# Tag Info

6

I would recommend MPA Garching's Gadget code for cosmological simulations of structure formation. It's primarily gravitational, but I do believe you can include gas effects as well: GADGET computes gravitational forces with a hierarchical tree algorithm (optionally in combination with a particle-mesh scheme for long-range gravitational forces) and ...

4

Python is gaining popularity and replacing MATLAB in many fields of science as the tool for fast prototyping and writing research code. Have a look at http://www.astropy.org/ http://www.astropython.org/ https://python4astronomers.github.io/ http://www.astroml.org/ http://asteca.github.io/ for example. (I'm not working in astronomy as a researcher but ...

3

I'm going to describe the steps that I followed to show 2004 BL86 in Stellarium in my notebook: Open the Configuration Window by pressing F2 Select the Plugins tab and from the left list select Solar System Editor Click in the configure button at the bottom Go to Solar System tab in the opened window Click the button Import orbital elements in MPC ...

2

Ok go on Stellarium then hover over the left side of the screen afterwards click on the location and select London, England (City Of London is the original walled city), then go and hover over the left side of the screen and select sky and viewing options and in the sky section and select the air pollution level from location database then it will ...

2

Aladin is a good way to do visualization from multiple catalogs. MAST also offers a cross-mission search.

2

Perhaps you are looking for the backup function File -> Backup... and to restore the settings File->Restore...

2

Horizons Ephemeris generator can give you a planet's position and velocity vectors at a specified time. This is one set of possible options: Clicking Generate Ephemeris on that page will give you position and velocity vectors: Above the position and velocity vectors are the Julian date as well as the more conventional date. Wikipedia can give the ...

2

For computer software, the easiest way to take a sphere (and/or hemisphere) and flatten it into a flat shape (usually a rectangle) is the equi-rectangular projection (also known as the plate carrée), because it has the simplest formula relating pixels and coordinates: $x = w*\lambda/360 + w/2$ $y = -h*\phi/180 + h/2$ x and y is the pixel point w and h ...

2

As an observational astronomer, most of your programming will be to perform data analysis, data exploration, and possibly image manipulation. Previously much of this was done with IDL, and the analysis pipelines for several/many/all(?) telescopes still rely on IDL. As GreenMatt points out though, IDL is on its way out. Since you have to buy a license to ...

1

While I'm not doing so now, for a significant part of my career I worked as a programmer supporting scientists in in some fields that the general public would consider branches of astronomy. In that time I worked with (chronologically ordered in the sequence in which I first worked with them): Fortran - still useful because of its speed and existing code ...

1

What language are you writing this simulation in? Is it 2D or 3D? Do you only need positions and velocities for our solar system planets? I've done this exact thing (simulated the solar system in Fortran) and I didn't need exact initial positions, all I needed were initial radii (in AU from the Sun/centre of mass) and initial velocities. Use a random number ...

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