RA/DEC (2000)
18:06:08.020 +31:37:48.01
271.53341874195 +31.630003486772
Type
CV
Redshift
0
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-05-18 01:42:10.080
TNS AT
Y
Public
Y
Discovery Mag
16.34
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, 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_2025kyb - 2025-05-21 03:52:48 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

 LAST_LAST-Cam_Clear
 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
21082 2025-05-21 03:52:48 LT / SPRAT B. Warwick GOTO tns_2025kyb_2025-05-21_03-52-48_LT_SPRAT_GOTO.ascii Object LT quick auto-reduction
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-06-04 20:29:58 - 2025-07-16 21:02:27 2460466.35414 - 2460873.3767 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503035 2025-07-16 21:02:27 2460873.3767 18.22 ABMag Clear- LAST_LAST-Cam 400
503034 2024-06-04 20:29:58 2460466.35414 21.63 ABMag Clear- LAST_LAST-Cam 2800 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-05-09 01:03:52 - 2025-05-18 01:42:10 2460804.544349 - 2460813.570948 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489463 2025-05-18 01:42:10 2460813.570948 16.34 0.02 ABMag L-GOTO GOTO-N_GOTO-2 180
489462 2025-05-09 01:03:52 2460804.544349 16.3 ABMag L-GOTO GOTO-N_GOTO-2 180 [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
262782 2025-07-17 05:21:33 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 18:06:08.020 +31:37:48.01 2025-07-16 21:02:26.880 18.22 Clear- PSN LAST N
255652 2025-05-21 10:44:58 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 18:06:08.010 +31:37:47.99 2025-05-18 01:42:10.080 16.34 L-GOTO Other GOTO25ctd GOTO 2025TNSTR1869....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
21082 2025-05-21 11:02:27 David O'Neill D. O'Neill, B. Warwick, M. Pursiainen, J. Lyman, K. Ackley, M. Dyer, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, A. Kumar, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, on behalf of GOTO collaboration GOTO CV 0 1 GOTO Blue continuum with narrow H-alpha emission consistent with z=0.0. Likely CV. 2025TNSCR1881....1O
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
21082 2025-05-21 03:52:48 LT / SPRAT B. Warwick GOTO tns_2025kyb_2025-05-21_03-52-48_LT_SPRAT_GOTO.ascii Object LT quick auto-reduction

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 262782 of Group LAST
Previous RA, DEC: 18:06:08.010, +31:37:47.99 (271.533374, +31.629997)
Updated RA, DEC: 18:06:08.020, +31:37:48.01 (271.53341874195, +31.630003486772)