RA/DEC (2000)
13:56:08.752 -27:18:21.68
209.036467 -27.306022
Type
SN Ia
Redshift
0.04831
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-27 02:34:49.728
TNS AT
Y
Public
Y
Discovery Mag
18.509
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), 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), C. Kukuckova, N. Keenan (Belfast High School), E. Boyd (Glenlola Collegiate)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025pca - 2025-07-09 07:12:00 ANU-2.3m / WiFeS (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
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌BG2_BlackGEM-Cam2_BG-q
   
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
21504 2025-07-09 07:12:00 ANU-2.3m / WiFeS 450 Robotic C. Lidman None tns_2025pca_2025-07-09.3_ANU-2.3m_WiFeS_None.dat tns_2025pca_2025-07-09.3_ANU-2.3m_WiFeS_None.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-06-15 12:55:06 - 2025-06-15 12:55:06 2460842.038263 - 2460842.038263 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500924 2025-06-15 12:55:06 2460842.038263 19.5 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-07-04 11:03:17 - 2025-07-04 11:03:17 2460860.960605 - 2460860.960605 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500925 2025-07-04 11:03:17 2460860.960605 17.48 0.05 ABMag L-GOTO GOTO-S_GOTO-3 360
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-06-27 02:34:50 - 2025-06-27 02:34:50 2460853.60752 - 2460853.60752 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498656 2025-06-27 02:34:50 2460853.60752 18.509 0.15 19.04 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-06-24 22:28:36 - 2025-06-24 22:28:36 2460851.43653 - 2460851.43653 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498655 2025-06-24 22:28:36 2460851.43653 18.37 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-05-20 01:28:00 - 2025-06-24 00:00:05 2460815.5611111 - 2460850.5000579 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501452 2025-06-24 00:00:05 2460850.5000579 19.29 0.12 20.91 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
501451 2025-05-20 01:28:00 2460815.5611111 21.09 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [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
261849 2025-07-08 15:08:02 BlackGEM_Bot1 S. Faris, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 13:56:08.752 -27:18:21.68 2025-06-24 00:00:05.000 19.29 BG-q-BlackGem 1 PSN BGEM J135608.75-271821.6 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025pca_atrep_261849_BlackGEM.pdf Finding Chart 2025-07-08 15:08:04 BlackGEM_Bot1
261576 2025-07-05 07:18:57 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 13:56:08.797 -27:18:22.21 2025-07-04 11:03:16.704 17.48 L-GOTO Other GOTO25eox GOTO N
260237 2025-06-27 07:37:54 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 13:56:08.815 -27:18:20.89 2025-06-27 02:34:49.728 18.509 orange-ATLAS PSN ATLAS25gnw ATLAS 2025TNSTR2427....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
21504 2025-07-10 04:05:47 Chris Lidman C. Lidman (ANU), M. Acevedo (Duke University), D. Scolnic (Duke University), D. Brout (Boston University), K. Auchettl (University of Melbourne/UCSC), P. Armstrong (ANU), D. Cao (ANU), B. Martin (ANU), and L. Rauf (ANU) None SN Ia 0.04831 1 Classified with Superfit 2025TNSCR2644....1L
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
21504 2025-07-09 07:12:00 ANU-2.3m / WiFeS 450 Robotic C. Lidman None tns_2025pca_2025-07-09.3_ANU-2.3m_WiFeS_None.dat tns_2025pca_2025-07-09.3_ANU-2.3m_WiFeS_None.fits Object

Comments

TNS
System

Tue, 07/08/2025 - 15:08

Object coordinates updated

Object coordinates updated according to AT-report 261849 of Group BlackGEM
Previous RA, DEC: 13:56:08.815, -27:18:20.89 (209.036727273, -27.3058018182)
Updated RA, DEC: 13:56:08.752, -27:18:21.68 (209.036467, -27.306022)