Planets within 10 Parsecs

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Planets within 10 Parsecs

Post by youknowandy on 3rd December 2008, 3:39 am

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Re: Planets within 10 Parsecs

Post by youknowandy on 3rd December 2008, 3:44 am

here's a grid i made of all the planets closer than 10 parsec (arranged by distance from star on bottom in AU (in a logarithmic scale) and distance from sun in light years as the y axis. circle size gives you a comparison on how massive these planets are, but they're not to scale. little dots are habitability zones or asteroid/kuiper belt positions. i mocked it up with comments for each planet.

unfortunately, the pic was too long and you can't see stuff on the far right, like Fomalhaut b or Neptune.

anyways, i hope it's entertaining to some degree
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Re: Planets within 10 Parsecs

Post by Edasich on 3rd December 2008, 5:01 am

Got the link with full-view resolution? It seems a nice work
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Re: Planets within 10 Parsecs

Post by Sirius_Alpha on 3rd December 2008, 6:25 pm

You can save it to your computer, or put the image location into your address bar.

http://images3.wikia.nocookie.net/scratchpad/images/0/0e/Nearby_Exoplanets.jpg

It looks really good =). (you misspelled Neptune at the Sol system line)

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Re: Planets within 10 Parsecs

Post by youknowandy on 3rd December 2008, 11:15 pm

well, Neptune and a couple other things were corrected. it took me a while to figure out how to make this chart in excel and then how to add commentary in power point.

our local neighborhood has filled out a little bit since 2005, but still, the fraction of nearby stars we don't have planets for is way, way too high.

i'm using this image in my wikia page http://scratchpad.wikia.com/wiki/Systems_by_Distance
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Re: Planets within 10 Parsecs

Post by Lazarus on 4th December 2008, 1:27 pm

Nicely done. Might be a good idea to use something that doesn't look like a planet to represent the HZ and debris belts though.
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Re: Planets within 10 Parsecs

Post by marasama on 4th December 2008, 5:41 pm

Yes, I was wondering what those dots were.

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Re: Planets within 10 Parsecs

Post by youknowandy on 5th December 2008, 1:52 am

thanks. i'll have to do something about those dots.
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Re: Planets within 10 Parsecs

Post by Sirius_Alpha on 5th December 2008, 4:42 pm

Perhaps the habitable zone could be rendered as a faint (but visible) blue rectangle in the background).

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Re: Planets within 10 Parsecs

Post by marasama on 5th December 2008, 10:40 pm

What not replace the dots with squares or a horizontal bar/line?

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Re: Planets within 10 Parsecs

Post by youknowandy on 6th December 2008, 5:43 am

i've started to update it and i'm adding a little pointer with "HZ" on it to the dots. for belts, i'm using a banner-like shape. i know dots aren't the most ideal, but there's two reasons i'm still working with them. i'm working with excel and i only know how to make them other shapes (although i could overlay the dots with other shapes in powerpoint if i wanted to). the nice thing about the orinal excel dots though is that they are color coded so that it is easy to identify which system they belong to. if two systems are at a similar distance to the sun, it can be easy to get them mixed up.

i'm also learning that excel and powerpoint get horribly out of synch whenever i insert rows in the spreadsheet... i have to redefine all my series data ranges again now so the colors aren't all screwed up, what a pain.

the habitable zone data that i'm using is from Sol Station. usually, i only have mid-point information for it, but in one case i have a range.
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