RA/DEC (2000)
11:48:28.654 -53:53:10.45
177.119393333 -53.8862355556
Type
SN Ia
Redshift
0.06
Related AstroNotes: 2025-54
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-01-28 13:28:10.272
TNS AT
Y
Public
Y
Discovery Mag
19.06
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration

Spectra

 SN_2025ais - 2025-02-11 06:22:28 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
 ATLAS-CHL_ATLAS-04_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
20378 2025-02-11 06:22:28 ESO-NTT / EFOSC2-NTT 900 J. Gillanders, D. Magill J. Tweddle, S. Srivastav ePESSTO+ tns_2025ais_2025-02-11_06-22-28_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ais_2025-02-11_06-22-28_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-01-24 13:37:00 - 2025-01-28 13:28:10 2460700.067363 - 2460704.061234 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465115 2025-01-28 13:28:10 2460704.061234 19.06 0.15 ABMag L-GOTO GOTO-S_GOTO-4 180
465114 2025-01-24 13:37:00 2460700.067363 19.3 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-01-25 07:43:14 - 2025-01-25 07:43:14 2460700.82169 - 2460700.82169 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465362 2025-01-25 07:43:14 2460700.82169 19.33 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-01-29 05:07:18 - 2025-01-29 05:07:18 2460704.7134 - 2460704.7134 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465363 2025-01-29 05:07:18 2460704.7134 19.219 0.219 19.41 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 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
242828 2025-01-29 15:59:42 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 11:48:28.654 -53:53:10.45 2025-01-29 05:07:17.760 19.219 cyan-ATLAS PSN ATLAS25bbz ATLAS N
242696 2025-01-28 15:04:40 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 11:48:28.618 -53:53:10.66 2025-01-28 13:28:10.272 19.06 L-GOTO Other GOTO25ug GOTO 2025TNSTR.387....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20378 2025-02-11 15:23:06 ePESSTOplus_Bot1 J. Gillanders, D. Magill, J. Tweddle, S. Srivastav, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.06 1 ePESSTO+ 2025TNSCR.584....1G
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
20378 2025-02-11 06:22:28 ESO-NTT / EFOSC2-NTT 900 J. Gillanders, D. Magill J. Tweddle, S. Srivastav ePESSTO+ tns_2025ais_2025-02-11_06-22-28_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ais_2025-02-11_06-22-28_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 242828 of Group ATLAS
Previous RA, DEC: 11:48:28.618, -53:53:10.66 (177.11924, -53.886294)
Updated RA, DEC: 11:48:28.654, -53:53:10.45 (177.119393333, -53.8862355556)