Search found 8 matches

by gtrichards
Mon Apr 07, 2014 10:02 am
Forum: Extragalactic Working Group
Topic: EWG Update
Replies: 0
Views: 3890

EWG Update

Here is the update that we just sent the SSG in advance of the VLASS phone-con this afternoon. Let us know if you have corrections or other thoughts that we should address at the meeting. Gordon & Jackie ############ The EWG hasn't specifically identified trip points for the proposed 3 tier plan...
by gtrichards
Tue Mar 25, 2014 2:15 pm
Forum: Extragalactic Working Group
Topic: Iterating on the EWG's baseline VLASS plan
Replies: 0
Views: 3036

Iterating on the EWG's baseline VLASS plan

You can now see all of the draft survey definitions (ours, Galactic, and Transients) at: https://safe.nrao.edu/wiki/pub/JVLA/ExtragalacticWorkingGroup/vlass-ewg.032414.pdf https://safe.nrao.edu/wiki/pub/JVLA/GalacticWorkingGroup/VLASS_Galactic_WG.pdf https://safe.nrao.edu/wiki/pub/JVLA/TransientsVar...
by gtrichards
Mon Mar 10, 2014 11:11 am
Forum: Extragalactic Working Group
Topic: DEEP component discussion
Replies: 0
Views: 2833

DEEP component discussion

DEEP VLASS component range of possibilities: Min Area = 10 sq. deg (Jarvis whitepaper) Max Area = 30 sq. deg (White et al. VLA proposal) Max Depth = 1.5uJy (Jarvis whitepaper) Min Depth = 4uJy (White et al. VLA proposal) Multi-epoch: Yes. The required exposure times greatly exceed the single-epoch v...
by gtrichards
Mon Mar 10, 2014 11:10 am
Forum: Extragalactic Working Group
Topic: WIDE component discussion
Replies: 1
Views: 2024

WIDE component discussion

WIDE VLASS component range of possibilities: Min Area = 3603 sq. deg (DES+HSC) Max Area = 13055 sq. deg (LSST+DES+HSC) (see below for detailed notes) Min Depth = 50uJy (3x FIRST) Max Depth = 30uJy (5xFIRST) Min Exp Time = 30s Max Exp Time = 90s Multi-epoch: Up for discussion. These times are such th...
by gtrichards
Mon Mar 10, 2014 11:09 am
Forum: Extragalactic Working Group
Topic: ALL-SKY component discussion
Replies: 0
Views: 1692

ALL-SKY component discussion

ALL-SKY VLASS component range of possibilities: Area = ~34000 sq. deg (dec>-40) Depth = ~100uJy (up for discussion) Bandpass: S (default, but L or S+L up for discussion) Multi-epoch: only if desired and overhead is acceptable, not needed Array : B, A, combination, or custom Polarization: Yes (defaul...
by gtrichards
Wed Mar 05, 2014 5:07 pm
Forum: Extragalactic Working Group
Topic: Technical questions: feedback needed by next week
Replies: 0
Views: 1836

Technical questions: feedback needed by next week

Reposting from Google Group in case people missed it there. -- Gordon ##### Now that a number of new people have signed up for the mailing list, this is a good time to try to get some much needed feedback on a number of questions. If you weren't at the VLASS meeting at AAS and/or haven't read the wh...
by gtrichards
Wed Mar 05, 2014 5:05 pm
Forum: Extragalactic Working Group
Topic: Use of Forum and Google Group
Replies: 0
Views: 3491

Use of Forum and Google Group

Hi all, As Gordon explained in his last email, a VLASS-type survey is still on the table, and they have set up a "Science working group" to hash out more of the details. This is currently split into several area-specific working groups, one of which is the Extragalactic working group (EWG)...
by gtrichards
Thu Feb 27, 2014 6:01 pm
Forum: Extragalactic Working Group
Topic: Welcome
Replies: 0
Views: 1892

Welcome

The extragalactic group is encouraging discussions around the idea of merging the whitepaper led by Richards and the whitepaper led by Jarvis into a single VLASS proposal. Possibilities include 1) 2 tiers: medium-wide (~5k-13k sq deg @ 31-50uJy) + deep (10 sq deg @ 1.5uJy) or 2) 3 tiers: wide (full ...

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