Search found 4 matches

by bgaensler
Tue Feb 17, 2015 1:02 pm
Forum: VLA Sky Survey
Topic: Call for Open Community Comment on the VLASS Proposal
Replies: 5
Views: 2828

Re: Call for Open Community Comment on the VLASS Proposal

Hi Jim, In response to your document: One crucial way in which VLASS All-sky is transformative is in polarimetry: FIRST had no polarisation at all, and NVSS had very crude polarisation data from which one can only extract limited information. Here the anticipated existence of EMU and WODAN is a huge...
by bgaensler
Thu Oct 30, 2014 4:28 am
Forum: Galactic Working Group
Topic: revised VLASS proposal
Replies: 4
Views: 1384

Re: revised VLASS proposal

Also, all the different tiers and modes we're proposing seem like too much of a "back door", aimed at getting around the Director's mandate that there will only be one VLASS survey. By cobbling together all these different surveys, we're not entirely sticking with the spirit of that requir...
by bgaensler
Thu Oct 30, 2014 4:26 am
Forum: Galactic Working Group
Topic: revised VLASS proposal
Replies: 4
Views: 1384

Re: revised VLASS proposal

Hi Joe, Speaking as a Galactic astronomer, I don't see this as a bad idea. The last version of the VLASS draft I saw was too broad and tried to promise everything to everyone, without really making a strong case for anything. Demonstrating that we really do have specific motivations, and are thus pr...
by bgaensler
Mon Mar 10, 2014 6:26 pm
Forum: Extragalactic Working Group
Topic: WIDE component discussion
Replies: 1
Views: 1466

Re: WIDE component discussion

(Comment below is also pasted into the Google Docs spreadsheet.) Hi Gordon, I'm responding about the combined choice of observing frequency and array configuration for VLASS WIDE. In my opinion, an S-band B-array survey for VLASS WIDE is not the optimal choice, because an overriding consideration ne...

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