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ALMA Science IPT TeleconPhone Meeting 2003-October-20 |
- Action items from varioussources:
Last Meeting: SSB Requirements should be put into Science
Requirements.
Comments due on ACA
Distribute username and password for the DRSP
website.
Mini-ALMA Week Action
Items and Decisions: Science IPT: Complete comments on Antenna
Technical specs and corresponding ICDs. All IPTs 15-10-03
See Over-the-top
recommendations.
Document to implement five load amplitude calibration device described
in ALMA Memo #461 needs to be written SCIE, FEND 26-9-03
See proposed Amplitude
Calibration Measurements and CRE.
Highlight remaining controversial issues in FE
Req documents submitted to CCB. All IPTs 30-9-03 HAW commented.
Resolve which calibration documents, “ALMA
Calibration” or “Calibration Plan” are defining documents for ALMA.SE,
SCIE 15-10.03
The
defining document is, of course, the document due on 31 October.
L2 9835 update description of WVR strategy SCIE 30-9-03
L2 9845 Science Verification plan needed earlier than
30-June-2005 SCIE 30-9-03
Science Requirement document should be ready to be
submitted to the CCB. Wootten 20-10-03 Last moment for
comments!
IPT input to JAO quarterly report needed. All IPTs,
Operations Group 30-9-03 Science
IPT Report
All IPT leaders or designees to provide to Emerson
description of system operational needs by 10 October 2003. Science IPT Report.
Correlator CDR: "The committee recommends that the Science IPT
clarify the conditions under which the spectral dynamic range of 40 dB
be required. Since the ALMA correlator is a 2-bit correaltor,
the dynamic range can only be achieved if the narrowband power into the
receiver is less than a certain small fraction of the total receiver
power. The Science IPT must quantify what the maximum total
narrowband power is into the receivers, as fraction of the total
receiver noise power."
"The
science specifications indicating what the maximum sensitivity loss of
the correlator must be should be further clarified. Nominally,
with the European tunable filter card and a 2-bit correlator, the
sensitivity loss in the correlator is 1-(0.88 x 0.985)=.133."
Some simulations may be needed to determine imaging
artifacts possibly caused by phase and amplitude errors in overlap
region of
tunable
filter option for correlator.
AMAC: Simulate imaging using two prototype antennas as examples, if
array were to consist of half of one type and half of the other.
for September 12.
- Calibration
plan (PB Chapter 3 revision) and milestones; telecon
agenda and minutes
(Bryan)
- bandpass (Aurore, Stephane)
-3.Design Reference Science Plan (Ewine
)
DRSP
-- report from Ewine (Ewine)
-4 Imaging (Gueth,
Holdaway)
- report on activities
(Holdaway)
-5. SSR (Lucas)
- Report on SSR activities,
face-to-face meeting (Robert)
-6. Configurations
(Conway)
-7 Site (Radford,
Nyman)
- report on activities