RA/DEC (2000)
21:06:38.509 +24:54:15.67
316.66045621134 +24.904352870845
Type
CV
Redshift
0
Related AstroNotes: 2025-246
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-13 00:56:45.888
TNS AT
Y
Public
Y
Discovery Mag
17.63
Filter
L-GOTO
Reporter/s
D. O'Neill, G. Ramsay, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 AT_2025qzw - 2025-07-31 01:49:40 NOT / ALFOSC (BlackGEM)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
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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
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Show [O I] at z=vexp= km/s
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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
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Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 LAST_LAST-Cam_Clear
 GOTO-S_GOTO-3_L
 GOTO-N_GOTO-2_L
   
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
21718 2025-07-31 01:49:40 NOT / ALFOSC 600 Marco Antonio Gomez Muñoz Gerard Garcia Moreno BlackGEM tns_2025qzw_2025-07-31_01-49-40_NOT_ALFOSC_BlackGEM.txt Object Reduced using pypeit
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-06-10 00:02:52 - 2025-07-16 22:10:13 2460471.50199 - 2460873.42376 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503031 2025-07-16 22:10:13 2460873.42376 17.24 ABMag Clear- LAST_LAST-Cam 400
503030 2024-06-10 00:02:52 2460471.50199 21.52 ABMag Clear- LAST_LAST-Cam 2360 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-07-12 16:43:36 - 2025-07-12 16:43:36 2460869.196938 - 2460869.196938 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502271 2025-07-12 16:43:36 2460869.196938 18.7 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-07-13 00:56:46 - 2025-07-13 00:56:46 2460869.539415 - 2460869.539415 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502272 2025-07-13 00:56:46 2460869.539415 17.63 0.08 ABMag L-GOTO GOTO-N_GOTO-2 180
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
262780 2025-07-17 01:54:50 LAST_Bot1 E. A. Zimmerman (WIS),R. Konno (WIS),A. Horowicz (WIS) et al. LAST LAST 21:06:38.509 +24:54:15.67 2025-07-16 22:10:12.864 17.24 Clear- PSN LAST N
262371 2025-07-13 08:06:05 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 21:06:38.492 +24:54:15.08 2025-07-13 00:56:45.888 17.63 L-GOTO Other GOTO25etu GOTO 2025TNSTR2675....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
21718 2025-08-08 07:23:19 Hugo Tranin Hugo Tranin BlackGEM CV 0 1 BlackGEM, CET-3PO Blue continuum with Hbeta emission. CV in outburst 2025TNSCR3115....1T
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
21718 2025-07-31 01:49:40 NOT / ALFOSC 600 Marco Antonio Gomez Muñoz Gerard Garcia Moreno BlackGEM tns_2025qzw_2025-07-31_01-49-40_NOT_ALFOSC_BlackGEM.txt Object Reduced using pypeit

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 262780 of Group LAST
Previous RA, DEC: 21:06:38.492, +24:54:15.08 (316.660382, +24.904188)
Updated RA, DEC: 21:06:38.509, +24:54:15.67 (316.66045621134, +24.904352870845)