Observations of the #supernova #SN2023ixf "were the earliest-ever measurements of polarized light from a supernova, showing more clearly the evolving shape of a stellar explosion".

https://news.berkeley.edu/2023/08/29/releases-20230828-6895045

#Astronomy

Looked at the #SN2023ixf
AAVSO light curve for the first time in a while today since it’s been cloudy here lately. Looks like the linear decrease phase ended about two weeks ago after ~70 days since maximum light. Starting to plateau now at ~82 days, expected for a type IIL event

#astronomy #supernova

Some papers about #SN2023ixf in Messier 101: https://arxiv.org/abs/2306.0616 = 2 Constraints on pre-SN outbursts from the progenitor of SN 2023ixf using the Large Binocular Telescope, https://arxiv.org/abs/2306.04721 = SN 2023ixf in Messier 101: Photo-ionization of Dense, Close-in Circumstellar Material in a Nearby Type II Supernova, and https://arxiv.org/abs/2306.04722 = SN2023ixf in Messier 101: A Variable Red Supergiant as the Progenitor Candidate to a Type II Supernova

Gemini North, part of the International #Gemini Observatory operated by NSF’s #NOIRLab, is back observing the night sky following the repair and refurbishment of its primary mirror after an accident: https://noirlab.edu/public/news/noirlab2315/ - the telescope’s debut observation captured the supernova dubbed #SN2023ixf.

Hers is some data on the gradual change in brightness of a few past supernovae.

Luminosity of a Type II SN rises for 1-3 weeks and then declines over months.
Type II-L SNe have a steady decline rate, while Type II-P supernova exhibit an intermediate plateau period with a reduced decline rate.
The average decay rate of 0.008 mag per day is much lower than that of Type Ia SNe.

https://arxiv.org/abs/0904.0119
https://en.wikipedia.org/wiki/Type_II_supernova
#SN2023ixf #Supernova #M101
2/n

18 days after it exploded, supernova SN2023ixf in the Pinwheel Galaxy (M101) seems to be dimming a bit, as all type II SNe do, although the dimming is gradual and takes place over a period of several months.
See this thread https://fosstodon.org/@AkaSci/110402301121258093 for more info on SN2023ixf.
https://www.virtualtelescope.eu/2023/06/07/supernova-sn-2023ixf-in-the-messier-101-spiral-galaxy-a-image-6-june-2023/
https://www.aavso.org/LCGv2/index.htm?DateFormat=Calendar&RequestedBands=&view=api.delim&ident=SN%202023ixf&delimiter=@@@
#SN2023ixf #Supernova #M101
1/n

Real-Time #Technosignature Strategies with #SN2023ixf: https://arxiv.org/abs/2306.03118 -> "Several technosignature techniques focus on historic events such as SN 1987A as the basis to search for coordinated signal broadcasts from extraterrestrial agents. The recently discovered SN 2023ixf in the spiral galaxy M101 is the nearest Type II supernova in over a decade, and will serve as an important benchmark event. [...] We are commencing a radio technosignature monitoring campaign". #SETI

Ein DWD-Mitarbeiter nutzte die klaren Nächte in sehr trockener Luft, um die #Supernova #SN2023ixf in der Galaxie M101 zu fotografieren (21. Mio. Lichtjahre Entfernung).

M101 Pinwheel Galaxy and the newly discovered supernova SN2023ixf from the Bootleg Astronomy 2023 Spring Star Party. Comparing with my 2022 photo, you can see the supernova just wasn't there yet. Who says reshooting targets isn't worth it? More image details on Telescopius or Astrobin. Thanks for looking and Clear Skies!

TS APO 90/600
ZWO 533MC Pro
EQ6-R Pro
Baader M&S
118 x 120sec

#astrophotography #astronomy #space #astrodon #stars #m101 #sn2023ixf #galaxy #nightsky

Encore la #supernova #Sn2023ixf dans #M101 depuis le #Tjms planete sciences
mais cette fois ci en #spectro ET #photométrie #Rapas le 27/05
G     10.85 +/-0.06
#astronomie #astronomy #astrophographie #astrophotographie #Astrodon

Clear skies at last, after 3 months of clouds… This is the pinwheel galaxy (M101) with the supernova SN2023ixf (marked with small red lines) that has appeared on May 19. This picture was taken during 2 consecutive nights (May 27 and 28) with a small refractor (400mm focal length). Total integration time was 4h50. Image processed with Pixinsight.

#astrophotography #astronomy #supernova #M101 #SN2023ixf

#Supernova #SN2023ixf en la Galaxia del Molinete de la Osa Mayor.
27 de Mayo de 2023
#astronomy #astrophotography

Confirmed that I really saw the supernova #sn2023ixf in the Pinwheel Galaxy M101 with 8” #Dob Instead of SkySafari, this time I used a 2 min unstretched image from CloudyNights. Marked all relevant star patterns around the galaxy, and confirmed these patterns in the eyepiece. From the triangle of 10th mag stars towards the galaxy, found two stars, 12th mag and 11th mag. They form a nice triangle with the supernova. Its brightness is comparable to the 11th mag star! #Astrodon #astronomy

My video on SN2023ixf can be found here: https://www.youtube.com/watch?v=1MrPU5dVDQo

91 second video about the supernova, my gear, and image.

#Astronomy #astrophotography #astrodon #space #YouTube #supernova #SN2023ixf

In der vergangenen Nacht habe ich erneut eine Aufnahme der Feuerrad-Galaxie #M101 gemacht, da ich feststellen wollte, ob man im Vergleich zu meiner Aufnahme von vor 7 Tagen vielleicht eine Veränderung der #Supernova #SN2023ixf sehen kann. Ergebnis: Der Unterschied ist gewaltig! Die Supernova ist wesentlich heller/größer geworden.
Dieses Video zeigt das Bild vom 27. Mai (heute), wobei die Supernova abwechselnd mit dem Bild vom 20. Mai überlagert wird.

#Astrophotography #Astrofotografie #dwarfii

Here's a quick blink of the supernova between Mar and May 2023. Same gear, similar integration.

Watch the very short video I made about the supernova, my gear, and my two images here: https://www.youtube.com/watch?v=1MrPU5dVDQo

#astronomy #astrophotography #Supernova #SN2023ixf #M101 #Space #astrodon

I finally managed to process my own image of the #SN2023ixf supernova in #M101.
Crazy to think this event actually happend some 21 million years ago, but we can still observe it changing brightness in mere days.

#supernova #astrophotography #astrodon #space

Finally had time to image and process #SN2023ixf. This is my second Supernova capture this year!

These are both around 90 min integrations. Will make a quick video about this but won't be able to capture further images sadly.

#astronomy #astrophotography #space #Supernova #M101 #astrodon

Anfängerglück! 😊 In der Nacht vom 19. auf 20. Mai habe ich eine Aufnahme der Feuerrad-Galaxie #M101 gemacht. Und heute stelle ich sehr erfreut fest, dass darauf als kleiner Punkt auch die #Supernova #SN2023ixf zu sehen ist, die erst am 19. Mai entdeckt wurde und über die derzeit in der Presse berichtet wird. Ich habe die Supernova mit einem kleinen Pfeil in der Bildmitte markiert.

#astrophotography #astrofotografie #dwarfii

M101 a month ago vs. 23.05.2023
#M101
#supernova
#sn2023ixf
#astrophotography