AstroNote 2024-243

Following the discovery of AT 2024uaq (ZTF24abefmrx) by Pérez-Fournon et al. (TNS Report No. 223940) using the Zwicky Transient Facility (ZTF) public alerts processed by the Lasair, ALeRCE, and ANTARES LSST/ZTF brokers and the report by Srinivasaragavan et al. (TNS AstroNote 2024-242)  showing that AT 2024uaq is a fast rising and fading transient, we have used the ATLAS forced photometry server (Shingles et al., TNS AstroNote 2021-7) to search for ATLAS detections. The transient is clearly detected in four individual observations in the ATLAS orange filter from MJD = 60553.4014 to MJD = 60553.4267 at magnitudes from 19.202 to 19.484. The ATLAS forced-photometry measurements on the following nights have low signal-to-noise ratios with positive fluxes (see the attached light curve figures: 1) original photometry and 2) stacked in bins of 1 day).

Despite its low galactic latitude (galactic coordinates 91.111973 deg, -6.968409 deg), the transient was reported to TNS by Pérez-Fournon et al. (TNS Report No. 223940) as a supernova candidate based on the clear ZTF detections (two in each of the g- and r-bands) on the night of 31 August 2024 and significant ZTF forced-photometry detections in the g- and r-bands on the night of 30 August 2024 (see the light curve at the LSST/ZTF brokers, e.g, the ALeRCE one). They noticed also the faint likely host galaxy detected in Pan-STARRS1 imaging discussed in Srinivasaragavan et al. (TNS AstroNote 2024-242).

We encourage further follow-up observations.