RA/DEC (2000)
22:30:36.777 -00:06:36.54
337.6532356 -0.1101491
Type
Impostor-SN
Redshift
0.0053
Discovery ReportClassification Report
Related AstroNotes: 2026-217
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-06-10 11:06:16.001
TNS AT
Y
Public
Y
Discovery Mag
20.0846
Filter
i-ZTF
Reporter/s
K-Ryan Hinds (Caltech), Christoffer Fremling (Caltech), Mansi Kasliwal (Caltech), Theophile du Laz (Caltech), Thomas Culino (Caltech), Joahan Castaneda Jaimes (CIT, IPAC), Michael Coughlin (UMN), Antoine Le Calloch (UMN) , Pete Bachant (Caltech) on behalf of Z+LIONS
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2026srw - 2026-07-10 10:49:14 P200 / NGPS (YSE)z=
 ▌AT_2026srw - 2026-06-30 06:20:01 Gemini-S / GMOS-S (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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_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
24274 2026-07-10 10:49:14 P200 / NGPS K-Ryan Hinds YSE tns_2026srw_2026-07-10_10-49-14_P200_NGPS_YSE.cat Object
24273 2026-06-30 06:20:01 Gemini-S / GMOS-S Gemini YSE tns_2026srw_2026-06-30_06-20-01_Gemini-S_GMOS-S_YSE.cat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-ZTF P48_ZTF-Cam 2026-06-10 11:06:16 - 2026-06-10 11:06:16 2461201.9626852 - 2461201.9626852 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
600390 2026-06-10 11:06:16 2461201.9626852 20.0846 0.196849 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2026-07-08 11:10:54 - 2026-07-08 11:10:54 2461229.9659028 - 2461229.9659028 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
600391 2026-07-08 11:10:54 2461229.9659028 20.0846 0.176394 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-06-10 10:15:10 - 2026-06-10 10:15:10 2461201.9271991 - 2461201.9271991 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
600389 2026-06-10 10:15:10 2461201.9271991 20.1033 ABMag g-ZTF P48_ZTF-Cam [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
313459 2026-07-08 21:55:50 ZTF_LIONS K-Ryan Hinds (Caltech), Christoffer Fremling (Caltech), Mansi Kasliwal (Caltech) et al. ZTF ZTF 22:30:36.777 -00:06:36.54 2026-06-10 11:06:16.001 20.0846 i-ZTF PSN ZTF26abctnjz ZTF 2026TNSTR2841....1H N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24267 2026-07-14 19:07:08 Wynn Jacobson-Galan Wynn Jacobson-Galan YSE Impostor-SN 0.0053 2 YSE Low luminosity transient detected in ZTF and LSST streams. Most emission lines are consistent with SDSS host galaxy spectrum.
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
24274 2026-07-10 10:49:14 P200 / NGPS K-Ryan Hinds YSE tns_2026srw_2026-07-10_10-49-14_P200_NGPS_YSE.cat Object
24273 2026-06-30 06:20:01 Gemini-S / GMOS-S Gemini YSE tns_2026srw_2026-06-30_06-20-01_Gemini-S_GMOS-S_YSE.cat Object

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