RA/DEC (2000)
21:39:34.535 +08:52:38.10
324.8938958 +8.87725
Type
SN Ia
Redshift
0.0284
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-13 12:21:11.808
TNS AT
Y
Public
Y
Discovery Mag
17.858
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

 ▌SN_2025upj - 2025-08-22 00:50:36 LT / SPRAT (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),0 (observed)

Light curves

 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
21843 2025-08-22 00:50:36 LT / SPRAT Robotic GOTO tns_2025upj_2025-08-22_00-50-36.096_LT_SPRAT_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-08-08 04:42:38 - 2025-08-08 04:42:38 2460895.69627 - 2460895.69627 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510462 2025-08-08 04:42:38 2460895.69627 18 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-08-06 00:34:49 - 2025-08-12 23:58:18 2460893.524179 - 2460900.498818 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511101 2025-08-12 23:58:18 2460900.498818 17.91 0.13 ABMag L-GOTO GOTO-N_GOTO-1 180
511100 2025-08-06 00:34:49 2460893.524179 18.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-17 05:46:12 - 2025-09-17 05:46:12 2460935.7404167 - 2460935.7404167 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517971 2025-09-17 05:46:12 2460935.7404167 17.4617 0.0528241 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-09-10 06:34:43 - 2025-09-11 06:50:49 2460928.7741088 - 2460929.7852894 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517970 2025-09-11 06:50:49 2460929.7852894 18.0297 0.0852179 ABMag g-ZTF P48_ZTF-Cam
517969 2025-09-10 06:34:43 2460928.7741088 19.804 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-13 12:21:12 - 2025-08-13 12:21:12 2460901.01472 - 2460901.01472 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510463 2025-08-13 12:21:12 2460901.01472 17.858 0.06 19.88 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 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
270417 2025-09-17 07:34:12 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 21:39:34.535 +08:52:38.10 2025-09-11 06:50:49.004 18.0297 g-ZTF PSN ZTF25abpzotl ZTF N
267025 2025-08-22 09:10:34 GOTO_bot M. Pursiainen, K. Ackley, M. Dyer et al. GOTO GOTO 21:39:34.591 +08:52:36.25 2025-08-12 23:58:18.048 17.91 L-GOTO PSN GOTO24kfr GOTO N
266695 2025-08-20 10:17:27 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 21:39:34.517 +08:52:38.59 2025-08-13 12:21:11.808 17.858 orange-ATLAS PSN ATLAS25juz ATLAS 2025TNSTR3286....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
21843 2025-08-22 09:07:15 Miika Pursiainen M. Pursiainen, D. O'Neill, P. Charalampopoulos, J. Lyman, G. Ramsay, B. Warwick, K. Ackley, M. Dyer, F. Jiménez-Ibarra, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar on behalf of GOTO collaboration GOTO SN Ia 0.0284 1 GOTO Good template matches to Type Ia SNe at the redshift of the host galaxy 0.0284 (NED). 2025TNSCR3327....1P
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
21843 2025-08-22 00:50:36 LT / SPRAT Robotic GOTO tns_2025upj_2025-08-22_00-50-36.096_LT_SPRAT_GOTO.dat Object

Comments

TNS
System

Wed, 09/17/2025 - 07:34

Object coordinates updated

Object coordinates updated according to AT-report 270417 of Group ZTF
Previous RA, DEC: 21:39:34.517, +08:52:38.59 (324.893819412, +8.87738588235)
Updated RA, DEC: 21:39:34.535, +08:52:38.10 (324.8938958, +8.87725)