RA/DEC (2000)
09:59:46.167 -06:44:26.28
149.942363 -6.740633
Type
SN IIb
Redshift
0.016
Discovery ReportClassification Report
Reporting Group
SGLF
Discovering Data Source
ZTF
Discovery Date
2025-05-15 04:09:14.000
TNS AT
Y
Public
Y
Host Name
LEDA 1029331
Host Redshift
0.016235
Discovery Mag
18.628
Filter
g-ZTF
Reporter/s
I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, C. Jaén-Martín (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), Z. Delgado-González (ULL), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025kkv - 2025-05-26 04:24:24 P200 / NGPS (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-CHL_ATLAS-04_cyan
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_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
21212 2025-05-26 04:24:24 P200 / NGPS Yu-Jing Qin Yu-Jing Qin ZTF tns_2025kkv_2025-05-26_04-24-24_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-05-24 01:04:44 - 2025-05-24 01:04:44 2460819.54495 - 2460819.54495 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491319 2025-05-24 01:04:44 2460819.54495 19.27 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-04-28 23:40:58 - 2025-05-12 23:23:32 2460794.4867824 - 2460808.4746759 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490961 2025-05-12 23:23:32 2460808.4746759 18.54 0.09 20.31 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
490960 2025-04-28 23:40:58 2460794.4867824 21.18 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-11 05:33:58 - 2025-05-11 05:33:58 2460806.7319213 - 2460806.7319213 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488228 2025-05-11 05:33:58 2460806.7319213 18.265 ABMag r-ZTF P48_ZTF-Cam 30 ZTFbot [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-15 04:09:14 - 2025-05-15 04:09:14 2460810.6730787 - 2460810.6730787 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488229 2025-05-15 04:09:14 2460810.6730787 18.628 0.112 ABMag g-ZTF P48_ZTF-Cam 30 ZTFbot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-05-25 06:03:57 - 2025-05-25 06:03:57 2460820.75274 - 2460820.75274 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491320 2025-05-25 06:03:57 2460820.75274 18.704 0.14 19.33 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 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
256636 2025-05-25 12:16:35 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 09:59:46.150 -06:44:26.57 2025-05-25 06:03:56.736 18.704 cyan-ATLAS PSN ATLAS25fmo ATLAS N
256417 2025-05-24 15:03:08 BlackGEM_Bot1 P. Groot,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 09:59:46.149 -06:44:26.23 2025-05-12 23:23:32.000 18.54 BG-q-BlackGem 1 PSN BGEM J095946.14-064426.2 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025kkv_atrep_256417_BlackGEM.pdf Finding Chart 2025-05-24 15:03:11 BlackGEM_Bot1
255008 2025-05-15 08:30:40 Ismael Perez-Fournon I. Pérez-Fournon (IAC and ULL),D. Cano-Morales,I. Correa-Plasencia et al. SGLF ZTF 09:59:46.167 -06:44:26.28 2025-05-15 04:09:14.000 18.628 g-ZTF PSN LEDA 1029331 ZTF25aaqdxqj ZTF SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF25aaqdxqj/ https://alerce.online/object/ZTF25aaqdxqj 2025TNSTR1793....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21212 2025-06-02 20:29:17 ZTF_Bot1 K. Das, S. Covarrubias, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN IIb 0.016 1 Add ZTF 2025TNSCR2079....1D
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
21212 2025-05-26 04:24:24 P200 / NGPS Yu-Jing Qin Yu-Jing Qin ZTF tns_2025kkv_2025-05-26_04-24-24_P200_NGPS_ZTF.ascii Object

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