RA/DEC (2000)
12:20:10.542 +07:47:55.89
185.043925 +7.798859
Type
SN I
Redshift
Related AstroNotes: 2026-68
Reporting Group
SGLF
Discovering Data Source
Rubin
Discovery Date
2026-02-19 05:57:46.000
TNS AT
Y
Public
Y
Host Name
SDSS J122010.42+074755.7
Discovery Mag
21.59
Filter
i-LSST
Reporter/s
I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, E. Lekaroz-Urriza, M. Quintana-Ansaldo (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF

Spectra

 SN_2026fgq - 2026-03-08 13:17:15 Keck2 / DEIMOS (ZTF)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 Rubin_LSSTCam_i
   
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
23187 2026-03-08 13:17:15 Keck2 / DEIMOS Wynn Jacobson-Galan ZTF tns_2026fgq_2026-03-08_13-17-14.62_Keck2_DEIMOS_ZTF.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-LSST Rubin_LSSTCam 2026-02-19 00:00:00 - 2026-02-19 05:57:46 2461090.5 - 2461090.7484491 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
563904 2026-02-19 05:57:46 2461090.7484491 21.59 0.04 ABMag i-LSST Rubin_LSSTCam 30 Rubin
564313 2026-02-19 05:57:09 2461090.7480208 21.59 0.04 ABMag i-Sloan Rubin_LSSTCam https://babamul.caltech.edu/objects/LSST/170028526579744791
564312 2026-02-19 00:00:00 2461090.5 22 ABMag i-Sloan Rubin_LSSTCam [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
294311 2026-03-12 16:31:12 Wynn Jacobson-Galan Wynn Jacobson-Galán ZTF Rubin 12:20:10.542 +07:47:55.89 2026-02-19 05:57:09.000 21.59 i-Sloan PSN Rubin N
294141 2026-03-11 01:01:59 Ismael Perez-Fournon I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia et al. SGLF Rubin 12:20:10.544 +07:47:55.90 2026-02-19 05:57:46.000 21.59 i-LSST PSN SDSS J122010.42+074755.7 LSST-AP-DO-170028526579744791 Rubin Rubin SN candidate discovered using the public LSST alerts, the LSST brokers, and our SGLF filters. LSST light curve available at the LSST brokers, e.g.: https://lasair.lsst.ac.uk/objects/170028526579744791/ 2026TNSTR1017....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
23186 2026-03-12 18:14:52 Wynn Jacobson-Galan Wynn Jacobson-Galan ZTF SN I 1 ZTF 2026TNSCR1048....1J
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
23187 2026-03-08 13:17:15 Keck2 / DEIMOS Wynn Jacobson-Galan ZTF tns_2026fgq_2026-03-08_13-17-14.62_Keck2_DEIMOS_ZTF.flm Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 294311 of Group Rubin
Previous RA, DEC: 12:20:10.544, +07:47:55.90 (185.043933, +7.798861)
Updated RA, DEC: 12:20:10.542, +07:47:55.89 (185.043925, +7.798859)