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supernova SN 2023ixf in M101 !

Posted: Sat May 20, 2023 12:16 am
by Robin Leadbeater
A type II supernovae SN2023ixf has been discovered tonight in M101 at mag 14.9
https://www.wis-tns.org/object/2023ixf

Re: supernova SN 2023ixf in M101 !

Posted: Sat May 20, 2023 7:52 am
by Olivier GARDE
yes a very good target but the weather at home is really not good....

Re: supernova SN 2023ixf in M101 !

Posted: Sun May 21, 2023 11:20 am
by Robin Leadbeater
It is now mag 12 and still rising. No amateur spectra yet? I am surprised. (Only clouds for me since discovery)

Robin

Re: supernova SN 2023ixf in M101 !

Posted: Sun May 21, 2023 11:40 am
by Robin Leadbeater
Mike Harlow has posted an objective prism spectrum on his BAA page
https://britastro.org/observations/obse ... p?id=70986

Cheers
Robin

Re: supernova SN 2023ixf in M101 !

Posted: Sun May 21, 2023 8:28 pm
by E Soubrouillard
Hello Robin
nice target. Waiting for better weather condition.
Emmanuel

Re: supernova SN 2023ixf in M101 !

Posted: Mon May 22, 2023 11:37 am
by Robin Leadbeater
A low resolution (ALPY600) spectrum last night (poor conditions, high cloud, twilight
20230521_sn2023ixf_guider.png
20230521_sn2023ixf_guider.png (229.3 KiB) Viewed 223772 times
gives a good SNID match to SN 1998S (type IIn)
sn2023ixf_20230521_SNIDfit.png
sn2023ixf_20230521_SNIDfit.png (62.58 KiB) Viewed 223772 times
downloadable from the BAA database

https://britastro.org/specdb/data_graph ... s_id=13774

It could be bright enough now for high resolution spectroscopy from a good observing site

Cheers
Robin

Re: supernova SN 2023ixf in M101 !

Posted: Mon May 22, 2023 2:46 pm
by Olivier GARDE
Too many clouds for me in France..... :|

Re: supernova SN 2023ixf in M101 !

Posted: Sun May 28, 2023 1:51 pm
by Robin Leadbeater
An animation showing the evolution over the past week. (The temperature is dropping and the flash ionisation phase He lines have gone)
SN2023ixf_animation_20230521-0527.gif
SN2023ixf_animation_20230521-0527.gif (347.52 KiB) Viewed 223525 times
Cheers
Robin

Re: supernova SN 2023ixf in M101 !

Posted: Sun Jan 28, 2024 8:19 pm
by Robin Leadbeater
Catching up with some more animations (I am still following it but at lower resolution with the ALPY200 now it is ~mag 16.5)
SN2023ixf_animation_20230527-0613.gif
SN2023ixf_animation_20230527-0613.gif (544.03 KiB) Viewed 222410 times
SN2023ixf_animation_20230613-0720.gif
SN2023ixf_animation_20230613-0720.gif (235.29 KiB) Viewed 222410 times
This one is in both absolute and relative flux
interp_interpflux_combined.gif
interp_interpflux_combined.gif (387.91 KiB) Viewed 222410 times
Robin