Nikola Vitas

Monday, 3 October 2022

Robert Jelle Rutten (1942 - 2022)

So long, my teacher and friend. You will be hugely missed.

Posted by Nikola Vitas at 05:01

Labels: astronomy, chromosphere, DOT, radiative transfer, solar atmosphere, stellar atmospheres, sun, teaching, utrecht

Location: Santa Cruz de Tenerife, Spain

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GitHub

In October 2017 all my IDL routines are moved from DropBox to GitHub repository:
https://github.com/nikolavitas

About Me

Nikola Vitas: I am a astrophysicist at Instituto de Astrofisica de Canarias (Tenerife, Spain). My main research interest is the physics of cool atmospheres (the Sun, cool stars, brown dwarfs and substellar objects, planets and the Earth)

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Contact

nikola.vitas.iac@gmail.com

(Please DO NOT use my iac.es address as the emails send to it often get lost.)

Pages

IDL library
Links
Old course materials in Serbo-Croatian
Books on my desk

Blog Archive

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Labels

abundances astronomy atomic physics cartoons chromosphere data data mining DOT EOS hermite IAC IDL integration interpolation Kubuntu lambda operator LaTeX links linux MacBook magnetic fields MANCHA MHD MURaM numerics observatory one-dimensional models opacities papers partial ionization phd philosophy radiative transfer science+art science+history science+politics smoothing solar atmosphere space spectropolarimetry spinoza splines statistics stellar atmospheres sun talks teaching telescope terskol thermodynamics thesis tips tools Ubuntu utrecht vtt Zeeman

My Blog List

Bad Astronomy

How Fruit Became the Cover for Organized Crime All Over the World - Fruit and crime: What the Mafia has to do with Italy’s lemon crop, how Mexican cartels control avocados, and more.
20 hours ago
Robin's Blog

The Feynman approach to small monetary compensation - I just shared this approach with some friends, and thought I’d blog it here too. When I get a relatively small amount of monetary compensation for somethin...
3 weeks ago
Math ∩ Programming

The last few months in HEIR - In my little corner of the FHE world, things have been steadily heating up. For those who don’t know, my main work project right now is HEIR (Homomorphic E...
5 weeks ago
michaelgalloy.com

IDL 9.1 released - The post IDL 9.1 released appeared first on michaelgalloy.com.
2 months ago
AstroBetter

The Rumor Mill for 2024-2025 is ready to go! - The Rumor Mill ready for the new season is now up and running: Postdoc and Term and Faculty and Staff. The archives from previous years remain available. A...
3 months ago
GaussianWaves

Error Vector Magnitude (EVM) and Its Applications - Error Vector Magnitude (EVM) is a key performance metric in communication systems, particularly in digital modulation schemes. It quantifies the differen...
4 months ago
Strolls with my Dog

What is Resolution? - In photography the term Resolution refers to the ability of an imaging system to capture fine detail from the scene, making it a key determinant of Image Q...
7 months ago
Doctor Fortran

Fortran 2023 has been Published! - ISO published the latest revision of the Fortran standard, Fortran 2023, on November 17. We’ve been working on this for five years, and it brings many ne...
1 year ago
Science Books

Colossus in the Colosseum - JF Ptak Science Books Quick Post Here's an interesting combination of sweat and electricity--an enormous electrical device that was on display in an exhibi...
1 year ago
Variable Variability

One more reason I dislike linking climate change and extinction - Life is full of suffering. Especially in its final stage. Sorry to bother you with this truism we spend so much effort keeping away. But visiting a hospi...
2 years ago
Animals and Emotions

How to know if your dog has dementia: the seven most common signs and symptoms - I felt devastated when our lovely family dog, Thierry, couldn’t keep up with us anymore when he was about 12 years old. He would pace around the house ai...
2 years ago
Insights of a PhD student

Extract data from a PNG/TIFF - Sometimes it’s useful to be able to extract data from a published figure. If the figure isn’t a vector based format (for which the numeric data is probably...
6 years ago
AstroAtom

Special Session EWASS 2018: Atomic and molecular data needs for astronomy and astrophysics - The aim of this session is to encourage further dialogue and promote knowledge transfer between astronomers with strong atomic and molecular data needs and...
7 years ago
Bad Science

How do the world’s biggest drug companies compare, in their transparency commitments? - Here’s a paper, and associated website, that we launch today: we have assessed, and then ranked, all the biggest drug companies in the world, to compare th...
7 years ago
Space blog

Sir Martin's Royal Aeronautical Society Annual Dinner speech - Read Sir Martin Sweeting's views on the first 4 decades of the space era and the role that it plays in our everyday lives.
7 years ago
The Way the Future Blogs

Betty’s Advice to the Lovelorn - By Elizabeth Anne Hull Nearly a year before Fred died, I wrote to a young friend who had recently become engaged in a same-sex relationship. It was in re...
8 years ago
Climate Code Foundation

How to run ccc-gistemp with ISTI - Thanks to Piotr Djaków for prompting me to write this post. ISTI is the International Surface Temperature Initiative, previously I’ve written about using c...
9 years ago
Space Politics

A new chapter - I wanted to pass along some personal news: I’ve taken a position starting today with SpaceNews, as a senior writer there. I’ll be writing there on a lot ...
10 years ago
Built on Facts

Is Bitcoin Currently Experiencing a Selfish Miner Attack? - Is Bitcoin Currently Experiencing a Selfish Miner Attack? Probably not. All right, now that you know my conclusion, let's see how to get there with data....
10 years ago
Caltech Astrostats

MCMC lecture - http://videolectures.net/mlss09uk_murray_mcmc/
12 years ago
The Eternal Universe

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Living Reviews in Solar Physics - Blog

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Ever tried. Ever failed. No matter.
Try again. Fail again. Fail better.
Samuel Beckett, Worstward Ho (1983)

Background image

The picture in the background shows the continuum image computed from a snapshot of magnetoconvection simulation with unipolar magnetic field. The mean intensity is about 200 G typical for a plage region. The simulation is performed using the MURaM code (Vögler, 2003). More details are available in my paper on the activity sensitivity of the MnI 5394.7 A line in the solar spectrum (Vitas et al, 2009).

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