[daip] Analysing SMA data in AIPS ?

[Nissim Kanekar]

Hi Eric,

Here's the SMA antenna co-ordinates, from their raw data directory (X, Y, Z, in 
local co-ordinates). The first 8 antennas are the "standard" SMA, and antennas 9 
and 10 are the CSO and the JCMT.

Thanks!
Nissim

On Fri, 2 Jan 2015, Eric Greisen wrote:

> On 12/31/2014 11:23 AM, Nissim Kanekar wrote:
>> 
>> Hi Eric,
>> 
>> I'm trying to use AIPS to analyse some data from the sub-millimetre
>> array, aiming to do self-calibration in AIPS and then convert to the
>> heliocentric frame, before making spectral cubes. However, when I run
>> INDXR to generate an NX table, I get the following error (an NX table is
>> produced, incidentally):
>> 
>> ANREFM: NO ANTENNA OR ARRAY RECOGNIZED
>> 
>> I was wondering whether SMA data isn't recognized by AIPS and if there's
>> a way of getting it to work; could you let me know ? I've attached the
>> AN table that was attached to the data to this mail.
>
> The table you have attached in really rather a mess - did it come from the 
> SMA or did you write it back out from AIPS?  If the latter, is there some way 
> you could get me the original SMA data file?
>
> The coordinates of the antennas are all (X,Y,Z and all antennas) = 29 meters 
> - not possibly correct.  The ANREFM message will be annoying but it causes 
> nothing bad to happen.  It means that array = 'SMA' is not in the code.  It 
> would put it in if I thought that would help but the antenna positions are so 
> bad that there is no point.
>
>
> Eric Greisen
>
-------------- next part --------------
1	-1.280491340e+02	-7.350671300e+01	 2.953008020e+02
2	-3.763609200e+01	-3.496856890e+02	 3.168399000e+01
3	-4.259832500e+01	-7.155192400e+01	 8.619697600e+01
4	-9.102487200e+01	-4.790407900e+02	 1.457230790e+02
5	 2.651697400e+01	-1.335961810e+02	-1.041769720e+02
6	 0.000000000e+00	 0.000000000e+00	 0.000000000e+00
7	 1.173946400e+01	-5.366464100e+01	-4.072361300e+01
8	-1.313384810e+02	-2.515863110e+02	 3.094093260e+02
9	 5.692267900e+01	 5.446910400e+01	-1.431936120e+02
10	 5.885561200e+01	 2.123827500e+02	-1.865772510e+02