RA/DEC (2000)
17:00:15.833 +36:13:35.34
255.0659708 +36.2264839
Type
SN Ia
Redshift
0.05
Discovery ReportClassification Report
Related AstroNotes: 2025-72
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-02-15 13:30:16.001
TNS AT
Y
Public
Y
Discovery Mag
18.6884
Filter
g-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025bzk - 2025-02-28 09:44:04 P60 / SEDM (ZTF)z=
 ▌SN_2025bzk - 2025-02-26 12:16:57 FLWO-1.5m / FAST (YSE)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

 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌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
20497 2025-02-28 09:44:04 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025bzk_2025-02-28_09-44-03.836405_P60_SEDM_ZTF.ascii Object
20505 2025-02-26 12:16:57 FLWO-1.5m / FAST G Esquerdo S. Karthik Yadavalli, Jessica Mink YSE tns_2025bzk_2025-02-26_12-16-57_FLWO-1.5m_FAST_YSE.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-02-14 04:04:38 - 2025-02-14 04:04:38 2460720.669886 - 2460720.669886 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470341 2025-02-14 04:04:38 2460720.669886 18.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-02-21 03:37:13 - 2025-02-21 03:37:13 2460727.65084 - 2460727.65084 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470342 2025-02-21 03:37:13 2460727.65084 18.04 0.08 ABMag L-GOTO GOTO-N_GOTO-1 180
g-ZTF P48_ZTF-Cam 2025-02-11 10:56:32 - 2025-02-27 09:43:49 2460717.9559259 - 2460733.9054282 8
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
472282 2025-02-27 09:43:49 2460733.9054282 17.5408 0.0853475 ABMag g-ZTF P48_ZTF-Cam
469697 2025-02-19 10:52:14 2460725.9529398 17.9761 0.0847659 ABMag g-ZTF P48_ZTF-Cam
469696 2025-02-15 13:30:16 2460722.0626852 18.6884 0.166783 ABMag g-ZTF P48_ZTF-Cam
471924 2025-02-15 13:30:16 2460722.0626852 18.6884 0.166783 19.0219 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
472281 2025-02-15 13:30:16 2460722.0626852 18.6884 0.166783 ABMag g-ZTF P48_ZTF-Cam
469695 2025-02-11 10:56:32 2460717.9559259 18.6474 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
471923 2025-02-11 10:56:32 2460717.9559259 18.6474 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
472280 2025-02-11 10:56:32 2460717.9559259 18.6474 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-02-15 13:44:37 - 2025-02-16 15:04:16 2460722.07265 - 2460723.12796 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470336 2025-02-16 15:04:16 2460723.12796 18.48 0.138 19.14 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
470335 2025-02-15 13:44:37 2460722.07265 18.86 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 ADS Bibcode Unreal Auto classification
246143 2025-02-27 10:02:04 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 17:00:15.833 +36:13:35.34 2025-02-15 13:30:16.001 18.6884 g-ZTF PSN ZTF25aahxijy ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
245988 2025-02-25 19:27:53 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 17:00:15.882 +36:13:34.99 2025-02-15 13:30:16.001 18.6884 g-ZTF PSN ZTF18aawiilg ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF18aawiilg N
245279 2025-02-21 11:49:42 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 17:00:15.864 +36:13:35.26 2025-02-21 03:37:12.576 18.04 L-GOTO Other GOTO25aob GOTO N
245276 2025-02-21 10:33:33 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 17:00:15.870 +36:13:35.08 2025-02-16 15:04:15.744 18.48 orange-ATLAS PSN ATLAS25bvd ATLAS N
245005 2025-02-19 11:08:56 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 17:00:15.872 +36:13:35.00 2025-02-15 13:30:16.001 18.6884 g-ZTF PSN ZTF18aawiilg ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR.680....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20505 2025-02-28 19:37:16 Srisurya Yadavalli Srisurya Yadavalli YSE SN Ia 0.05 1 Add YSE 2025TNSCR.840....1Y
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
20505 2025-02-26 12:16:57 FLWO-1.5m / FAST G Esquerdo S. Karthik Yadavalli, Jessica Mink YSE tns_2025bzk_2025-02-26_12-16-57_FLWO-1.5m_FAST_YSE.txt Object
20497 2025-02-28 16:30:31 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.055 1 Add ZTF 2025TNSCR.841....1F
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
20497 2025-02-28 09:44:04 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025bzk_2025-02-28_09-44-03.836405_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 02/27/2025 - 10:02

Object coordinates updated

Object coordinates updated according to AT-report 246143 of Group ZTF
Previous RA, DEC: 17:00:15.882, +36:13:34.99 (255.06617536154, +36.226385769231)
Updated RA, DEC: 17:00:15.833, +36:13:35.34 (255.0659708, 36.2264839)

TNS
System

Tue, 02/25/2025 - 19:27

Object coordinates updated

Object coordinates updated according to AT-report 245988 of Group ZTF
Previous RA, DEC: 17:00:15.872, +36:13:35.00 (255.0661339, +36.2263878)
Updated RA, DEC: 17:00:15.882, +36:13:34.99 (255.06617536154, 36.226385769231)