RA/DEC (2000)
04:22:38.070 -06:24:33.33
65.6586249 -6.4092583
Type
SN Ia
Redshift
0.06
Discovery ReportClassification Report
Related AstroNotes: 2025-275
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-08-12 18:26:47.904
TNS AT
Y
Public
Y
Discovery Mag
18.8
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025tqz - 2025-08-30 05:44:45 NOT / ALFOSC (GOTO)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-3_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌P48_ZTF-Cam_g
   
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
21921 2025-08-30 05:44:45 NOT / ALFOSC 900 M. Pursiainen, I. Worssam M. Pursiainen, I. Worssam GOTO tns_2025tqz_2025-08-30_05-44-45.015_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-07-13 19:39:57 - 2025-08-12 18:26:48 2460870.31941 - 2460900.268615 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508287 2025-08-12 18:26:48 2460900.268615 18.8 0.14 ABMag L-GOTO GOTO-S_GOTO-3 180
508286 2025-07-13 19:39:57 2460870.31941 18.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-07-29 09:43:26 - 2025-08-26 09:19:54 2460885.905162 - 2460913.8888194 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512678 2025-08-26 09:19:54 2460913.8888194 18.43 0.04 21.09 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
512677 2025-07-29 09:43:26 2460885.905162 20.35 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-15 11:02:23 - 2025-08-23 11:40:57 2460902.9599884 - 2460910.9867708 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511687 2025-08-23 11:40:57 2460910.9867708 18.4133 0.0832859 ABMag g-ZTF P48_ZTF-Cam
511686 2025-08-15 11:02:23 2460902.9599884 18.599 0.112611 ABMag g-ZTF P48_ZTF-Cam
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
267819 2025-08-27 09:02:29 BlackGEM_Bot1 H. Tranin,F. Stoppa,D. Pieterse et al. BlackGEM BlackGEM 04:22:38.077 -06:24:33.27 2025-08-26 09:19:54.000 18.43 BG-q-BlackGem PSN BGEM J042238.08-062433.3 BlackGEM N
267322 2025-08-23 14:50:55 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 04:22:38.070 -06:24:33.33 2025-08-15 11:02:22.997 18.599 g-ZTF PSN ZTF25abitgrj ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
265573 2025-08-12 18:47:57 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 04:22:38.078 -06:24:34.02 2025-08-12 18:26:47.904 18.8 L-GOTO Other GOTO25fte GOTO 2025TNSTR3161....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
21921 2025-08-30 10:36:48 Tom Killestein I. Worssam, M. Pursiainen, J. Lyman, D. O'Neill, T. Killestein, K. Ackley, M. Dyer, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, A. Kumar on behalf of GOTO collaboration GOTO SN Ia 0.06 1 GOTO Best matches were obtained to SNe Ia around 7 days post-peak. Redshift obtained from template matching. 2025TNSCR3462....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
21921 2025-08-30 05:44:45 NOT / ALFOSC 900 M. Pursiainen, I. Worssam M. Pursiainen, I. Worssam GOTO tns_2025tqz_2025-08-30_05-44-45.015_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Sat, 08/23/2025 - 14:50

Object coordinates updated

Object coordinates updated according to AT-report 267322 of Group ZTF
Previous RA, DEC: 04:22:38.078, -06:24:34.02 (65.658657, -6.409449)
Updated RA, DEC: 04:22:38.070, -06:24:33.33 (65.6586249, -6.4092583)