Fine Guidance Sensor

E59347

James Webb Space Telescope instrument astronomical instrument guidance sensor

The Fine Guidance Sensor is a high-precision pointing and stabilization instrument on the James Webb Space Telescope that locks onto guide stars to keep the observatory accurately aimed during observations.

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All labels observed (1)

Label	Occurrences
Fine Guidance Sensor canonical	8

Statements (48)

Predicate	Object
instanceOf	James Webb Space Telescope instrument ⓘ astronomical instrument ⓘ guidance sensor ⓘ
acronymExpansion	Fine Guidance Sensor self-link ⓘ
alsoKnownAs	FGS ⓘ
contributesTo	pointing stability of James Webb Space Telescope ⓘ
countryOfOrigin	Canada ⓘ
dataUsedBy	attitude control system ⓘ
detectorArraySize	2048 x 2048 pixels ⓘ
detectorType	HgCdTe infrared detector ⓘ
developedBy	COM DEV International ⓘ Canadian Space Agency ⓘ Honeywell ⓘ surface form: Honeywell Aerospace
developedFor	NASA ⓘ
enables	high-precision imaging ⓘ long-exposure observations ⓘ stable spectroscopy ⓘ
fieldOfView	approximately 2.4 arcminutes by 2.4 arcminutes ⓘ
firstLightDate	2022-02 ⓘ
guidingMode	can track guide stars during telescope slews ⓘ locks onto single guide star ⓘ
launchDate	2021-12-25 ⓘ
launchSite	Guiana Space Centre ⓘ
launchVehicle	Ariane 5 ECA ⓘ
locatedOn	integrated science instrument module ⓘ
manufacturer	Honeywell ⓘ surface form: Honeywell Aerospace
mission	James Webb Space Telescope ⓘ surface form: James Webb Space Telescope mission
operatedBy	Space Telescope Science Institute ⓘ
operationalTemperature	approximately 40 kelvin ⓘ
orbit	Sun–Earth L2 halo orbit ⓘ
partOf	James Webb Space Telescope ⓘ
pointingAccuracy	better than 5 milliarcseconds ⓘ
primaryFunction	attitude control support ⓘ fine guidance ⓘ high-precision pointing ⓘ stabilization ⓘ
provides	attitude measurements ⓘ fine pointing information ⓘ
roleInAttitudeControl	provides fine pointing error signals to attitude control system ⓘ
sharesModuleWith	Near Infrared Imager and Slitless Spectrograph ⓘ surface form: Near-Infrared Imager and Slitless Spectrograph
spacecraft	James Webb Space Telescope ⓘ
status	operational ⓘ
supports	all JWST science instruments ⓘ
supportsObservationModes	imaging ⓘ spectroscopy ⓘ time-series observations ⓘ
uses	guide stars ⓘ
wavelengthRange	0.8 to 5.0 micrometres ⓘ

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

James Webb Space Telescope → instrumentType → Fine Guidance Sensor ⓘ

FGS/NIRISS → hasComponent → Fine Guidance Sensor ⓘ

Fine Guidance Sensor → acronymExpansion → Fine Guidance Sensor self-link ⓘ

Near Infrared Imager and Slitless Spectrograph → collocatedWith → Fine Guidance Sensor ⓘ

Near Infrared Imager and Slitless Spectrograph → sharesHardwareWith → Fine Guidance Sensor ⓘ

JWST Integrated Science Instrument Module → contains → Fine Guidance Sensor ⓘ

JWST Integrated Science Instrument Module → supportsSubsystem → Fine Guidance Sensor ⓘ

integrated science instrument module → containsInstrument → Fine Guidance Sensor ⓘ

subject surface form: Integrated Science Instrument Module