RA/DEC (2000)
03:07:48.847 -04:15:36.85
46.9535291 -4.2602372
Type
SN Ia
Redshift
0.031
Related AstroNotes: 2025-39
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-01-25 19:07:58.080
TNS AT
Y
Public
Y
Discovery Mag
19.083
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 (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_2025afh - 2025-01-27 02:05:35 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
Show H at z=vexp= km/s
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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
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-STH_ATLAS-03_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
20251 2025-01-27 02:05:35 ESO-NTT / EFOSC2-NTT 1799 Simon de Wet, Hannah Wichern Giorgos Leloudas ePESSTO+ tns_2025afh_2025-01-27_02-05-35_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025afh_2025-01-27_02-05-35_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-STH_ATLAS-03 2025-01-25 19:07:58 - 2025-01-25 19:07:58 2460701.2972 - 2460701.2972 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464721 2025-01-25 19:07:58 2460701.2972 19.083 0.163 19.34 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-01-25 21:55:26 - 2025-01-29 22:06:25 2460701.413499 - 2460705.421125 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465844 2025-01-29 22:06:25 2460705.421125 18.88 0.12 ABMag L-GOTO GOTO-N_GOTO-1 180
465843 2025-01-25 21:55:26 2460701.413499 19.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-01-22 04:26:46 - 2025-01-24 03:26:53 2460697.6852546 - 2460699.643669 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465657 2025-01-24 03:26:53 2460699.643669 19.3927 0.171425 ABMag r-ZTF P48_ZTF-Cam
465656 2025-01-22 04:26:46 2460697.6852546 16.9685 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-01-31 05:56:18 - 2025-01-31 05:56:18 2460706.7474306 - 2460706.7474306 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465658 2025-01-31 05:56:18 2460706.7474306 19.0879 0.13404 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-01-25 07:05:05 - 2025-01-25 07:05:05 2460700.7952 - 2460700.7952 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464720 2025-01-25 07:05:05 2460700.7952 16.05 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
243044 2025-01-31 17:22:51 GOTO_bot K. Ulaczyk,D. O'Neill,K. Ackley et al. GOTO GOTO 03:07:48.911 -04:15:37.70 2025-01-29 22:06:24.768 18.88 L-GOTO Other GOTO25wy GOTO N
242971 2025-01-31 06:56:23 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 03:07:48.847 -04:15:36.85 2025-01-24 03:26:53.001 19.3927 r-ZTF PSN ZTF25aadavqf ZTF N
242484 2025-01-26 10:44:49 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 03:07:48.894 -04:15:36.98 2025-01-25 19:07:58.080 19.083 orange-ATLAS PSN ATLAS25ayb ATLAS 2025TNSTR.352....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
20251 2025-01-27 16:47:22 ePESSTOplus_Bot1 Simon de Wet, Hannah Wichern, Giorgos Leloudas, Ofer Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.031 1 ePESSTO+ 2025TNSCR.377....1W
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
20251 2025-01-27 02:05:35 ESO-NTT / EFOSC2-NTT 1799 Simon de Wet, Hannah Wichern Giorgos Leloudas ePESSTO+ tns_2025afh_2025-01-27_02-05-35_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025afh_2025-01-27_02-05-35_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 242971 of Group ZTF
Previous RA, DEC: 03:07:48.894, -04:15:36.98 (46.953725, -4.2602725)
Updated RA, DEC: 03:07:48.847, -04:15:36.85 (46.9535291, -4.2602372)