RA/DEC (2000)
18:06:27.494 +64:54:26.03
271.6145571 +64.9072317
Type
SN Ib
Redshift
0.035
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-01-29 06:06:02.880
TNS AT
Y
Public
Y
Discovery Mag
19.1
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_2025ajj - 2025-03-08 21:45:48 Lijiang-2.4m / YFOSC (LiONS)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 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
20563 2025-03-08 21:45:48 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025ajj_2025-03-08_21-45-47.500_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2024-11-13 19:29:51 - 2025-01-29 06:06:03 2460628.312397 - 2460704.754199 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465196 2025-01-29 06:06:03 2460704.754199 19.1 0.14 ABMag L-GOTO GOTO-N_GOTO-1 360
465195 2024-11-13 19:29:51 2460628.312397 19 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-01-24 12:09:36 - 2025-02-04 12:42:56 2460700.0066667 - 2460711.0298148 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466930 2025-02-04 12:42:56 2460711.0298148 18.4267 0.0794242 ABMag r-ZTF P48_ZTF-Cam
466929 2025-01-24 12:09:36 2460700.0066667 19.7324 0.236109 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-01-22 13:08:53 - 2025-01-22 13:08:53 2460698.0478356 - 2460698.0478356 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466928 2025-01-22 13:08:53 2460698.0478356 16.2731 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-02-03 13:38:23 - 2025-02-03 13:38:23 2460710.06832 - 2460710.06832 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466795 2025-02-03 13:38:23 2460710.06832 18.686 0.18 18.92 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2024-11-29 05:10:01 - 2024-11-29 05:10:01 2460643.71529 - 2460643.71529 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466794 2024-11-29 05:10:01 2460643.71529 18.91 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
243471 2025-02-04 12:55:10 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 18:06:27.494 +64:54:26.03 2025-01-24 12:09:36.002 19.7324 r-ZTF PSN ZTF25aafedas ZTF N
243413 2025-02-04 06:30:02 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 18:06:27.535 +64:54:25.88 2025-02-03 13:38:22.848 18.686 orange-ATLAS PSN ATLAS25big ATLAS N
242739 2025-01-29 08:32:29 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 18:06:27.392 +64:54:26.13 2025-01-29 06:06:02.880 19.1 L-GOTO Other GOTO25vl GOTO 2025TNSTR.399....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
20563 2025-03-12 03:30:58 Liping Li Liping Li, Qian Zhai, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN Ib 0.035 1 LiONS The spectrum matches that of an SN Ib at ~20 days after peak (e.g., SN 2004gq at t = +21d and SN 2009iz at t = +21d via SNID and GELATO). 2025TNSCR.969....1L
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
20563 2025-03-08 21:45:48 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025ajj_2025-03-08_21-45-47.500_Lijiang-2.4m_YFOSC_LiONS.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 243471 of Group ZTF
Previous RA, DEC: 18:06:27.535, +64:54:25.88 (271.6147275, +64.9071875)
Updated RA, DEC: 18:06:27.494, +64:54:26.03 (271.6145571, 64.9072317)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 243413 of Group ATLAS
Previous RA, DEC: 18:06:27.392, +64:54:26.13 (271.614132, +64.907258)
Updated RA, DEC: 18:06:27.535, +64:54:25.88 (271.6147275, 64.9071875)