RA/DEC (2000)
00:27:44.246 +28:44:07.60
6.93435766572 +28.7354446793
Type
SN Ia
Redshift
0.075
Discovery ReportClassification Report
Reporting Group
LAST
Discovering Data Source
LAST
Discovery Date
2025-08-25 21:55:59.232
TNS AT
Y
Public
Y
Discovery Mag
20.05
Filter
Clear-
Reporter/s
E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS), S. Garrappa (WIS), S. Ben-Ami (WIS), D. Polishook (WIS), O. Yaron (WIS), P. Chen (WIS), A. Krassilchtchikov (WIS), Y. M. Shani (WIS), E. Segre (WIS), A. Gal-Yam (WIS), S. Spitzer (WIS), and K. Rybicki (WIS) on behalf of the LAST Collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025vll - 2025-09-07 06:13:32 P60 / SEDM (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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_g
   
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
21978 2025-09-07 06:13:32 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025vll_2025-09-07_06-13-31.568955_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-23 00:19:50 - 2025-08-23 00:19:50 2460910.51377 - 2460910.51377 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512506 2025-08-23 00:19:50 2460910.51377 19.99 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2025-07-21 23:02:44 - 2025-08-25 21:55:59 2460878.46023 - 2460913.41388 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512378 2025-08-25 21:55:59 2460913.41388 20.05 ABMag Clear- LAST_LAST-Cam 400
512377 2025-07-21 23:02:44 2460878.46023 20.89 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-08-06 01:09:24 - 2025-09-13 00:10:10 2460893.548197 - 2460931.507059 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516655 2025-09-13 00:10:10 2460931.507059 18.16 0.08 ABMag L-GOTO GOTO-N_GOTO-2 180
516654 2025-08-06 01:09:24 2460893.548197 18.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
i-P1 PS2_GPC2 2025-09-08 10:24:35 - 2025-09-08 10:24:35 2460926.93374 - 2460926.93374 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546448 2025-09-08 10:24:35 2460926.93374 18.84 0.06 20.7 ABMag i-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-08-21 10:06:27 - 2025-08-27 09:08:04 2460908.9211458 - 2460914.8806019 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512684 2025-08-27 09:08:04 2460914.8806019 19.4095 0.107682 ABMag r-ZTF P48_ZTF-Cam
512682 2025-08-21 10:06:27 2460908.9211458 20.8288 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-23 10:00:15 - 2025-08-23 10:00:15 2460910.9168403 - 2460910.9168403 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512683 2025-08-23 10:00:15 2460910.9168403 20.7804 0.151807 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-08-26 11:24:23 - 2025-08-26 11:24:23 2460913.97527 - 2460913.97527 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512507 2025-08-26 11:24:23 2460913.97527 19.813 0.117 20.23 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 110 Robot
g-P1 PS1_GPC1 2025-08-28 09:29:29 - 2025-08-28 09:29:29 2460915.89547 - 2460915.89547 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514579 2025-08-28 09:29:29 2460915.89547 19.28 0.05 21 ABMag g-P1 PS1_GPC1 27 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
285163 2025-12-31 15:35:20 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 00:27:44.246 +28:44:07.60 2025-09-08 10:24:35.136 18.84 i-P1 PSN PS25hhf Pan-STARRS N
269821 2025-09-13 08:36:12 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 00:27:44.286 +28:44:07.14 2025-09-13 00:10:09.984 18.16 L-GOTO Other GOTO25gyo GOTO N
268786 2025-08-31 17:55:09 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 00:27:44.245 +28:44:07.59 2025-08-28 09:29:28.608 19.28 g-P1 PSN PS25hhf Pan-STARRS N
267821 2025-08-27 09:40:29 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 00:27:44.248 +28:44:07.36 2025-08-23 10:00:15.001 20.7804 g-ZTF PSN ZTF25ablmtlg ZTF N
267754 2025-08-26 15:22:41 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 00:27:44.237 +28:44:08.09 2025-08-26 11:24:23.328 19.813 orange-ATLAS PSN ATLAS25klx ATLAS N
267699 2025-08-26 05:30:53 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 00:27:44.262 +28:44:06.89 2025-08-25 21:55:59.232 20.05 Clear- PSN LAST 2025TNSTR3378....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21978 2025-09-07 07:43:22 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.075 1 ZTF 2025TNSCR3608....1F
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
21978 2025-09-07 06:13:32 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025vll_2025-09-07_06-13-31.568955_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 12/31/2025 - 15:35

Object coordinates updated

Object coordinates updated according to AT-report 285163 of Group Pan-STARRS
Previous RA, DEC: 00:27:44.245, +28:44:07.59 (6.93435316724, +28.7354406362)
Updated RA, DEC: 00:27:44.246, +28:44:07.60 (6.93435766572, +28.7354446793)

TNS
System

Sun, 08/31/2025 - 17:55

Object coordinates updated

Object coordinates updated according to AT-report 268786 of Group Pan-STARRS
Previous RA, DEC: 00:27:44.248, +28:44:07.36 (6.9343658, +28.7353767)
Updated RA, DEC: 00:27:44.245, +28:44:07.59 (6.93435316724, +28.7354406362)

TNS
System

Wed, 08/27/2025 - 09:40

Object coordinates updated

Object coordinates updated according to AT-report 267821 of Group ZTF
Previous RA, DEC: 00:27:44.237, +28:44:08.09 (6.93432, +28.73558)
Updated RA, DEC: 00:27:44.248, +28:44:07.36 (6.9343658, +28.7353767)

TNS
System

Tue, 08/26/2025 - 15:22

Object coordinates updated

Object coordinates updated according to AT-report 267754 of Group ATLAS
Previous RA, DEC: 00:27:44.262, +28:44:06.89 (6.9344238737327, +28.735246919567)
Updated RA, DEC: 00:27:44.237, +28:44:08.09 (6.93432, +28.73558)