NGC 5371 and supernova SN 2020bio: an image – 11 Apr. 2020

After more than two weeks, we imaged supernova SN 2020bio and its host galaxy NGC 5371 again, as part of our supernova follow-up program. We have found it fainter and we are pleased to share the image with you.

Supernova SN 2020bio in NGC 5371. 11 Apr. 2020

Supernova SN 2020bio in NGC 5371. 11 Apr. 2020

The image above comes from the average of four, 180-seconds exposures, unfiltered, remotely taken with “Elena” (PlaneWave 17″+Paramount ME+SBIG STL-6303E) robotic unit available at Virtual Telescope. SN 2020bio is indicated by an arrow in the upper left inset.

We performed photometry on the image, finding the transient as bright as mag. 17.9 (unfiltered, R-mags for the reference stars from the Gaia DR1 star catalogue), that is half a magnutude fainter than on 24 Mar. This transient was discovered on 29 Jan. 2020 by Koichi Itagaki (Japan) and it is a type II supernova.

Further observations ill follow, weather permitting.

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