RA/DEC (2000)
22:55:40.889 +31:15:26.57
343.920370207 +31.2573791942
Type
SN Ia
Redshift
0.0612
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-29 09:17:19.392
TNS AT
Y
Public
Y
Discovery Mag
19.372
Filter
cyan-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, P. J. Broda (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_2025yvl - 2025-10-19 00:00:00 Lick-3m / KAST (TRex)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
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌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
22414 2025-10-19 00:00:00 Lick-3m / KAST 1530 Natalie LeBaron, Nayana AJ Natalie LeBaron TRex tns_2025yvl_2025-10-19_Lick-3m_KAST_TRex.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-26 23:58:36 - 2025-09-26 23:58:36 2460945.49903 - 2460945.49903 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520734 2025-09-26 23:58:36 2460945.49903 20.31 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-08-22 23:33:55 - 2025-10-01 23:21:33 2460910.481891 - 2460950.473298 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521815 2025-10-01 23:21:33 2460950.473298 18.74 0.1 ABMag L-GOTO GOTO-N_GOTO-2 180
521814 2025-08-22 23:33:55 2460910.481891 19.8 ABMag L-GOTO GOTO-N_GOTO-2 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-02 06:27:36 - 2025-10-02 06:27:36 2460950.7691667 - 2460950.7691667 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521796 2025-10-02 06:27:36 2460950.7691667 18.6388 0.0318936 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-09-23 07:29:41 - 2025-09-30 06:14:51 2460941.8122801 - 2460948.7603125 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521795 2025-09-30 06:14:51 2460948.7603125 19.1193 0.0790301 ABMag g-ZTF P48_ZTF-Cam
521794 2025-09-23 07:29:41 2460941.8122801 20.9817 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-09-29 09:17:19 - 2025-09-29 09:17:19 2460947.88703 - 2460947.88703 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520735 2025-09-29 09:17:19 2460947.88703 19.372 0.155 19.52 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
w-P1 PS1_GPC1 2025-10-31 07:37:35 - 2025-10-31 07:37:35 2460979.81777 - 2460979.81777 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
543997 2025-10-31 07:37:35 2460979.81777 19.05 0.04 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
282985 2025-12-28 17:58:59 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 22:55:40.889 +31:15:26.57 2025-10-31 07:37:35.328 19.05 w-P1 PSN PS25jep Pan-STARRS N
272292 2025-10-02 08:06:59 GOTO_bot S. Belkin, G. Ramsay, K. Ackley et al. GOTO GOTO 22:55:40.893 +31:15:26.71 2025-10-01 23:21:33.120 18.74 L-GOTO Other GOTO25ief GOTO N
272283 2025-10-02 07:30:24 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 22:55:40.897 +31:15:26.56 2025-09-30 06:14:50.999 19.1193 g-ZTF PSN ZTF25abuhsyn ZTF N
271687 2025-09-29 13:20:00 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 22:55:40.852 +31:15:26.72 2025-09-29 09:17:19.392 19.372 cyan-ATLAS PSN ATLAS25mcz ATLAS 2025TNSTR3902....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
22413 2025-11-15 00:31:08 Natalie LeBaron Natalie LeBaron, Nayana AJ, Ryan Chornock TRex SN Ia 0.0612 1 TRex We observed SN2025yvl on 10-19-2025 UT with the Kast spectrograph on the Shane telescope. We classify this transient as a SN Ia at +4 d from peak using SNID (Blondin & Tonry, 2007, ApJ, 666, 1024). We measure the redshift from the host galaxy narrow Halpha line. 2025TNSCR4595....1L
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
22414 2025-10-19 00:00:00 Lick-3m / KAST 1530 Natalie LeBaron, Nayana AJ Natalie LeBaron TRex tns_2025yvl_2025-10-19_Lick-3m_KAST_TRex.dat Object

Comments

TNS
System

Sun, 12/28/2025 - 17:59

Object coordinates updated

Object coordinates updated according to AT-report 282985 of Group Pan-STARRS
Previous RA, DEC: 22:55:40.897, +31:15:26.56 (343.9204026, +31.2573767)
Updated RA, DEC: 22:55:40.889, +31:15:26.57 (343.920370207, +31.2573791942)

TNS
System

Thu, 10/02/2025 - 07:30

Object coordinates updated

Object coordinates updated according to AT-report 272283 of Group ZTF
Previous RA, DEC: 22:55:40.852, +31:15:26.72 (343.920216667, +31.2574233333)
Updated RA, DEC: 22:55:40.897, +31:15:26.56 (343.9204026, +31.2573767)