Author Topic: Is anyone else coming across what looks like blue peas?  (Read 14453 times)

paulrogers

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Re: Is anyone else coming across what looks like blue peas?
« Reply #15 on: May 08, 2010, 04:12:04 pm »
Has anybody found out about these "filter mismatches" yet?  Can we suppose that if these were better matched this, for example, might be greenish?

http://zoo-hst.s3.amazonaws.com/90006335.jpg

paulrogers

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Re: Is anyone else coming across what looks like blue peas?
« Reply #16 on: May 08, 2010, 04:17:36 pm »
They seem to be fairly common.

http://zoo-hst.s3.amazonaws.com/12027915.jpg

paulrogers

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paulrogers

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h.kohler

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Re: Is anyone else coming across what looks like blue peas?
« Reply #19 on: May 08, 2010, 07:41:27 pm »
I agree with you paulrogers, here is another one seeming to have a very active core like some oh those you posted.

http://zoo-hst.s3.amazonaws.com/12027896.jpg

Oozyzoozy

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Re: Is anyone else coming across what looks like blue peas?
« Reply #20 on: May 09, 2010, 01:49:33 am »

90008931
An upside down peadrop?

Budgieye

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Re: Is anyone else coming across what looks like blue peas?
« Reply #21 on: May 09, 2010, 05:29:12 am »
I agree with you paulrogers, here is another one seeming to have a very active core like some oh those you posted.

http://zoo-hst.s3.amazonaws.com/12027896.jpg
putting  12027896 into the AEGIS database, which works some of the time
http://tkserver.keck.hawaii.edu/egs/dataAccess/query/egs_query_deep2.php
and click on the OBJNO

Right and left click to open up the spectrum. Click on labels.

The spectrum has the smaller OIII peak (rest wavelength 4959A), so it looks as if it is a pea.
http://tkserver.keck.hawaii.edu/egs/dataAccess/notebook/egs_notebook.php?serial=12027896
and a Hydrogen-beta peak too, so it is also an AGN.
z=0.77

Here is the object on SDSS.
SDSS J141928.43+524703.6
found by breaking up the number into ra and dec
       14:19:28.43   52:47:03.6
SDSS thought that it might be a quasar, but no spectrum was taken.
"red peas" start looking faint and white on SDSS at z=0.7  http://www.galaxyzooforum.org/index.php?topic=277142.msg425863#msg425863
http://cas.sdss.org/dr7/en/tools/explore/obj.asp?id=587735695377694960
« Last Edit: May 09, 2010, 06:29:50 am by Budgieye »

Budgieye

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Re: Is anyone else coming across what looks like blue peas?
« Reply #22 on: May 09, 2010, 05:50:02 am »

12100419
the spectrum is on
http://tkserver.keck.hawaii.edu/egs/dataAccess/notebook/egs_notebook.php?serial=12100419

Stretching out the unfamiliar spectrum, and clicking on the labels button...
It looks like there is a big oxygen OII peak, so it is probably a pea, and a hydrogen-delta peak so it is also an AGN.
The OIII is off the spectrum at that redshift z=1.19

There is nothing to be seen on SDSS except for a vague white smudge.
I can't post the navigate page, because the centre jumps to the nearest object with an ID number.
Paste these ra and dec in Navigator parameters
14:16:58.17
52:31:58.14
« Last Edit: May 09, 2010, 06:23:27 am by Budgieye »

c_cld

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Re: Is anyone else coming across what looks like blue peas?
« Reply #23 on: May 09, 2010, 04:05:32 pm »
90042396

EISJ033139.60-274339.5 03:31:39.600 -27:43:39.50  Spect. z=0.9580 Rmag=23.23

c_cld

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Re: Is anyone else coming across what looks like blue peas?
« Reply #24 on: May 09, 2010, 04:23:41 pm »
90032084

VVDS 000024303 -- Galaxy
CDFS_00019 03:32:37.547 -27:48:38.77 redshift=0.665

 
« Last Edit: May 10, 2010, 07:29:55 am by c_cld »

Marcus2

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Re: Is anyone else coming across what looks like blue peas?
« Reply #25 on: May 11, 2010, 04:03:04 am »
90005984

Budgieye

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Re: Is anyone else coming across what looks like blue peas?
« Reply #26 on: May 11, 2010, 06:58:27 am »
90032084
 ...
VVDS 000024303 -- Galaxy
CDFS_00019 03:32:37.547 -27:48:38.77 redshift=0.665
Oh dear, a spectral chart that isn't labelled!  :'(
I can't even see the 4000 break!
I suppose astrophysists have handy charts to help them identify the emission lines.  :-\

Bruno

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Re: Is anyone else coming across what looks like blue peas?
« Reply #27 on: May 11, 2010, 07:33:51 am »
90032084
 ...
VVDS 000024303 -- Galaxy
CDFS_00019 03:32:37.547 -27:48:38.77 redshift=0.665
Oh dear, a spectral chart that isn't labelled!  :'(
I can't even see the 4000 break!
I suppose astrophysists have handy charts to help them identify the emission lines.  :-\
Click on labels and / or wavelength  in http://tkserver.keck.hawaii.edu/egs/dataAccess/notebook/egs_notebook.php?serial=12100419  ;)
Ciao
Bruno

Cadunt lilia, surgunt rosae
Stellae in caelo sunt radiosae

Blackprojects

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Re: Is anyone else coming across what looks like blue peas?
« Reply #28 on: May 11, 2010, 10:52:12 am »
I have found one as well but it is Semi RED?



90012885

Blackprojects

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Re: Is anyone else coming across what looks like blue peas?
« Reply #29 on: May 11, 2010, 10:55:16 am »
Another one.
Wonders if Some one who Stufdies PEAS for a Living is Starting to get very excited over these Blue PEAS or saying OMG Here we go again.



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