RA/DEC (2000)
22:05:49.113 +15:55:14.73
331.454635714 +15.9207571429
Type
CV
Redshift
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-14 09:15:44.352
TNS AT
Y
Public
Y
Discovery Mag
19.331
Filter
orange-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_2025xmg - 2025-11-02 12:04:21 Lesedi / Mookodi (CET-3PO)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

 ▌ATLAS-STH_ATLAS-03_orange
 ▌ATLAS-MLO_ATLAS-01_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
22633 2025-11-02 12:04:21 Lesedi / Mookodi Lloyd Landsberg CET-3PO tns_2025xmg_2025-11-02_12-04-21_Lesedi_Mookodi_CET-3PO.txt Object The spectrum of AT2025xmg / ZTF25ablxatl was obtained on 2025-11-02 at 12:04:21 UT using Mookodi, the low-resolution spectrograph mounted on the 1-m Lesedi telescope at the South African Astronomical Observatory (SAAO), Sutherland (South Africa). Data reduction was carried out using the observatory’s standard pipeline, which provided a fully reduced spectrum.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-12 21:53:05 - 2025-09-12 21:53:05 2460931.41186 - 2460931.41186 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517171 2025-09-12 21:53:05 2460931.41186 16.91 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-14 09:15:44 - 2025-09-14 09:15:44 2460932.88593 - 2460932.88593 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517172 2025-09-14 09:15:44 2460932.88593 19.331 0.153 19.69 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 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
270066 2025-09-14 19:21:21 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 22:05:49.113 +15:55:14.73 2025-09-14 09:15:44.352 19.331 orange-ATLAS PSN ATLAS25liu ATLAS 2025TNSTR3686....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
22632 2025-12-18 18:19:17 Grace Katusiime Grace Katusiime, Nadejda Blagorodnova Mujortova CET-3PO CV 1 CET-3PO Absence of H lines, and possibly a weak detection of He I lines common in AM CVn systems (Kupfer et al. 2016), but the spectrum has low S/N. 2025TNSCR5047....1K
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
22633 2025-11-02 12:04:21 Lesedi / Mookodi Lloyd Landsberg CET-3PO tns_2025xmg_2025-11-02_12-04-21_Lesedi_Mookodi_CET-3PO.txt Object The spectrum of AT2025xmg / ZTF25ablxatl was obtained on 2025-11-02 at 12:04:21 UT using Mookodi, the low-resolution spectrograph mounted on the 1-m Lesedi telescope at the South African Astronomical Observatory (SAAO), Sutherland (South Africa). Data reduction was carried out using the observatory’s standard pipeline, which provided a fully reduced spectrum.

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