RA/DEC (2000)
04:04:37.779 -48:30:07.25
61.157411413372 -48.502013112739
Type
SLSN-I
Redshift
0.96
Discovery ReportClassification Report
Related AstroNotes: 2026-49, 2026-72
Reporting Group
SAGUARO
Discovering Data Source
None
Discovery Date
2026-02-25 01:39:57.000
TNS AT
Y
Public
Y
Discovery Mag
23.5886
Filter
g-LSST
Reporter/s
Manisha Shrestha, Griffin Hosseinzadeh, K. Azalee Bostroem, Noah Franz, David J. Sand, Charles D. Kilpatrick, Bhagya Subrayan, Conor Ransome, Sergiy Vasylyev, Jennifer E. Andrews, Wen-fai Fong, Kate D. Alexander
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026ejf - 2026-03-14 00:00:00 Gemini-S / GMOS-S (VHU-TDA)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

 ▌Rubin_LSSTCam_g
   
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
23225 2026-03-14 00:00:00 Gemini-S / GMOS-S Pablo Candia VHU-TDA tns_2026ejf_2026-03-14_Gemini-S_GMOS-S_VHU-TDA.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-LSST Rubin_LSSTCam 2025-12-10 06:56:32 - 2025-12-10 06:56:32 2461019.7892632 - 2461019.7892632 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
561396 2025-12-10 06:56:32 2461019.7892632 23.5886 0.207855 23.5886 ABMag g-LSST Rubin_LSSTCam
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
292868 2026-02-25 02:48:17 SAGUARO_Bot1 Manisha Shrestha, Griffin Hosseinzadeh, K. Azalee Bostroem et al. SAGUARO 04:04:37.779 -48:30:07.25 2026-02-25 01:39:57.000 23.5886 g-LSST PSN 313831458352922664 2026TNSTR.815....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23224 2026-03-16 13:03:05 Ashley Villar V. Ashley Villar (Harvard/CfA), Kyle W. Davis (UCSC), Yize Dong (Harvard), Ryan J. Foley (UCSC ) VHU-TDA SLSN-I 0.96 1 VHU-TDA Classified with NGSF; redshift approximate from SN. 2026TNSCR1125....1V
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
23225 2026-03-14 00:00:00 Gemini-S / GMOS-S Pablo Candia VHU-TDA tns_2026ejf_2026-03-14_Gemini-S_GMOS-S_VHU-TDA.txt Object

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