Edasich's Work

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Re: Edasich's Work

Post by Edasich on 6th November 2009, 9:45 am

"When the lions broke free", quoting someway Pink Floyd *lol*

A little thread bump for two systems in Leo constellation:


54) Gamma1 Leonis and planet: K-giant in binary system with hot jupiter.




Notice the secondary star at periastron getting as close as 10.7 AUs from star A.




55) R Leonis: Mira variable star




...with evaporating planet

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Re: Edasich's Work

Post by Giangore on 6th November 2009, 10:23 am

great work! continue to keep alive our dreams!

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Re: Edasich's Work

Post by Edasich on 6th November 2009, 12:14 pm

Giangore wrote:great work! continue to keep alive our dreams!

Oh a new member!

Thank you for kind support Wink
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Re: Edasich's Work

Post by Sedna on 6th November 2009, 3:49 pm

Wow, that's beautiful ! It will make you laugh but I think that the planet is taking a bath. But it also make me think that the cloud forms a wall in front of the planet (or a shock wave), such as the case of Mira.
Can you make a pic of the planet as a observer would see above its terminator ?

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Re: Edasich's Work

Post by Edasich on 7th November 2009, 5:33 pm

I could try. Give me some time to edit ssc file and models
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Re: Edasich's Work

Post by Sedna on 7th November 2009, 5:39 pm

Don't worry about that, I will wait.

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Re: Edasich's Work

Post by Edasich on 10th November 2009, 9:01 am

I don't know if this is what Sedna requested. Enjoy it anyway
The host star really appears like a monster, even if the planet lies in "quasi-epistellar" orbit




I was taking looking at thread visits. Gosh! More than 1,700!
Thank you all, pals! Very Happy
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Re: Edasich's Work

Post by Sirius_Alpha on 10th November 2009, 9:04 am

Screenshots like that emphasize the need for Celestia to render light sources as something other than point-like. Much more of that planet should be illuminated than is shown in Celestia.

Wouldn't a hypothetical R Leo b just kinda fall into the star anyway?

Edasich wrote:I was taking looking at thread visits. Gosh! More than 1,700!
Don't get too excited, half of them are yours

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Re: Edasich's Work

Post by Edasich on 13th November 2009, 7:19 am

Don't get too excited, half of them are yours

Sorry, Sirius, but here I come always and only for thread bumps, you envious dude *lol* Hehehehe


56) - For those who like "freshly baked cookies": QS Virginis cataclysmic-variable...



...and extrasolar planet candidate QS Vir b (or QS Vir C?).






Last edited by Edasich on 23rd November 2009, 9:07 am; edited 1 time in total
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Re: Edasich's Work

Post by Sedna on 13th November 2009, 8:36 am

Edasich wrote:I don't know if this is what Sedna requested. Enjoy it anyway
The host star really appears like a monster, even if the planet lies in "quasi-epistellar" orbit
Howww, it's better than I expected. We clearly see the wall of gas. Great work Edasich !

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Re: Edasich's Work

Post by Lazarus on 13th November 2009, 4:37 pm

The red dwarf in the QS Vir system fills its Roche lobe so should be shaped like a teardrop.

For space artists, it's an unfortunate feature of both QS Vir and HW Vir that the binaries are so compact that it would be hard to make out the two stars from the vantage point of the planets.
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Re: Edasich's Work

Post by Edasich on 21st November 2009, 5:03 am

Congratulations, Edasich!!

First Celestia add-on accepted made by Edasich! Very Happy

QS Virginis and planet



This addon has been rated as: Excellent

Emphasis mine. Rating not.
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Re: Edasich's Work

Post by Lazarus on 21st November 2009, 5:25 am

However bear in mind that QS Virginis is now included in the default extrasolar.ssc and extrasolar.stc files - these can be downloaded from the Celestia Subversion repository here.

Personally I build my version of Celestia from source, and keep up-to-date with the latest features and datafiles.
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Re: Edasich's Work

Post by Edasich on 21st November 2009, 5:48 am

Lazarus wrote:However bear in mind that QS Virginis is now included in the default extrasolar.ssc and extrasolar.stc files - these can be downloaded from the Celestia Subversion repository here.

