RA/DEC (2000)
18:10:07.662 +47:53:39.19
272.5319236 +47.8942191
Type
CV
Redshift
0
Discovery ReportClassification Report
Related AstroNotes: 2025-45
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-01-28 06:31:12.288
TNS AT
Y
Public
Y
Discovery Mag
15.68
Filter
L-GOTO
Reporter/s
G. Ramsay, T. Killestein, L. Kelsey, E. Wickens, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, A. Kumar, D. O'Neill, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2025aiv - 2025-02-01 06:44:08 LT / SPRAT (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),

Light curves

 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
20288 2025-02-01 06:44:08 LT / SPRAT T. Killestein M. Pursiainen GOTO tns_2025aiv_2025-02-01_06-44-08.246_LT_SPRAT_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2024-11-10 19:34:55 - 2025-01-28 06:31:12 2460625.315916 - 2460703.77167 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
465123 2025-01-28 06:31:12 2460703.77167 15.68 0.01 ABMag L-GOTO GOTO-N_GOTO-1 180
465122 2024-11-10 19:34:55 2460625.315916 19.1 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-02-01 13:14:02 - 2025-02-26 12:52:36 2460708.051412 - 2460733.0365278 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
472605 2025-02-26 12:52:36 2460733.0365278 18.7544 0.10185 ABMag i-ZTF P48_ZTF-Cam
472603 2025-02-01 13:14:02 2460708.051412 18.8568 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2025-02-04 13:44:22 - 2025-02-04 13:44:22 2460711.0724769 - 2460711.0724769 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
472604 2025-02-04 13:44:22 2460711.0724769 17.4555 0.048012 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-02-03 15:15:28 - 2025-02-03 15:15:28 2460710.13574 - 2460710.13574 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466793 2025-02-03 15:15:28 2460710.13574 17.411 0.045 19.29 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-01-22 16:06:20 - 2025-01-22 16:06:20 2460698.17106 - 2460698.17106 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466792 2025-01-22 16:06:20 2460698.17106 16.44 ABMag orange-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
246279 2025-02-28 11:56:49 Fritz Daniel Perley (LJMU),Christoffer Fremling (Caltech),Theophile du Laz (Caltech) on behalf of ZTF et al. ZTF ZTF 18:10:07.662 +47:53:39.19 2025-02-04 13:44:22.004 17.4555 r-ZTF PSN ZTF25aafejht ZTF N
243412 2025-02-04 06:29:41 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 18:10:07.650 +47:53:39.12 2025-02-03 15:15:27.936 17.411 orange-ATLAS PSN ATLAS25bif ATLAS N
242700 2025-01-28 16:11:50 GOTO_bot G. Ramsay,T. Killestein,L. Kelsey et al. GOTO GOTO 18:10:07.648 +47:53:39.32 2025-01-28 06:31:12.288 15.68 L-GOTO Other GOTO25tl GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Antonio Pasqua, Jose Alberto da Silva Campos, Cledison Marcos da Silva, Mayahuel Torres Guerrero, Hiroki Fukuyama 2025TNSTR.389....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20288 2025-02-01 12:39:33 Miika Pursiainen M. Pursiainen, T. Killestein, B. Warwick, 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, D. O'Neill on behalf of GOTO collaboration GOTO CV 0 1 Add GOTO Strong Balmer emission at z=0 consistent with a Galactic object, likely a CV 2025TNSCR.445....1P
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
20288 2025-02-01 06:44:08 LT / SPRAT T. Killestein M. Pursiainen GOTO tns_2025aiv_2025-02-01_06-44-08.246_LT_SPRAT_GOTO.dat Object

Comments

TNS
System

Fri, 02/28/2025 - 11:56

Object coordinates updated

Object coordinates updated according to AT-report 246279 of Group ZTF
Previous RA, DEC: 18:10:07.650, +47:53:39.12 (272.531874737, +47.8942010526)
Updated RA, DEC: 18:10:07.662, +47:53:39.19 (272.5319236, 47.8942191)

TNS
System

Tue, 02/04/2025 - 06:29

Object coordinates updated

Object coordinates updated according to AT-report 243412 of Group ATLAS
Previous RA, DEC: 18:10:07.648, +47:53:39.32 (272.531868, +47.894256)
Updated RA, DEC: 18:10:07.650, +47:53:39.12 (272.531874737, 47.8942010526)