.83618 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544808 2025-08-01 08:04:06 2460888.83618 17.01 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
283682 2025-12-29 18:36:09 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 17:12:24.823 +42:15:54.34 2025-08-01 08:04:05.952 17.01 w-P1 PSN PS25kbq Pan-STARRS N
263971 2025-07-27 09:14:55 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 17:12:24.871 +42:15:54.38 2025-07-17 23:30:52.128 18.97 L-GOTO Other GOTO25flg GOTO N
262973 2025-07-19 08:51:19 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 17:12:24.839 +42:15:54.54 2025-07-19 06:11:28.003 18.4147 r-ZTF PSN ZTF25abbwsqe ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR2776....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
21585 2025-07-21 00:09:14 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.0368 1 1 ZTF Spectrum is well-fit by template spectra from previously classified SN Ia-norm events at a redshift of z = 0.0368, redshift from galaxy emission lines. This event is a sibling event of the SN Ia SN 2020hxn. Classification performed using Next Generation Superfit (NGSF; Goldwasser et al. 2022). 2025TNSCR2819....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025rlr_atrep_21585_ZTF.pdf NGSF fits 2025-07-21 00:09:14 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
21585 2025-07-20 22:28:53 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025rlr_2025-07-20_22-28-53.263_LT_SPRAT_ZTF.spec Object

Comments

TNS
System

Mon, 12/29/2025 - 18:36

Object coordinates updated

Object coordinates updated according to AT-report 283682 of Group Pan-STARRS
Previous RA, DEC: 17:12:24.839, +42:15:54.54 (258.1034963, +42.2651492)
Updated RA, DEC: 17:12:24.823, +42:15:54.34 (258.10342817, +42.2650940903)