Personally I build my version of Celestia from source, and keep up-to-date with the latest features and datafiles.

I know, but I don't know if the extrasolar.stc files generates the binary system too.
The add-on I made includes the binary, with accurate parameters (lacking only of the tidally distorted appearance you said) and my own planet texture.
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Re: Edasich's Work

Post by Lazarus on 21st November 2009, 5:51 am

Edasich wrote:I know, but I don't know if the extrasolar.stc files generates the binary system too.
It does. However it too does not contain the tidally-distorted appearance. Main difference is it is currently lacking the eccentricity information for the planetary orbit, however this is likely going to be included in the next version of the files.
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Re: Edasich's Work

Post by Sirius_Alpha on 21st November 2009, 10:05 am

Lazarus, can the script you wrote to create contact binaries produce the necessary shape for this star?

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Re: Edasich's Work

Post by Lazarus on 21st November 2009, 11:12 am

Sirius_Alpha wrote:Lazarus, can the script you wrote to create contact binaries produce the necessary shape for this star?
Not without making a few modifications. Would require different bounding constraints for a start. Also the fill-out-factor used for contact binaries isn't so useful here, so would have to change a few of the parameters. Also I'm not entirely sure what the most sensible way to uv-map such a star would be.
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Re: Edasich's Work

Post by Edasich on 23rd November 2009, 9:11 am

This is the wikipedia page of "Tyrogthekreeper" (that is Edasich in disguise *lol*). There I've put several Celestia pictures of exoplanets.

http://en.wikipedia.org/wiki/Category:User:Tyrogthekreeper/Images

Some teasers:

57) - Pi2 Ursae Majoris b.



58) VB 10 b.



59) Microlensing planet MOA-2007-BLG-400-Lb.



60) White dwarf planet GD 66 b.

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Re: Edasich's Work

Post by lodp on 23rd November 2009, 4:15 pm

Lazarus wrote:
Sirius_Alpha wrote:Lazarus, can the script you wrote to create contact binaries produce the necessary shape for this star?
Not without making a few modifications. Would require different bounding constraints for a start. Also the fill-out-factor used for contact binaries isn't so useful here, so would have to change a few of the parameters. Also I'm not entirely sure what the most sensible way to uv-map such a star would be.

Have you checked out the addon for celestia that does W UMa type stars?

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Re: Edasich's Work

Post by Sirius_Alpha on 23rd November 2009, 4:17 pm

lodp wrote:Have you checked out the addon for celestia that does W UMa type stars?
Lazarus is actually quite familiar with that add-on, yes.
He made it.

Edasich, some time you should teach me how to make such amazing gas giant textures

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Re: Edasich's Work

Post by lodp on 23rd November 2009, 4:24 pm

I think we'd all like to know how he does such great stuff!

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Re: Edasich's Work

Post by Edasich on 6th December 2009, 1:18 pm

Little thread bump about the awesome system of:

61) WASP-18 b: now also available as Celestia AddOn!! Very Happy

WASP-18 b for Celestia


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Re: Edasich's Work

Post by Lazarus on 6th December 2009, 1:31 pm

WASP-18b is in the latest versions of the extrasolar.ssc/.stc files found on the Celestia Subversion repository.

Also bear in mind that Celestia by default requires orbital elements to be given in the ecliptic reference frame, not the plane-of-sky reference frame used for planets. Your add-on therefore fails to produce the correct orbital inclination.

Furthermore the rotation of the planet and the orbit are not aligned, despite being synchronous. Not sure if that was your intention.
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Re: Edasich's Work

Post by Edasich on 13th December 2009, 9:54 am

A teaser:

62) GJ 1214 b: transiting Super-Earth with low-density.




No information for no embargo breach.

63) OGLE-2007-BLG-368L b: Neptune's analog (though less cold).




64) Nu Ophiuchi & Tau Geminorum: who remembers their brown dwarfs? Laughing




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Re: Edasich's Work

Post by Edasich on 20th December 2009, 9:01 am

Guess who's done that exoplanet picture in featured articles, folks...

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Re: Edasich's Work

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