RA/DEC (2000)
02:44:07.413 -09:27:20.91
41.0308892 -9.455808
Type
SN Ia-91bg-like
Redshift
0.029314
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-01-27 21:05:25.728
TNS AT
Y
Public
Y
Host Name
NGC1078
Comments
[Object cross-matched with NGC1078]
Discovery Mag
19.15
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration

Spectra

 ▌SN_2025ahu - 2025-02-02 03:39:44 P60 / SEDM (ZTF)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
z-step:   v-step: 
   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_i
 ▌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
20295 2025-02-02 03:39:44 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ahu_2025-02-02_03-39-44.333649_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-STH_ATLAS-03 2025-01-25 19:38:40 - 2025-01-25 19:38:40 2460701.31852 - 2460701.31852 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465372 2025-01-25 19:38:40 2460701.31852 19.3 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-01-17 22:07:20 - 2025-01-27 21:05:26 2460693.421762 - 2460703.378773 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464986 2025-01-27 21:05:26 2460703.378773 19.15 0.14 ABMag L-GOTO GOTO-N_GOTO-1 180
464985 2025-01-17 22:07:20 2460693.421762 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-01-23 04:34:53 - 2025-01-23 04:34:53 2460698.6908912 - 2460698.6908912 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466194 2025-01-23 04:34:53 2460698.6908912 18.6712 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-01-31 03:26:28 - 2025-01-31 03:26:28 2460706.6433796 - 2460706.6433796 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466195 2025-01-31 03:26:28 2460706.6433796 18.3445 0.0703604 ABMag g-ZTF P48_ZTF-Cam
466196 2025-01-31 03:26:28 2460706.6433796 18.3445 0.07036 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-01-29 06:40:11 - 2025-01-29 06:40:11 2460704.77791 - 2460704.77791 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465373 2025-01-29 06:40:11 2460704.77791 18.741 0.158 18.98 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 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
243171 2025-02-02 08:05:59 Fritz Sam Rose (Caltech), Jesper Sollerman (SU), Christoffer Fremling (Caltech) et al. ZTF ZTF 02:44:07.413 -09:27:20.91 2025-01-31 03:26:27.997 18.3445 g-ZTF PSN ZTF25aadhuvy ZTF N
242833 2025-01-29 16:04:27 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 02:44:07.404 -09:27:21.05 2025-01-29 06:40:11.424 18.741 cyan-ATLAS PSN ATLAS25bcf ATLAS N
242631 2025-01-27 21:25:30 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 02:44:07.507 -09:27:21.52 2025-01-27 21:05:25.728 19.15 L-GOTO Other GOTO25su GOTO 2025TNSTR.370....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20295 2025-02-03 18:42:26 ZTF_Bot1 J. Johansson, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia-91bg-like 0.029314 1 ZTF 2025TNSCR.470....1J
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
20295 2025-02-02 03:39:44 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ahu_2025-02-02_03-39-44.333649_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 243171 of Group ZTF
Previous RA, DEC: 02:44:07.404, -09:27:21.05 (41.03085, -9.45584666667)
Updated RA, DEC: 02:44:07.413, -09:27:20.91 (41.0308892, -9.455808)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 242833 of Group ATLAS
Previous RA, DEC: 02:44:07.507, -09:27:21.52 (41.031279, -9.455977)
Updated RA, DEC: 02:44:07.404, -09:27:21.05 (41.03085, -9.45584666667)