[mmaimcal] ATF extended until September

[Al Wootten]

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 
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