Page 1 of 1

AT 2020nlb a possible Supernova in M85

PostPosted: Thu Jun 25, 2020 6:44 pm
by Robin Leadbeater
https://wis-tns.weizmann.ac.il/astronot ... e/2020-126

Caught very early (mag 17.4 last night) by ATLAS but if type Ia could perhaps reach ~mag 12 (eg SN 1960R B mag 11.7)

Cheers
Robin

Re: AT 2020nlb a possible Supernova in M85

PostPosted: Sat Jun 27, 2020 12:46 pm
by Robin Leadbeater
Now confirmed at type Ia. On the rise (currently ~mag 16 but could reach mag 12) Too low for me in a bright summer sky unfortunately

Robin

Re: AT 2020nlb a possible Supernova in M85

PostPosted: Sun Jun 28, 2020 12:07 pm
by etienne bertrand
Nice, thks for alerte Robin.

Re: AT 2020nlb a possible Supernova in M85

PostPosted: Tue Jun 30, 2020 12:57 pm
by Robin Leadbeater
Now mag 14 and still rising. 2 professional observatories have spectra now according to the TNS astronotes for this object but neither has been made public.

Robin

Re: AT 2020nlb a possible Supernova in M85

PostPosted: Sun Jul 19, 2020 10:31 am
by Robin Leadbeater
Finally just past maximum (Vmag 12.2) 3 weeks after discovery. Curiously, the classification spectrum submitted to TNS has still not been made public

SN2020NLB_AAVSO.png
SN2020NLB_AAVSO.png (19.96 KiB) Viewed 430 times