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From: miranda@physics.umanitoba.ca
Subject: Re: trouble with a spectrum extracted from multiple point source
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Date: Tue, 30 Sep 2008 15:52:12 -0500
From: miranda@physics.umanitoba.ca
To: Maria Diaz Trigo <xmmhelp@sciops.esa.int>
Subject: Re: trouble with a spectrum extracted from multiple point source
Dear Maria

I usually use a script to extract spectra so I had it set on PHA  
instead of PI in the sas GUI. Now the spectra mostly work. Thanks for  
the help.

Miranda

Quoting Maria Diaz Trigo <xmmhelp@sciops.esa.int>:

> Dear Miranda,
>
> our SAS experts have been looking at your spectrum, and they say  
> that it looks
> strange: it uses PHA rather than PI channel and has 820 channels, no flag
> selection, no pattern selection etc...
>
> Therefore, it may be that this causing the errors afterwards. Could  
> you please
> re-check that you are sending us the proper spectrum?
>
> Many thanks in advance,
>
> Maria
>
> Maria Diaz Trigo
> XMM-Newton SOC
>
>
>> Dear Maria
>>
>> Here is the spectrum file:
>>
>> http://www.physics.umanitoba.ca/~miranda/obs1pnptsrcsspec.fits
>>
>> Thanks.
>>
>> Miranda
>>
>>
>> Quoting Maria Diaz Trigo <xmmhelp@sciops.esa.int>:
>>
>>> Dear Miranda,
>>>
>>> we have now managed to read the regions file, thanks a lot. The SAS
expert
> is
>>> now telling me the following:
>>>
>>> "Unfortunately when I use this region expession to extract a
>>> spectrum and then
>>> backscale it - it works.
>>>
>>> Could you also ask her for the spectrum itself with the BACKSCAL=0
value.
> I'm
>>> not quite sure what was meant by "within a large circle". This may
>>> be a clue."
>>>
>>> So could you please send us the spectrum with the BACKSCAL=0 value?
>>> Please put
>>> it in an ftp address as before, so that we don't have problems
reading it.
>>>
>>> Thank you in advance,
>>>
>>> Maria
>>>
>>> Maria Diaz Trigo
>>> XMM-Newton SOC
>>>
>>>> This message is in MIME format.
>>>>
>>>> --=_1z0sn0kwk4d
>>>> Content-Type: text/plain;
>>>> 	charset=ISO-8859-1;
>>>> 	DelSp="Yes";
>>>> 	format="flowed"
>>>> Content-Disposition: inline
>>>> Content-Transfer-Encoding: quoted-printable
>>>>
>>>> Dear Maria
>>>>
>>>> Here's the gzipped file. I hope it works better.
>>>>
>>>> Thanks.
>>>>
>>>> Miranda
>>>>
>>>>
>>>>
>>>> Quoting Maria Diaz Trigo <xmmhelp@sciops.esa.int>:
>>>>
>>>>> Dear Miranda,
>>>>>
>>>>> the region that you have sent us is corrupted. Could you
please  
>>>>> send it t=
>>>> o us
>>>>> again but gzipping it before you send it?
>>>>>
>>>>> Many thanks in advance,
>>>>>
>>>>> Maria
>>>>>
>>>>> Maria Diaz Trigo
>>>>> XMM-Newton SOC
>>>>>
>>>>>> This message is in MIME format.
>>>>>>
>>>>>> --=3D_3aaxxalqpw5m
>>>>>> Content-Type: text/plain;
>>>>>> 	charset=3DISO-8859-1;
>>>>>> 	DelSp=3D"Yes";
>>>>>> 	format=3D"flowed"
>>>>>> Content-Disposition: inline
>>>>>> Content-Transfer-Encoding: quoted-printable
>>>>>>
>>>>>> Dear Maria
>>>>>>
>>>>>> My region file is attached.
>>>>>>
>>>>>> Thanks.
>>>>>>
>>>>>> Miranda
>>>>>>
>>>>>>
>>>>>> Quoting Maria Diaz Trigo
<xmmhelp@sciops.esa.int>:
>>>>>>
>>>>>>> Dear Miranda,
>>>>>>>
>>>>>>> could you please send us the region file that you
have used to  
>>>>>>> extract =
>>>> you=3D
>>>>>> r
>>>>>>> spectrum?
>>>>>>> With this we can tell you already if the region is
correct or not.
>>>>>>>
>>>>>>> Best regards,
>>>>>>>
>>>>>>> Maria
>>>>>>>
>>>>>>> Maria Diaz Trigo
>>>>>>> XMM-Newton SOC
>>>>>>>
>>>>>>>> Full_Name: MIranda Jackson
>>>>>>>> Submission from: (NULL) (130.179.72.213)
>>>>>>>>
>>>>>>>>
>>>>>>>> I have extracted a spectrum from a large number
of small  
>>>>>>>> circles withi=
>>

Message of length 90367 truncated

Reply 1

Resend
From: Maria Diaz Trigo <xmmhelp@sciops.esa.int>
To: miranda@physics.umanitoba.ca
Subject: Re: trouble with a spectrum extracted from multiple point source (PR#38510)
Date: Wed Oct  1 16:23:11 2008
Dear Miranda,

I am happy to hear that the spectra are fine now.

