Paul Sutton

Spectra

Exoplanets Transit simulator

This was posted to Mastodon by Dr. Alexandre Santerne. Just had a go and it looks really nice and smooth, and has few options to change the simulation parameters.

Do you know how #astronomers are hunting for #exoplanets ? Most of them are discovered with the transit and/or radial velocity techniques.

We developed at #LAM (#laboratoire d'#astrophysique de #Marseille) a web tool that simulate an #exoplanet and show you their photometric and radial velocity signals. Feel free to play with the parameters and see how they change the signals.

Links

Tags

#Exoplanet,#Astronomy,#Astrophysics,#Marselle,#Simulator,#Transit, #Stars,#Star,#Exoplanet,#Spectra,#AbsorbtionSpectra,#EmissionSpectra

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Type II supernova

An explanation as to what a type II supernova is, can be found on wikipedia. This is fine for this article but please remember Wikipedia is NOT an academic source of information.

Another interesting fediverse from @AkaSci looking at the spectrum of type II supernova SN 2023ixf.

Spectrum data for Supernova SN 2023ixf in visible light wavelengths, captured yesterday, is shown below. The spectrum is rich in blue wavelengths; it has prominent peaks at wavelengths (shown as vertical lines) associated with emissions from Hydrogen. The peaks around 475 nm are associated with He, C and N.

Tags

#M101 #SN2023ixf #Supernova,#Spectra,#Elements

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