RA/DEC (2000)
00:15:13.229 -07:11:21.39
3.8051221 -7.1892755
Type
SN Ia
Redshift
0.036
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-20 09:53:09.888
TNS AT
Y
Public
Y
Discovery Mag
16.923
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)

Spectra

 SN_2025lwu - 2025-06-12 04:52:47 LT / SPRAT (TCD)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-S_GOTO-4_L
 ATLAS-CHL_ATLAS-04_orange
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-HKO_ATLAS-02_cyan
   
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
21283 2025-06-12 04:52:47 LT / SPRAT 1200 J.H. Terwel J.H. Terwel TCD tns_2025lwu_2025-06-12_04-52-47.249_LT_SPRAT_TCD.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-05-24 18:14:56 - 2025-05-24 18:14:56 2460820.260372 - 2460820.260372 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491651 2025-05-24 18:14:56 2460820.260372 16.92 0.03 ABMag L-GOTO GOTO-S_GOTO-4 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-05-20 09:53:10 - 2025-05-20 09:53:10 2460815.91192 - 2460815.91192 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491162 2025-05-20 09:53:10 2460815.91192 16.923 0.122 17.5 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-01-12 19:33:21 - 2025-01-12 19:33:21 2460688.314828 - 2460688.314828 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491650 2025-01-12 19:33:21 2460688.314828 18.8 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-07-03 11:15:16 - 2025-07-03 11:15:16 2460859.9689352 - 2460859.9689352 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500558 2025-07-03 11:15:16 2460859.9689352 18.5959 0.0707007 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-06-21 10:33:34 - 2025-06-21 10:33:34 2460847.9399769 - 2460847.9399769 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500557 2025-06-21 10:33:34 2460847.9399769 19.0787 0.171768 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-01-21 05:33:54 - 2025-01-21 05:33:54 2460696.73187 - 2460696.73187 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491161 2025-01-21 05:33:54 2460696.73187 19.15 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
261366 2025-07-03 14:05:38 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 00:15:13.229 -07:11:21.39 2025-06-21 10:33:34.004 19.0787 g-ZTF PSN ZTF25aawopwu ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
256810 2025-05-26 10:27:46 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 00:15:13.228 -07:11:21.51 2025-05-24 18:14:55.968 16.92 L-GOTO Other GOTO25dcm GOTO N
256557 2025-05-25 05:41:12 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 00:15:13.244 -07:11:21.52 2025-05-20 09:53:09.888 16.923 orange-ATLAS PSN ATLAS25fiw ATLAS 2025TNSTR1950....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
21283 2025-06-12 09:39:57 Jacco Terwel J.H. Terwel, U. Burgaz, K. Maguire, R. Seth, C. O'Donnell, T.E. Müller-Bravo, C.G. Touchard-Paxton TCD SN Ia 0.036 1 TCD z from host H alpha line 2025TNSCR2199....1T
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
21283 2025-06-12 04:52:47 LT / SPRAT 1200 J.H. Terwel J.H. Terwel TCD tns_2025lwu_2025-06-12_04-52-47.249_LT_SPRAT_TCD.txt Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 261366 of Group ZTF
Previous RA, DEC: 00:15:13.244, -07:11:21.52 (3.8051825, -7.189310625)
Updated RA, DEC: 00:15:13.229, -07:11:21.39 (3.8051221, -7.1892755)