Supernova SN 2022hrs in NGC 4647 spiral galaxy: a image – 28 July 2022.

We observed the supernova SN 2022hrs in the NGC 4647 intermediate spiral galaxy, as part of our supernova follow-up program: here it is our image.

Supernova SN 2022hrs in NGC 4647 spiral galaxy: 28 July 2022.

Supernova SN 2022hrs in NGC 4647 spiral galaxy: 28 July 2022.

The image above comes from the average of six, 120-second exposures, unfiltered, remotely taken with the “Elena” (PlaneWave 17″+Paramount ME+SBIG STL-6303E) robotic unit available as part of the Virtual Telescope Project. The supernova is indicated by an arrow in the upper left inset. At the imaging time, the target was very low (less than 20 deg.) above the horizon.

The host galaxy is NGC 4647, a very beautiful intermediate spiral galaxy located at about 40 millions of light years. As for the supernova, we estimated SN 2022hrs as bright as mag. 15.5 (unfiltered, R-mags for the reference stars from the Gaia DR2 star catalogue). This transient was discovered on 16 April 2022 by Koichi Itagaki and it is a type Ia supernova. Just on the upper left, the bright Elliptical galaxy M 60 is also visible: the two galaxies for a pair known as Arp 116. Recent studies (2017) of Hubble images of the pair made in 2012 indicate that tidal interactions between the two have just begun.

We imaged this supernova several times the past months, going to process images soon.

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