RA/DEC (2000)
21:58:24.190 -16:34:15.19
329.60079 -16.5708849
Type
SN Ia
Redshift
0.045
Discovery ReportClassification Report
Related AstroNotes: 2025-157
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-25 01:48:05.184
TNS AT
Y
Public
Y
Discovery Mag
18.645
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025lxp - 2025-05-26 09:14:33 ESO-NTT / EFOSC2-NTT (ePESSTO+)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
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_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
21150 2025-05-26 09:14:33 ESO-NTT / EFOSC2-NTT 1800 Callum Francis Aster, Stefano Pio Cosentino Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai ePESSTO+ tns_2025lxp_2025-05-26_09-14-33_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025lxp_2025-05-26_09-14-33_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-05-24 16:44:44 - 2025-05-24 16:44:44 2460820.197728 - 2460820.197728 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491655 2025-05-24 16:44:44 2460820.197728 18.61 0.09 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-N_GOTO-2 2025-05-15 05:00:39 - 2025-05-15 05:00:39 2460810.708791 - 2460810.708791 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491654 2025-05-15 05:00:39 2460810.708791 18 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-05-24 02:18:24 - 2025-05-25 01:48:05 2460819.59611 - 2460820.57506 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491316 2025-05-25 01:48:05 2460820.57506 18.645 0.137 19.21 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
491315 2025-05-24 02:18:24 2460819.59611 19.13 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-26 11:06:55 - 2025-05-29 10:05:21 2460821.9631366 - 2460824.9203819 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492518 2025-05-29 10:05:21 2460824.9203819 18.206 0.060011 ABMag g-ZTF P48_ZTF-Cam
492517 2025-05-26 11:06:55 2460821.9631366 18.6531 0.059157 ABMag g-ZTF P48_ZTF-Cam
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
257213 2025-05-29 10:43:33 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 21:58:24.190 -16:34:15.19 2025-05-26 11:06:55.002 18.6531 g-ZTF PSN ZTF25aasfkmy ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
256812 2025-05-26 10:28:06 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 21:58:24.227 -16:34:15.04 2025-05-24 16:44:43.872 18.61 L-GOTO Other GOTO25dco GOTO N
256634 2025-05-25 11:42:18 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:58:24.227 -16:34:15.01 2025-05-25 01:48:05.184 18.645 orange-ATLAS PSN ATLAS25fmm 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
21150 2025-05-26 16:54:26 ePESSTOplus_Bot1 Callum Francis Aster, Stefano Pio Cosentino, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia 0.045 1 Add ePESSTO+ 2025TNSCR1978....1A
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
21150 2025-05-26 09:14:33 ESO-NTT / EFOSC2-NTT 1800 Callum Francis Aster, Stefano Pio Cosentino Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai ePESSTO+ tns_2025lxp_2025-05-26_09-14-33_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025lxp_2025-05-26_09-14-33_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Thu, 05/29/2025 - 10:43

Object coordinates updated

Object coordinates updated according to AT-report 257213 of Group ZTF
Previous RA, DEC: 21:58:24.227, -16:34:15.01 (329.600945455, -16.5708354545)
Updated RA, DEC: 21:58:24.190, -16:34:15.19 (329.60079, -16.5708849)