RA/DEC (2000)
22:06:40.834 +04:30:47.37
331.670139912 +4.51315823783
Type
CV
Redshift
0
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-05-23 04:09:10.656
TNS AT
Y
Public
Y
Discovery Mag
18.7
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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2025ljl - 2025-06-02 02:43:02 NOT / ALFOSC (BlackGEM)z=
 ▌AT_2025ljl - 2025-06-02 02:43:02 NOT / ALFOSC (BlackGEM)z=
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▌Show [Ca II] at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌GOTO-N_GOTO-1_L
 ▌PS1_GPC1_w
   
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
21245 2025-06-02 02:43:02 NOT / ALFOSC 600 Gerard Garcia-Moreno, Mathias Gort Gerard Garcia-Moreno BlackGEM tns_2025ljl_2460828.6132243983_NOT_ALFOSC_BlackGEM.txt tns_2025ljl_2460828.6132243983_NOT_ALFOSC_BlackGEM.fits Object
21244 2025-06-02 02:43:02 NOT / ALFOSC 600 Gerard Garcia-Moreno, Mathias Gort Gerard Garcia-Moreno BlackGEM tns_2025ljl_2460828.6132243983_NOT_ALFOSC_BlackGEM.txt tns_2025ljl_2460828.6132243983_NOT_ALFOSC_BlackGEM.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-05-23 04:09:11 - 2025-05-23 04:09:11 2460818.673037 - 2460818.673037 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490311 2025-05-23 04:09:11 2460818.673037 18.7 0.14 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-05-20 09:13:58 - 2025-05-20 09:13:58 2460815.8847 - 2460815.8847 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491187 2025-05-20 09:13:58 2460815.8847 18.01 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-05-24 08:20:58 - 2025-05-24 08:20:58 2460819.84789 - 2460819.84789 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491188 2025-05-24 08:20:58 2460819.84789 18.973 0.166 19.22 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-05-18 04:28:41 - 2025-05-18 04:28:41 2460813.686583 - 2460813.686583 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490310 2025-05-18 04:28:41 2460813.686583 18.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
w-P1 PS1_GPC1 2025-06-06 13:16:12 - 2025-06-06 13:16:12 2460833.05292 - 2460833.05292 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494618 2025-06-06 13:16:12 2460833.05292 19.71 0.05 22 ABMag w-P1 PS1_GPC1 45 Robot
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
258233 2025-06-12 17:08:32 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 22:06:40.834 +04:30:47.37 2025-06-06 13:16:12.288 19.71 w-P1 PSN PS25dgn Pan-STARRS N
256570 2025-05-25 05:56:09 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 22:06:40.855 +04:30:47.30 2025-05-24 08:20:57.696 18.973 cyan-ATLAS PSN ATLAS25fjn ATLAS N
256036 2025-05-23 07:17:16 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 22:06:40.840 +04:30:47.03 2025-05-23 04:09:10.656 18.7 L-GOTO Other GOTO25cws GOTO 2025TNSTR1915....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
21244 2025-06-06 22:20:19 Nadejda Blagorodnova Mujortova Nadejda Blagorodnova Mujortova BlackGEM CV 0 1 BlackGEM, CET-3PO Narrow Balmer emission. Likely dwarf nova. Extinction from NED is Av=4.325. 2025TNSCR2126....1M
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
21244 2025-06-02 02:43:02 NOT / ALFOSC 600 Gerard Garcia-Moreno, Mathias Gort Gerard Garcia-Moreno BlackGEM tns_2025ljl_2460828.6132243983_NOT_ALFOSC_BlackGEM.txt tns_2025ljl_2460828.6132243983_NOT_ALFOSC_BlackGEM.fits Object
21245 2025-06-06 22:20:05 Nadejda Blagorodnova Mujortova Nadejda Blagorodnova Mujortova BlackGEM CV 0 1 BlackGEM, CET-3PO Narrow Balmer emission. Likely dwarf nova. Extinction from NED is Av=4.325. 2025TNSCR2126....1M
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
21245 2025-06-02 02:43:02 NOT / ALFOSC 600 Gerard Garcia-Moreno, Mathias Gort Gerard Garcia-Moreno BlackGEM tns_2025ljl_2460828.6132243983_NOT_ALFOSC_BlackGEM.txt tns_2025ljl_2460828.6132243983_NOT_ALFOSC_BlackGEM.fits Object

Comments

TNS
System

Thu, 06/12/2025 - 17:08

Object coordinates updated

Object coordinates updated according to AT-report 258233 of Group Pan-STARRS
Previous RA, DEC: 22:06:40.855, +04:30:47.30 (331.670228, +4.51314)
Updated RA, DEC: 22:06:40.834, +04:30:47.37 (331.670139912, +4.51315823783)

TNS
System

Sun, 05/25/2025 - 05:56

Object coordinates updated

Object coordinates updated according to AT-report 256570 of Group ATLAS
Previous RA, DEC: 22:06:40.840, +04:30:47.03 (331.670166, +4.513063)
Updated RA, DEC: 22:06:40.855, +04:30:47.30 (331.670228, +4.51314)