RA/DEC (2000)
06:02:43.920 -20:45:06.00
90.683 -20.751667
Type
SLSN-I
Redshift
0.43
Discovery ReportClassification Report
Related AstroNotes: 2025-34
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2025-01-03 17:18:02.304
TNS AT
Y
Public
Y
Discovery Mag
19.34
Filter
Clear-
Reporter/s
Jianlin Xu, Mi Zhang, Guoyou Sun, Jiangao Ruan, Jingyuan Zhao, Wenjie Zhou, Yong Ma, Quanzhi Ye, Zhuoyang Chen (Xingming Obs.), Hanjie Tan (AUUK), Guangwei Wu (NAAA), Xing Gao, Ali Esamdin, Chunhai Bai, Yong Wang (XAO), on behalf of the KATS team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025al - 2025-02-01 05:43:19 MMT / BINOSPEC (FLEET)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
 ▌Other_Other_Clear
   
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
20379 2025-02-01 05:43:19 MMT / BINOSPEC Harsh Kumar Harsh Kumar FLEET tns_2025al_2025-02-01_05-43-19_MMT_BINOSPEC_FLEET.ascii Object The spectrum shows a good match to the SLSN-I Gaia16apd at a phase +27d with redshift ~0.43. At this redshift, the peak absolute magnitude is M_r~-22.3. Classification is based on the template match using Next Generation Superfit (NGSF, Goldwasser et al. 2022). Caution: the redshift is approximate as it is not estimated using host galaxy lines.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2024-10-27 09:27:22 - 2024-10-27 09:27:22 2460610.894 - 2460610.894 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
463915 2024-10-27 09:27:22 2460610.894 18.91 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2024-10-27 09:40:19 - 2024-10-27 09:40:19 2460610.903 - 2460610.903 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
463916 2024-10-27 09:40:19 2460610.903 20.04 0.27 ABMag g-ZTF P48_ZTF-Cam
Clear- Other_Other 2025-01-03 17:18:02 - 2025-01-03 17:18:02 2460679.22086 - 2460679.22086 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
460714 2025-01-03 17:18:02 2460679.22086 19.34 0.21 19.5 VegaMag Clear- Other_Other 60 Xing Gao
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
242011 2025-01-21 21:18:14 Ting-Wan Chen Ting-Wan Chen (NCU) on behalf of the ZTF SLSN group et al. ZTF ZTF 06:02:43.940 -20:45:06.07 2024-10-27 09:40:19.200 20.04 g-ZTF PSN ZTF24abscbpa ZTF N
240372 2025-01-04 00:46:28 Mi Zhang Jianlin Xu,Mi Zhang,Guoyou Sun et al. XOSS XOSS 06:02:43.920 -20:45:06.00 2025-01-03 17:18:02.304 19.34 Clear- PSN KATS25A003 XOSS SN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25a003.html 2025TNSTR..47....1X N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20379 2025-02-12 16:13:59 Harsh Kumar Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA), Edo Berger (Harvard CfA) FLEET SLSN-I 0.43 1 FLEET 2025TNSCR.592....1K
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
20379 2025-02-01 05:43:19 MMT / BINOSPEC Harsh Kumar Harsh Kumar FLEET tns_2025al_2025-02-01_05-43-19_MMT_BINOSPEC_FLEET.ascii Object The spectrum shows a good match to the SLSN-I Gaia16apd at a phase +27d with redshift ~0.43. At this redshift, the peak absolute magnitude is M_r~-22.3. Classification is based on the template match using Next Generation Superfit (NGSF, Goldwasser et al. 2022). Caution: the redshift is approximate as it is not estimated using host galaxy lines.

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