RA/DEC (2000)
16:34:38.269 +21:19:11.80
248.659452645 +21.3199457867
Type
SN II
Redshift
0.035476
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-26 07:50:30.336
TNS AT
Y
Public
Y
Discovery Mag
18.559
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_2025sog - 2025-08-19 06:00:42 Lick-3m / KAST (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
z-step:   v-step: 
   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
 ▌PS2_GPC2_w
 ▌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
21862 2025-08-19 06:00:42 Lick-3m / KAST R. Michael Rich, Jacob Wise Jacob Wise ZTF tns_2025sog_2025-08-19_06-00-41.86_Lick-3m_KAST_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-07-24 23:44:56 - 2025-07-24 23:44:56 2460881.48954 - 2460881.48954 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505904 2025-07-24 23:44:56 2460881.48954 20.15 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-07-17 22:33:08 - 2025-07-17 22:33:08 2460874.439684 - 2460874.439684 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506035 2025-07-17 22:33:08 2460874.439684 19.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-08-01 07:24:18 - 2025-08-01 07:24:18 2460888.80854 - 2460888.80854 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507855 2025-08-01 07:24:18 2460888.80854 18.06 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-07-29 21:44:54 - 2025-07-29 21:44:54 2460886.40618 - 2460886.40618 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506036 2025-07-29 21:44:54 2460886.40618 18.2 0.05 ABMag L-GOTO GOTO-N_GOTO-1 360
r-ZTF P48_ZTF-Cam 2025-07-04 07:32:46 - 2025-08-01 06:45:11 2460860.8144213 - 2460888.7813773 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507478 2025-08-01 06:45:11 2460888.7813773 18.2055 0.0781262 ABMag r-ZTF P48_ZTF-Cam
507477 2025-07-04 07:32:46 2460860.8144213 20.6863 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-05 07:17:34 - 2025-08-05 07:17:34 2460892.8038657 - 2460892.8038657 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507479 2025-08-05 07:17:34 2460892.8038657 18.3683 0.077344 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-07-26 07:50:30 - 2025-07-26 07:50:30 2460882.82674 - 2460882.82674 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505905 2025-07-26 07:50:30 2460882.82674 18.559 0.089 19.71 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 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
265266 2025-08-08 23:31:19 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 16:34:38.269 +21:19:11.80 2025-08-01 07:24:17.856 18.06 w-P1 PSN PS25gam Pan-STARRS N
265059 2025-08-05 08:01:12 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:34:38.269 +21:19:11.79 2025-08-01 06:45:10.998 18.2055 r-ZTF PSN ZTF25abghdgt ZTF N
264280 2025-07-29 22:04:53 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 16:34:38.267 +21:19:12.01 2025-07-29 21:44:53.952 18.2 L-GOTO Other GOTO25fni GOTO N
264228 2025-07-29 12:35:10 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 16:34:38.274 +21:19:11.88 2025-07-26 07:50:30.336 18.559 orange-ATLAS PSN ATLAS25ikw ATLAS 2025TNSTR2966....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
21862 2025-08-26 11:52:06 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU), R. Michael Rich (UCLA) ZTF SN II 0.035476 1 ZTF Spectrum displays a H-alpha P-Cygni feature consistent with a SN II. Redshift of z = 0.035476 ± 0.000008 from SDSS DR13. 2025TNSCR3386....1W
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
21862 2025-08-19 06:00:42 Lick-3m / KAST R. Michael Rich, Jacob Wise Jacob Wise ZTF tns_2025sog_2025-08-19_06-00-41.86_Lick-3m_KAST_ZTF.txt Object

Comments

TNS
System

Fri, 08/08/2025 - 23:31

Object coordinates updated

Object coordinates updated according to AT-report 265266 of Group Pan-STARRS
Previous RA, DEC: 16:34:38.269, +21:19:11.79 (248.6594527, +21.3199403)
Updated RA, DEC: 16:34:38.269, +21:19:11.80 (248.659452645, +21.3199457867)

TNS
System

Tue, 08/05/2025 - 08:01

Object coordinates updated

Object coordinates updated according to AT-report 265059 of Group ZTF
Previous RA, DEC: 16:34:38.274, +21:19:11.88 (248.659473953, +21.319967907)
Updated RA, DEC: 16:34:38.269, +21:19:11.79 (248.6594527, +21.3199403)