Author Topic: Peas Project  (Read 125274 times)

ccardamone

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Peas Project
« on: July 08, 2008, 05:36:25 pm »
Hi Everyone,
   My name is Carie and I'm the student Kevin Schawinski found at Yale to look at the peas.  I've created this forum thread called, 'Peas Project' to collect these interesting galaxies.  I'd greatly appreciate your help in collecting them.  Please post to this new thread any objects that you find that meet the following criteria:

We're looking for galaxies that  are very green, compact and if you look at the spectrum they have an big bright OIII line.  It's this OIII line in the r-band that makes them look so green, so they should be at a redshift z > 0.15 and z < 0.45. 

Here are some images of peas:






Here are some examples of what we're not looking for:
http://cas.sdss.org/astro/en/tools/explore/obj.asp?id=587739303144325286
The bright big QSO, looks like a pea because its green and compact, but if you click on the spectrum, you'll see it has a redshift z=4.2 and you'll see a large Ly_alpha line and not a large OIII line in the center.



Another example of something we're not looking for is a star like http://cas.sdss.org/astro/en/tools/explore/obj.asp?id=587738409784311877
Its small and green, but there is no large OIII line in its spectrum.




We're not looking for all OIII objects, some like this one show OIII lines in their spectrum but are not compact and green.




Thank you so much for your help! 
If there are any questions, go ahead and post them here :)


We'll be sure to let you know how the project progresses.

elizabeth

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Re: Peas Project
« Reply #1 on: July 08, 2008, 05:40:33 pm »
 ;D ;D welcome to the Zoo ;)

Geoff

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Re: Peas Project
« Reply #2 on: July 08, 2008, 05:44:09 pm »
Hi Carie

Thanks for the tutorial on "peas". Will add any I find.

What about peas which have already been posted in the "Give peas a chance" thread?  I guess we should check for duplicates before posting.
  Sometimes I think we're alone. Sometimes I think we're not. In either case, the prospect is staggering!- Arthur C. Clarke

Half65

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Re: Peas Project
« Reply #3 on: July 08, 2008, 05:45:44 pm »
Welcome to the zoo ccardamone.
This is the thread nominated by Geoff

zookeeperKevin

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Re: Peas Project
« Reply #4 on: July 08, 2008, 05:51:37 pm »
What about peas which have already been posted in the "Give peas a chance" thread?  I guess we should check for duplicates before posting.

Hi Geoff,
We're trying to collect ONLY the original peas (compact, green, high redshift) in one place, so please post them here without all the other OIII objects.

ElisabethB

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Re: Peas Project
« Reply #5 on: July 08, 2008, 09:44:24 pm »
Rick Nowell is the one with the most comprehensive list of true peas !!
And Laihro is also a very good contact !!
Best of luck Carie and we'll be hunting for more of these peas !

Hanny

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Re: Peas Project
« Reply #6 on: July 08, 2008, 10:26:06 pm »
Welcome to the zoo indeed. Wasn't my original joke pea a real one? :) Is someone now looking through that thread or are we just going to post new ones? :)

ElisabethB

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Re: Peas Project
« Reply #7 on: July 08, 2008, 10:32:08 pm »
Hanny,
I think the original pea thread is under scrutiny as it is !!  ;D
Any new ones would be vastly appreciated ( ;)

Hanny

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Re: Peas Project
« Reply #8 on: July 08, 2008, 10:39:22 pm »
thought so, but just to check. anyway, thanks Els. ;)

ccardamone

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Re: Peas Project
« Reply #9 on: July 08, 2008, 10:44:05 pm »
Thanks for the welcome.  I'm looking forward to working with you all.

The reason we've started this new thread is to find a sample of peas only meeting the above requirements.  I'm going to go through the other pea thread as well to collect what people have already posted.  But if you find any peas in your searching feel free to post them here.  I'd rather get a duplicate from the 'give peas a chance' thread than miss one all together.


thanks!
Carie

Hanny

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Re: Peas Project
« Reply #10 on: July 08, 2008, 10:45:44 pm »
Good point. Thank you as well Carie and good luck with "my" peas, make a nice soup of it I'd say.. ;D

zookeeperKevin

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Re: Peas Project
« Reply #11 on: July 08, 2008, 11:17:52 pm »
Welcome to the zoo indeed. Wasn't my original joke pea a real one? :) Is someone now looking through that thread or are we just going to post new ones? :)

Hey Hanny,

You could call yourselves the "Peas Brigade". To help Carie, you could scour the old peas thread and post only those that meet the requirements in this thread.

Hanny

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Re: Peas Project
« Reply #12 on: July 08, 2008, 11:19:01 pm »
Yeah, that was what I meant to ask actually. :) Thanks Kevin! ;)

ElisabethB

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Re: Peas Project
« Reply #13 on: July 08, 2008, 11:20:15 pm »
Welcome to the zoo indeed. Wasn't my original joke pea a real one? :) Is someone now looking through that thread or are we just going to post new ones? :)

Hey Hanny,

You could call yourselves the "Peas Brigade". To help Carie, you could scour the old peas thread and post only those that meet the requirements in this thread.
As I said before : Rick Nowell !!!  ;D

Rick Nowell

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Re: Peas Project
« Reply #14 on: July 09, 2008, 08:54:07 am »
As I said before : Rick Nowell !!! 

Thanks Elisabeth;  pea-hunters of the world unite!
« Last Edit: July 09, 2008, 05:45:38 pm by Rick Nowell »