Questions on the astronomical applications of Mathematica.

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7
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0answers
97 views

MoonPosition and TimeZone support

With this question, I noticed some some weird results of MoonPosition. Consider the following code: ...
7
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0answers
115 views

How to get star coordinates for a given time

In the documentation of StarData, there is an example that shows how to get the altitude of Sirius at a given time (in the horizontal coordinate system). However, ...
4
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0answers
28 views

Finding planetary conjunctions with Mathematica (project-level)

Summary: What's an efficient way of finding planetary conjuctions with Mathematica using the SPICE kernels, and without using AstronomicalData (which I believe is less efficient). NASA publishes ...
4
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0answers
69 views

Is there a problem with some of the curated Star Data?

I'm not really sure if I'm doing something wrong, or if there's a problem with some of the Mathematica curated data on stars. My problem is this: I'm trying to find the location (latitude and ...
4
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0answers
116 views

HEALPix grid on a sphere

Are there any Mathematica tools for using the HEALPix ( Hierarchical Equal Area isoLatitude Pixelation) grid on a sphere? It is commonly used in astronomy, but I have not found any Mathematica ...
2
votes
0answers
44 views

Inaccurate Heliocentric coordinates of PlanetaryMoonData

I have noticed that the heliocentric coordinates obtained with PlanetaryMoonData are very inaccurate. Fore example, consider the Galilean moons of Jupiter: ...
2
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0answers
119 views

Creating an orrery

I am interested in creating an orrery, ideally with SystemModeler. I have been experimenting with the MultiBody library since that allows you to do animations. The most relevant example seems to be ...
1
vote
0answers
38 views

PlanetData “VelocityAroundSun” giving inconsistent answers

My goal is to create a ListPlot showing the Earth's orbital speed over the course of a year, with one datapoint per day. I'm seeing problems long before I even get to the point of plotting the data! ...
0
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0answers
48 views

how to make one plot for each line of a table of 127 datas (127 plots) , or one plot with 127 curves onto it?

Good evening, I encounter a difficult problem. I have 127 lines of data, with for each line, 9 columns. I imported from a txt file : ...
0
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0answers
86 views

Plotting stellar spectrum from FITS file

I would like to make a plot of wavelength v. relative frequency from the stellar spectrum data in a FITS file (in order to fit a curve to one of the spectral lines). I used ...
0
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0answers
118 views

Correctly set up FindMinimum

I am trying to setup the following minimization to align two astronomical images. ...
0
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0answers
240 views

Earth to Mars Interplanetary Travel Escape Velocity

I'm trying to create a script that simulates interplanetary travel from Earth to Mars using a Hohmann transfer, but I'm having a few difficulties getting the correct escape velocity. I'm using an x-y ...