Spectroscopic classification of the transient ZTF22aafiwtv
ATel #15371; Monika Soraisam, Thomas Matheson, Abhijit Saha (NOIRLab), Chien-Hsiu Lee (Keck Observatory), Gautham Narayan (UIUC), Thomas G. Brink, Kishore C. Patra, WeiKang Zheng, Alexei V. Filippenko (UC Berkeley), Stephanie Figuereo, Kevin McKinnon, Rafael Nunez, Puragra Guhathakurta (UCSC), R. Michael Rich (UCLA), Jon Rees (Lick Observatory)
on 8 May 2022; 22:09 UT
Credential Certification: Monika Soraisam (monika.soraisam@noirlab.edu)
Subjects: Optical, Supernovae, Transient
We report the spectroscopic classification of ZTF22aafiwtv, flagged by a custom filter on the ANTARES alert-broker (https://antares.noirlab.edu/) as a promising stellar explosive event from the public alert stream of the ZTF survey. This transient is located at low Galactic latitude, b = -4.0527. A Gaia source exists at a separation of 0.97".
Two optical spectra of ZTF22aafiwtv were obtained on 2022 April 26 UT with the Kast double spectrograph on the Shane 3 m telescope at Lick Observatory and on 2022 April 29 UT with LRIS on the Keck I telescope, revealing it to be an SN Ia.
Name | RA (J2000) | Dec (J2000) | z | Type | Phase | Notes
ZTF22aafiwtv |18:56:56.36 | -06:13:27.17 | 0.019 | Ia | +9 d | (1)
Note: (1) Classification was performed with SNID (Blondin and Tonry 2007). The light curve of the source can be accessed at https://antares.noirlab.edu/loci/ANT2022gcv8fgmu36if.
