Acquisition Efficiency¶

This page contains 3 requirements.

Page summary¶

Metric	Value
Total requirements	3
Status: Compliant	3
Verification: Design	3
Result: PASS	3

Requirements¶

NGPS-SCI-REQ-0510 — Elapsed time from the end of telescope slew until initiation of a science integ…¶

Field	Value
Identifier	NGPS-SCI-REQ-0510
Source	NGPS.SCI.DRD.001.docx
Source section	3.6
Category / request	Acquisition Efficiency
Importance	Must Have
Status	Compliant
Verification method	Design
Result	PASS

Requirement

Elapsed time from the end of telescope slew until initiation of a science integration shall be less than 120 seconds with a goal of 90 seconds.

Notes / verification evidence

90s req PASS in auto acq. mode

NGPS-SCI-REQ-0520 — In order to support NGPS-SCI-REQ-0510, the spectrograph shall have acquisition…¶

Field	Value
Identifier	NGPS-SCI-REQ-0520
Source	NGPS.SCI.DRD.001.docx
Source section	3.6
Category / request	Acquisition Efficiency
Importance	Must Have
Status	Compliant
Verification method	Design
Result	PASS

Requirement

In order to support NGPS-SCI-REQ-0510, the spectrograph shall have acquisition software capable of recognizing the star field of any area of the sky, calculate an astrometric solution, and apply offsets to the telescope pointing to center the desired target on the slit.

Notes / verification evidence

Two step method using both acam astrometry and scam feedback for fine tuning of centering

NGPS-SCI-REQ-0530 — The acquisition and guide system shall have a field of view shall be at least 2…¶

Field	Value
Identifier	NGPS-SCI-REQ-0530
Source	NGPS.SCI.DRD.001.docx
Source section	3.6
Category / request	Acquisition Efficiency
Importance	Must Have
Status	Compliant
Verification method	Design
Result	PASS

Requirement

The acquisition and guide system shall have a field of view shall be at least 2.5’ x 2.5’ (3’ x 3’ goal).

Notes / verification evidence

Slicecams cover 1’x1’. acam covers 4.4’x4.4’