RA/DEC (2000)
11:56:09.417 +60:31:26.74
179.0392364 +60.5240939
Type
SN II
Redshift
0.03296
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-02 08:37:05.376
TNS AT
Y
Public
Y
Discovery Mag
18.566
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 (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_2025ddb - 2025-03-10 04:22:07 P60 / SEDM (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

 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-HKO_ATLAS-02_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
20564 2025-03-10 04:22:07 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ddb_2025-03-10_04-22-07.318113_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-02-24 09:15:16 - 2025-02-24 09:15:16 2460730.8856019 - 2460730.8856019 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473473 2025-02-24 09:15:16 2460730.8856019 20.3937 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-02-24 10:46:20 - 2025-03-05 10:10:41 2460730.9488426 - 2460739.9240856 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473475 2025-03-05 10:10:41 2460739.9240856 19.1689 0.107395 ABMag g-ZTF P48_ZTF-Cam
473474 2025-02-24 10:46:20 2460730.9488426 19.3601 0.151957 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-03-01 13:13:52 - 2025-03-02 08:37:05 2460736.0513 - 2460736.85909 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473105 2025-03-02 08:37:05 2460736.85909 18.566 0.136 19.37 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
473104 2025-03-01 13:13:52 2460736.0513 19.57 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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 Bibcode Unreal Auto classification
246740 2025-03-05 10:35:01 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 11:56:09.417 +60:31:26.74 2025-02-24 10:46:20.000 19.3601 g-ZTF PSN ZTF25aairels ZTF N
246505 2025-03-02 17:26:42 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 11:56:09.461 +60:31:26.90 2025-03-02 08:37:05.376 18.566 orange-ATLAS PSN ATLAS25chs ATLAS 2025TNSTR.858....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
20564 2025-03-12 11:45:12 ZTF_Bot1 J. Sollerman, K. Das, S. Covarrubias, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN II 0.03296 1 ZTF 2025TNSCR.970....1S
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
20564 2025-03-10 04:22:07 P60 / SEDM 2700 SEDmRobot ZTF tns_2025ddb_2025-03-10_04-22-07.318113_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 246740 of Group ZTF
Previous RA, DEC: 11:56:09.461, +60:31:26.90 (179.039421667, +60.52414)
Updated RA, DEC: 11:56:09.417, +60:31:26.74 (179.0392364, 60.5240939)