RA/DEC (2000)
19:05:37.301 -58:49:34.92
286.4054225 -58.8263675
Type
SN Ia-91T-like
Redshift
0.08
Discovery ReportClassification Report
Related AstroNotes: 2025-150
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-04-23 07:12:31.968
TNS AT
Y
Public
Y
Discovery Mag
18.804
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_2025igr - 2025-05-20 04:38:05 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
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌Other_Other_Other
   
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
21069 2025-05-20 04:38:05 ESO-NTT / EFOSC2-NTT 900 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Jie-Lin Yang ePESSTO+ tns_2025igr_2025-05-20_04-38-05_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025igr_2025-05-20_04-38-05_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-04-18 14:26:53 - 2025-04-20 15:18:31 2460784.101999 - 2460786.137856 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488358 2025-04-20 15:18:31 2460786.137856 19.05 0.14 ABMag L-GOTO GOTO-S_GOTO-4 180
488357 2025-04-18 14:26:53 2460784.101999 19.3 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-19 07:55:33 - 2025-04-23 07:12:32 2460784.83024 - 2460788.80037 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
483893 2025-04-23 07:12:32 2460788.80037 18.804 0.176 19 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
483892 2025-04-19 07:55:33 2460784.83024 18.13 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
Other- Other_Other 2016-08-03 03:58:55 - 2025-05-23 05:57:10 2457603.66591 - 2460818.74803 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490616 2025-05-23 05:57:10 2460818.74803 18.7 19.9 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
490615 2025-05-23 05:25:35 2460818.7261 18.6 20 VegaMag Other- Other_Other 60 Robot MASTER-OAFA
490614 2016-08-03 03:58:55 2457603.66591 20.1 VegaMag Other- Other_Other 180 Robot [Last non detection] MASTER-OAFA
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
256164 2025-05-23 20:35:06 MASTER Ya.Kechin,V.Lipunov,E.Gorbovskoy et al. MASTER MASTER 19:05:37.310 -58:49:34.20 2025-05-23 05:25:35.040 18.6 Other- PSN MASTER OT J190537.31-584934.2 MASTER N
255068 2025-05-15 10:56:26 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 19:05:37.251 -58:49:34.73 2025-04-20 15:18:31.104 19.05 L-GOTO Other GOTO25cip GOTO N
252512 2025-04-24 10:49:13 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 19:05:37.301 -58:49:34.92 2025-04-23 07:12:31.968 18.804 orange-ATLAS PSN ATLAS25ecj ATLAS 2025TNSTR1517....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
21069 2025-05-20 18:16:16 ePESSTOplus_Bot1 Stefano Pio Cosentino, Callum Francis Aster, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Jie-Lin Yang, Ofer Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia-91T-like 0.08 1 Add ePESSTO+ 2025TNSCR1857....1C
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
21069 2025-05-20 04:38:05 ESO-NTT / EFOSC2-NTT 900 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Jie-Lin Yang ePESSTO+ tns_2025igr_2025-05-20_04-38-05_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025igr_2025-05-20_04-38-05_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments