RA/DEC (2000)
20:52:10.322 -48:46:48.48
313.043008 -48.780134
Type
SN Ib
Redshift
0.0175
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-10-17 01:23:24.288
TNS AT
Y
Public
Y
Host Name
NGC6970
Comments
[Object cross-matched with NGC6970]
Discovery Mag
18.304
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, P. J. Broda (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)

Spectra

 ▌SN_2025aard - 2025-10-29 01:05:16 Magellan-Baade / IMACS (POISE)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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-CHL_ATLAS-04_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
22322 2025-10-29 01:05:16 Magellan-Baade / IMACS Hsiao, Xiao Morrell POISE tns_2025aard_2025-10-29_01-05-16_Magellan-Baade_IMACS_POISE. Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-10-05 11:14:07 - 2025-10-24 10:12:08 2460953.968138 - 2460972.925085 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526653 2025-10-24 10:12:08 2460972.925085 17.75 0.04 ABMag L-GOTO GOTO-S_GOTO-4 180
526652 2025-10-05 11:14:07 2460953.968138 19 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-10-16 02:07:14 - 2025-10-17 01:23:24 2460964.58836 - 2460965.55792 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524405 2025-10-17 01:23:24 2460965.55792 18.304 0.134 19.08 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
524404 2025-10-16 02:07:14 2460964.58836 19.03 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 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
274710 2025-10-24 21:07:13 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 20:52:10.314 -48:46:48.35 2025-10-24 10:12:07.776 17.75 L-GOTO Other GOTO25jcn GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Svetoslav Alexandrov, Henryk Krawczyk, Rosemary Billington, Cledison Marcos da Silva, Mayahuel Torres Guerrero N
273688 2025-10-17 13:35:16 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 20:52:10.322 -48:46:48.48 2025-10-17 01:23:24.288 18.304 orange-ATLAS PSN ATLAS25mva ATLAS 2025TNSTR4155....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
22322 2025-10-29 22:17:50 Huangfei Xiao C. Burns, N. Morrell (Carnegie), M. Stritzinger (Aarhus), C. Brown, A. Cicco, M. Corces, H. Crouse, S. Eason, M. Matulis, A. Howell, E. Hsiao, H. Xiao (FSU) POISE SN Ib 0.0175 1 POISE 2025TNSCR4350....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
22322 2025-10-29 01:05:16 Magellan-Baade / IMACS Hsiao, Xiao Morrell POISE tns_2025aard_2025-10-29_01-05-16_Magellan-Baade_IMACS_POISE. Object

Comments