[mmaimcal] ATF extended until September

[Bryan Butler]

just checked.  we have in the current database the calibrator lists from:
  . VLA
  . VLBA
  . GBT
  . CARMA
  . PdBI

we don't have ATCA/MOPRA in there yet - i'll get them to do that in the 
near future.

	-bryan


Bryan Butler wrote:
> we have such a database for VLA and VLBA now.  in fact we also have the 
> CARMA list there too.  we talked at one point about ATCA but i don't 
> know if they got that one in.  i'll inquire.  dave harland and his guys 
> are incorporating these catalogs into the EVLA OPT (the equivalent of 
> Phase II of the ALMA OT).  they don't have the snazzy search tool yet 
> (there's a prototype but it's not ready for prime time), but at least 
> the database of sources is there.
> 
> 	-bryan
> 
> 
> 
> Al Wootten wrote:
>> Hi Bryan
>>
>> If there were a usable common EVLA/GBT/ALMA database that would be best. 
>>  My understanding is that that does not exist yet.  ALMA needs a 
>> database for calibrators pronto, in my opinion.  The OT needs that 
>> database yesterday.  We will present the OT to the users January 2010 at 
>> the AAS Town Hall and we should do something at the AAS Town Hall Jan 
>> 2009 to show users what to expect.  It won't do to say "Go try to find a 
>> calibrator among the existing lists."  The first antenna will be at 
>> 5000m in August (though not to stay)!
>>
>> Clear skies,
>> Al
>>
>> Bryan Butler wrote:
>>> i think ed was thinking more for the purposes of mmVLB itself (the CMV 
>>> runs) rather than for the purposes of ALMA.  but maybe i'm 
>>> misinterpreting his original email.
>>>
>>>     -bryan
>>>
>>>
>>> Al Wootten wrote:
>>>
>>>> Hi Harvey
>>>>
>>>> Yes, but we need to get an ALMA database ready to run when we get to the
>>>> S. Hemisphere.  We can't rely on others for long; the ATF already has
>>>> the SMA sensitivity and at 3mm where the SMA does not operate.  Also,
>>>> we are interested in calibrators which will be appropriate for ALMA but
>>>> are too weak for the current generation of interferometers to bother 
>>>> with.
>>>> It will be harder to get something going with the myriad distractions 
>>>> in Chile.
>>>> The OT will not go to a ragtag collection of interferometers to find 
>>>> out what to
>>>> observe; it needs its own database, which Ed and others are developing.
>>>>
>>>> Clear skies,
>>>> Al
>>>> Harvey Liszt writes:
>>>>  > Wouldn't it be easier just to go to the calibrator lists of the 
>>>> CARMA,  > SMA, and PdBI interferomters?
>>>>  >  > H.
>>>>  > -----------------------------------------
>>>>  > Ed Fomalont wrote:
>>>>  > > Hello all,
>>>>  > >  > >     I would be interested in observing many 'VLBA' 
>>>> calibrators at the  > > ATF in order to see how strong they are at 
>>>> the high frequencies.  My  > > guess is that there might be several 
>>>> hundred calibrators strong enough  > > (at least this week) to be put 
>>>> into the system.
>>>>  > >  > >     Cheers,  Ed
>>>>  > >  > > _______________________________________________
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>>>>  >  >  > --  > Harvey Liszt                          
>>>> work:434.296.0344 fax 0278
>>>>  > Scientist & Spectrum Manager          home:434.973.3744
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