RA/DEC (2000)
04:11:03.760 +21:03:50.19
62.7656677 +21.063943
Type
---
Redshift
Discovery ReportClassification Report
Related AstroNotes: 2025-281
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-29 13:57:49.248
TNS AT
Y
Public
Y
Discovery Mag
18.225
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2025wgb - 2025-09-02 05:51:36 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),

Light curves

 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌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
21954 2025-09-02 05:51:36 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025wgb_2025-09-02_05-51-36_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-08-13 05:32:12 - 2025-09-01 03:33:18 2460900.730694 - 2460919.648117 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514716 2025-09-01 03:33:18 2460919.648117 18.27 0.09 ABMag L-GOTO GOTO-N_GOTO-2 180
514715 2025-08-13 05:32:12 2460900.730694 18.3 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-30 08:57:09 - 2025-08-30 08:57:09 2460917.8730208 - 2460917.8730208 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514158 2025-08-30 08:57:09 2460917.8730208 17.8533 0.0546792 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-08-27 11:35:38 - 2025-08-27 11:36:59 2460914.9830787 - 2460914.9840162 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514157 2025-08-27 11:36:59 2460914.9840162 20.9208 0.20983 ABMag g-ZTF P48_ZTF-Cam
514156 2025-08-27 11:35:38 2460914.9830787 20.4713 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-08-29 13:57:49 - 2025-08-29 13:57:49 2460917.08182 - 2460917.08182 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513899 2025-08-29 13:57:49 2460917.08182 18.225 0.074 19.49 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-08-26 15:09:18 - 2025-08-26 15:09:18 2460914.13146 - 2460914.13146 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513898 2025-08-26 15:09:18 2460914.13146 19.51 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 110 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
268843 2025-09-01 08:44:32 GOTO_bot M. Pursiainen,G. Ramsay,K. Ackley et al. GOTO GOTO 04:11:03.751 +21:03:49.85 2025-09-01 03:33:17.568 18.27 L-GOTO Other GOTO25gql GOTO N
268587 2025-08-30 09:33:27 Fritz Jacob Wise (LJMU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 04:11:03.760 +21:03:50.19 2025-08-27 11:36:58.999 20.9208 g-ZTF PSN ZTF25abmwwga ZTF N
268457 2025-08-29 17:14:06 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 04:11:03.777 +21:03:50.25 2025-08-29 13:57:49.248 18.225 cyan-ATLAS PSN ATLAS25ktk ATLAS 2025TNSTR3431....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21954 2025-09-02 14:41:36 David O'Neill I. Worssam, M. Pursiainen, T. Killestein, J. Lyman, D. O'Neill, 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 Other 1 GOTO The spectrum exhibits a predominantly blue continuum with ambiguous absorption features. No suitable matching templates were found using SNID-SAGE, therefore a robust classification of this object cannot be assigned. 2025TNSCR3528....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
21954 2025-09-02 05:51:36 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025wgb_2025-09-02_05-51-36_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Sat, 08/30/2025 - 09:33

Object coordinates updated

Object coordinates updated according to AT-report 268587 of Group ZTF
Previous RA, DEC: 04:11:03.777, +21:03:50.25 (62.7657363636, +21.0639572727)
Updated RA, DEC: 04:11:03.760, +21:03:50.19 (62.7656677, +21.063943)