RA/DEC (2000)
05:05:29.374 +04:02:20.99
76.3723929071 +4.03916316152
Type
SN Ia
Redshift
0.0733
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-19 13:42:57.600
TNS AT
Y
Public
Y
Discovery Mag
18.49
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_2025upr - 2025-09-16 04:59:15 LT / SPRAT (ZTF)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-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_w
   
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
22034 2025-09-16 04:59:15 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025upr_2025-09-16_04-59-15.032_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-14 04:57:30 - 2025-08-14 04:57:30 2460901.7066 - 2460901.7066 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510564 2025-08-14 04:57:30 2460901.7066 18.68 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-08-08 05:29:17 - 2025-08-27 05:08:47 2460895.728671 - 2460914.714426 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512656 2025-08-27 05:08:47 2460914.714426 18.61 0.1 ABMag L-GOTO GOTO-N_GOTO-2 180
512655 2025-08-08 05:29:17 2460895.728671 18.7 ABMag L-GOTO GOTO-N_GOTO-2 270 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-13 11:20:58 - 2025-08-23 11:29:55 2460900.9728935 - 2460910.9791088 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511679 2025-08-23 11:29:55 2460910.9791088 18.3709 0.0810724 ABMag g-ZTF P48_ZTF-Cam
511678 2025-08-13 11:20:58 2460900.9728935 18.6451 0.121435 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-19 13:42:58 - 2025-08-19 13:42:58 2460907.0715 - 2460907.0715 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510565 2025-08-19 13:42:58 2460907.0715 18.49 0.056 19.93 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 Robot
w-P1 PS1_GPC1 2025-10-15 13:58:20 - 2025-10-15 13:58:20 2460964.08218 - 2460964.08218 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544007 2025-10-15 13:58:20 2460964.08218 20.89 0.15 22 ABMag w-P1 PS1_GPC1 45 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
282995 2025-12-28 18:01:10 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 05:05:29.374 +04:02:20.99 2025-10-15 13:58:20.352 20.89 w-P1 PSN PS25jez Pan-STARRS N
267809 2025-08-27 06:55:14 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 05:05:29.400 +04:02:20.90 2025-08-27 05:08:46.752 18.61 L-GOTO Other GOTO25gkc GOTO N
267318 2025-08-23 14:43:03 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 05:05:29.373 +04:02:21.09 2025-08-13 11:20:57.998 18.6451 g-ZTF PSN ZTF25abiksod ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
266746 2025-08-20 13:48:19 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 05:05:29.379 +04:02:20.99 2025-08-19 13:42:57.600 18.49 orange-ATLAS PSN ATLAS25jxe 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
22034 2025-09-16 16:05:06 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.0733 1 1 ZTF Spectrum is well-fit by template spectra from previously classified post-peak SN Ia. Redshift found using host galaxy H-alpha emission. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR3732....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025upr_atrep_22034_ZTF.pdf NGSF fits 2025-09-16 16:05:06 Jacob Wise
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
22034 2025-09-16 04:59:15 LT / SPRAT Jacob Wise, Daniel Perley, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025upr_2025-09-16_04-59-15.032_LT_SPRAT_ZTF.spec Object

Comments

TNS
System

Sun, 12/28/2025 - 18:01

Object coordinates updated

Object coordinates updated according to AT-report 282995 of Group Pan-STARRS
Previous RA, DEC: 05:05:29.373, +04:02:21.09 (76.3723871, +4.0391913)
Updated RA, DEC: 05:05:29.374, +04:02:20.99 (76.3723929071, +4.03916316152)

TNS
System

Sat, 08/23/2025 - 14:43

Object coordinates updated

Object coordinates updated according to AT-report 267318 of Group ZTF
Previous RA, DEC: 05:05:29.379, +04:02:20.99 (76.3724125, +4.039165)
Updated RA, DEC: 05:05:29.373, +04:02:21.09 (76.3723871, +4.0391913)