Best wishes,

Maria

Maria Diaz Trigo
XMM-Newton SOC

> Dear Maria
> 
> I usually use a script to extract spectra so I had it set on PHA  
> instead of PI in the sas GUI. Now the spectra mostly work. Thanks for  
> the help.
> 
> Miranda
> 
> Quoting Maria Diaz Trigo <xmmhelp@sciops.esa.int>:
> 
>> Dear Miranda,
>>
>> our SAS experts have been looking at your spectrum, and they say  
>> that it looks
>> strange: it uses PHA rather than PI channel and has 820 channels, no
flag
>> selection, no pattern selection etc...
>>
>> Therefore, it may be that this causing the errors afterwards. Could  
>> you please
>> re-check that you are sending us the proper spectrum?
>>
>> Many thanks in advance,
>>
>> Maria
>>
>> Maria Diaz Trigo
>> XMM-Newton SOC
>>
>>
>>> Dear Maria
>>>
>>> Here is the spectrum file:
>>>
>>> http://www.physics.umanitoba.ca/~miranda/obs1pnptsrcsspec.fits
>>>
>>> Thanks.
>>>
>>> Miranda
>>>
>>>
>>> Quoting Maria Diaz Trigo <xmmhelp@sciops.esa.int>:
>>>
>>>> Dear Miranda,
>>>>
>>>> we have now managed to read the regions file, thanks a lot. The
SAS expert
>> is
>>>> now telling me the following:
>>>>
>>>> "Unfortunately when I use this region expession to extract a
>>>> spectrum and then
>>>> backscale it - it works.
>>>>
>>>> Could you also ask her for the spectrum itself with the
BACKSCAL=0 value.
>> I'm
>>>> not quite sure what was meant by "within a large circle". This
may
>>>> be a clue."
>>>>
>>>> So could you please send us the spectrum with the BACKSCAL=0
value?
>>>> Please put
>>>> it in an ftp address as before, so that we don't have problems
reading it.
>>>>
>>>> Thank you in advance,
>>>>
>>>> Maria
>>>>
>>>> Maria Diaz Trigo
>>>> XMM-Newton SOC
>>>>
>>>>> This message is in MIME format.
>>>>>
>>>>> --=_1z0sn0kwk4d
>>>>> Content-Type: text/plain;
>>>>> 	charset=ISO-8859-1;
>>>>> 	DelSp="Yes";
>>>>> 	format="flowed"
>>>>> Content-Disposition: inline
>>>>> Content-Transfer-Encoding: quoted-printable
>>>>>
>>>>> Dear Maria
>>>>>
>>>>> Here's the gzipped file. I hope it works better.
>>>>>
>>>>> Thanks.
>>>>>
>>>>> Miranda
>>>>>
>>>>>
>>>>>
>>>>> Quoting Maria Diaz Trigo <xmmhelp@sciops.esa.int>:
>>>>>
>>>>>> Dear Miranda,
>>>>>>
>>>>>> the region that you have sent us is corrupted. Could
you please  
>>>>>> send it t=
>>>>> o us
>>>>>> again but gzipping it before you send it?
>>>>>>
>>>>>> Many thanks in advance,
>>>>>>
>>>>>> Maria
>>>>>>
>>>>>> Maria Diaz Trigo
>>>>>> XMM-Newton SOC
>>>>>>
>>>>>>> This message is in MIME format.
>>>>>>>
>>>>>>> --=3D_3aaxxalqpw5m
>>>>>>> Content-Type: text/plain;
>>>>>>> 	charset=3DISO-8859-1;
>>>>>>> 	DelSp=3D"Yes";
>>>>>>> 	format=3D"flowed"
>>>>>>> Content-Disposition: inline
>>>>>>> Content-Transfer-Encoding: quoted-printable
>>>>>>>
>>>>>>> Dear Maria
>>>>>>>
>>>>>>> My region file is attached.
>>>>>>>
>>>>>>> Thanks.
>>>>>>>
>>>>>>> Miranda
>>>>>>>
>>>>>>>
>>>>>>> Quoting Maria Diaz Trigo
<xmmhelp@sciops.esa.int>:
>>>>>>>
>>>>>>>> Dear Miranda,
>>>>>>>>
>>>>>>>> could you please send us the region file that
you have used to  
>>>>>>>> extract =
>>>>> you=3D
&g

Message of length 97569 truncated

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