RA/DEC (2000)
21:34:36.934 -10:24:33.26
323.6538919 -10.4092389
Type
SLSN-II
Redshift
0.233
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-07 14:03:10.656
TNS AT
Y
Public
Y
Discovery Mag
19.275
Filter
cyan-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)

Spectra

 SN_2025kdz - 2025-06-19 10:07:40 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
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 LAST_LAST-Cam_Clear
 GOTO-N_GOTO-2_L
 ATLAS-STH_ATLAS-03_cyan
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_cyan
   
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
21385 2025-06-19 10:07:40 Lick-3m / KAST Erica Hammerstein, Ryan Chornock, Xinze Guo Ryan Chornock ZTF tns_2025kdz_2025-06-19_10-07-40_Lick-3m_KAST_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-07-17 21:46:40 - 2025-07-18 23:29:59 2460874.40741 - 2460875.47916 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505015 2025-07-18 23:29:59 2460875.47916 19.12 ABMag Clear- LAST_LAST-Cam 400
505014 2025-07-17 21:46:40 2460874.40741 20.07 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-05-16 04:56:42 - 2025-05-22 04:47:04 2460811.706043 - 2460817.699352 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491268 2025-05-22 04:47:04 2460817.699352 18.71 0.2 ABMag L-GOTO GOTO-N_GOTO-2 180
491267 2025-05-16 04:56:42 2460811.706043 18.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-05-06 03:25:56 - 2025-05-06 03:25:56 2460801.64301 - 2460801.64301 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487396 2025-05-06 03:25:56 2460801.64301 19.42 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-21 10:07:34 - 2025-05-21 10:07:34 2460816.9219213 - 2460816.9219213 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490096 2025-05-21 10:07:34 2460816.9219213 18.9625 0.107416 19.6893 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-05-15 11:04:03 - 2025-05-15 11:04:03 2460810.9611458 - 2460810.9611458 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490095 2025-05-15 11:04:03 2460810.9611458 19.14 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-05-07 14:03:11 - 2025-05-07 14:03:11 2460803.08554 - 2460803.08554 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487397 2025-05-07 14:03:11 2460803.08554 19.275 0.176 19.46 ABMag cyan-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
263762 2025-07-26 02:07:02 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 21:34:36.882 -10:24:32.90 2025-07-18 23:29:59.424 19.12 Clear- PSN LAST N
256610 2025-05-25 07:41:17 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 21:34:36.963 -10:24:33.30 2025-05-22 04:47:03.840 18.71 L-GOTO Other GOTO25dbe GOTO N
255952 2025-05-22 14:01:48 ALeRCE S. Jurado,F.E. Bauer,F. Forster et al. ALeRCE ZTF 21:34:36.934 -10:24:33.26 2025-05-21 10:07:34.000 18.9625 r-ZTF PSN ZTF25aaqvqvd ZTF SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aaqvqvd N
254559 2025-05-08 09:51:19 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:34:36.946 -10:24:32.96 2025-05-07 14:03:10.656 19.275 cyan-ATLAS PSN ATLAS25ewd ATLAS 2025TNSTR1706....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
21385 2025-06-23 21:08:19 ZTF_Bot1 R. Chornock, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SLSN-II 0.233 1 ZTF 2025TNSCR2370....1C
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
21385 2025-06-19 10:07:40 Lick-3m / KAST Erica Hammerstein, Ryan Chornock, Xinze Guo Ryan Chornock ZTF tns_2025kdz_2025-06-19_10-07-40_Lick-3m_KAST_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 255952 of Group ZTF
Previous RA, DEC: 21:34:36.946, -10:24:32.96 (323.653941667, -10.409155)
Updated RA, DEC: 21:34:36.934, -10:24:33.26 (323.6538919, -10.4092389)