RA/DEC (2000)
22:07:19.414 +47:49:35.55
331.830891 +47.826542
Type
SN Ia
Redshift
0.034207
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-16 02:56:11.040
TNS AT
Y
Public
Y
Discovery Mag
17.934
Filter
wide-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

 ▌SN_2025ube - 2025-08-23 00:00:00 UH88 / SNIFS (SCAT)z=
 ▌SN_2025ube - 2025-08-21 21:38:00 BL41 / FOSC-E5535 (None)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
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
   
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
21850 2025-08-23 00:00:00 UH88 / SNIFS 1800 Hoogendam Hoogendam SCAT tns_2025ube_2025-08-23_UH88_SNIFS_SCAT.dat Object
21841 2025-08-21 21:38:00 BL41 / FOSC-E5535 5400 Claudio Balcon Claudio Balcon None tns_2025ube_2025-08-21_21-38-00_BL41_FOSC-E5535_None.dat tns_2025ube_2025-08-21_21-38-00_BL41_FOSC-E5535_None.fit Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-12 03:59:31 - 2025-08-16 02:56:11 2460899.66633 - 2460903.62235 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509309 2025-08-16 02:56:11 2460903.62235 17.934 0.055 19.38 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
509308 2025-08-12 03:59:31 2460899.66633 17.75 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 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
266078 2025-08-16 15:18:36 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 22:07:19.414 +47:49:35.55 2025-08-16 02:56:11.040 17.934 wide-ATLAS PSN ATLAS25jpl ATLAS 2025TNSTR3226....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
21850 2025-08-23 18:42:54 Willem Hoogendam Willem Hoogendam (IfA/Hawaii), on behalf of SCAT SCAT SN Ia 0.034207 1 SCAT Redshift from NED (matches redshift from SNID) 2025TNSCR3346....1H
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
21850 2025-08-23 00:00:00 UH88 / SNIFS 1800 Hoogendam Hoogendam SCAT tns_2025ube_2025-08-23_UH88_SNIFS_SCAT.dat Object
21841 2025-08-21 22:23:57 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None SN Ia 0.034207 1 GELATO Harutyunyan et al., 2008, A&A, 488, 383 (gelato@tng.iac.es) suggests that this low S/N spectrum resembles that of a type Ia supernova at the redshift of the host galaxy, value from NED. 2025TNSCR3305....1B
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
21841 2025-08-21 21:38:00 BL41 / FOSC-E5535 5400 Claudio Balcon Claudio Balcon None tns_2025ube_2025-08-21_21-38-00_BL41_FOSC-E5535_None.dat tns_2025ube_2025-08-21_21-38-00_BL41_FOSC-E5535_None.fit Object

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