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TABLE ES.2 Ground: Recommended Activities—Medium Scale<br />

Recommendation b<br />

Science<br />

Technical<br />

Risk c<br />

Appraisal <strong>of</strong> Costs<br />

Through Construction a<br />

(U.S. Federal Share<br />

2012-2021)<br />

Appraisal <strong>of</strong><br />

Federal Share <strong>of</strong><br />

Annual<br />

Operations<br />

Costs d<br />

Page<br />

Reference<br />

CCAT<br />

- Science early 2020s<br />

- University-led, 33%<br />

federal share<br />

Submilimeter surveys<br />

enabling broad<br />

extragalactic,<br />

galactic, and outersolar-system<br />

science<br />

Medium $140M<br />

($37M)<br />

$7.5M 7-37<br />

a <strong>The</strong> survey’s construction-cost appraisal for CCAT is based on CATE analysis and project input, in FY2010 dollars.<br />

b <strong>The</strong> survey’s estimates <strong>of</strong> the schedule to first science are based on CATE analysis and project input.<br />

c <strong>The</strong> risk scale used was low, medium low, medium, medium high, and high.<br />

d <strong>The</strong> survey’s appraisal <strong>of</strong> operations costs, in FY2010 dollars, is based on project input.<br />

TABLE ES.3 Ground: Recommended Activities—Large Scale (Priority Order)<br />

Recommendation b<br />

Science<br />

Technical<br />

Risk c<br />

Appraisal <strong>of</strong> Costs<br />

Through Construction a<br />

(U.S. Federal Share<br />

2012-2021)<br />

Appraisal <strong>of</strong><br />

Annual<br />

Operations<br />

Costs d<br />

(U.S. Federal<br />

Share)<br />

Page<br />

Reference<br />

1. LSST<br />

- Science late 2010s<br />

- NSF/DOE<br />

2. Mid-Scale<br />

Innovations<br />

Program<br />

- Science mid-to-late<br />

2010s<br />

3. GSMT<br />

- Science mid 2020s<br />

- Immediate partner<br />

down-select for<br />

~25% federal share<br />

4. ACTA<br />

- Science early<br />

2020s<br />

- NSF/DOE; U.S.<br />

join European CTA<br />

Dark energy, dark<br />

matter, time-variable<br />

phenomena,<br />

supernovas, Kuiper belt<br />

and near-Earth objects<br />

Broad science; peerreviewed<br />

program for<br />

projects that fall<br />

between the NSF MRI<br />

and MREFC limits<br />

Studies <strong>of</strong> the earliest<br />

galaxies, galactic<br />

evolution, detection and<br />

characterization <strong>of</strong><br />

planetary systems<br />

Indirect detection <strong>of</strong><br />

dark matter, particle<br />

acceleration and AGN<br />

science<br />

Medium<br />

low<br />

$465M<br />

($421M)<br />

$42M<br />

($28M)<br />

PREPUBLICATION COPY—SUBJECT TO FURTHER EDITORIAL CORRECTION<br />

ES-5<br />

7-29<br />

N/A $93-200M 7-30<br />

Medium<br />

to<br />

Medium<br />

high<br />

Medium<br />

low<br />

$1.1B to $1.4B<br />

($257M - $350M)<br />

$400M<br />

($100M)<br />

$36M to $55M<br />

($9M to $14M)<br />

7-32<br />

Unknown 7-36<br />

a <strong>The</strong> survey’s construction-cost appraisals for LSST, GSMT, and ACTA are based on CATE analysis and project input, in<br />

FY2010 dollars; cost appraisals for the Mid-Scale Innovations Program augmentation are committee-generated and based on<br />

available community input. For GSMT the cost appraisals are $1.1 billion for GMT and $1.4 billion for TMT. Construction costs<br />

for GSMT could continue into the next decade, at levels up to $95 million for the federal share. <strong>The</strong> share for the U.S.<br />

government is shown in parentheses where different from the total.<br />

b <strong>The</strong> survey’s estimates <strong>of</strong> the schedule to first science are based on CATE analysis and project input.<br />

c <strong>The</strong> risk scale used was low, medium low, medium, medium high, and high.<br />

d <strong>The</strong> survey’s appraisals for operations costs, in FY2010 dollars, are based on project input. <strong>The</strong> committee did not analyze these<br />

estimates in detail. For GSMT the range in operations costs is based on estimates from GMT ($36 million) and TMT ($55<br />

million). <strong>The</strong> share for the U.S. government is shown in parentheses where different from the total.

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