Chandra X-ray Observatory

E79623

NASA space observatory X-ray observatory space telescope

The Chandra X-ray Observatory is a space-based telescope that observes high-energy X-ray emissions from hot regions of the universe, such as exploded stars, galaxy clusters, and matter around black holes.

Aliases (5)

AXAF ×1
Advanced X-ray Astrophysics Facility ×1
Chandra (selected data products) ×1
Chandra X-ray Observatory provides X-ray observations ×1
HETGS ×1

Statements (61)

Predicate	Object
instanceOf	NASA space observatory → X-ray observatory → space telescope →
acronymOfFormerName	Advanced X-ray Astrophysics Facility →
alsoKnownAs	AXAF →
angularResolution	0.5 arcseconds →
apogeeAltitude	≈133,000 km →
countryOfOrigin	United States →
dataArchive	Chandra Data Archive →
focalLength	10 m →
fundingAgency	NASA →
instrument	Advanced CCD Imaging Spectrometer → High Energy Transmission Grating Spectrometer → High Resolution Camera → Low Energy Transmission Grating Spectrometer →
instrumentAbbreviation	ACIS → HETGS → HRC → LETGS →
launchDate	1999-07-23 →
launchedBy	STS-93 →
launchPad	LC-39B →
launchSite	Kennedy Space Center →
launchVehicle	Space Shuttle Columbia →
manufacturer	TRW →
mass	≈4800 kg →
missionDurationExtended	indefinite →
missionDurationPlanned	5 years →
missionType	X-ray astronomy → astronomy →
namedAfter	Subrahmanyan Chandrasekhar →
notableObservation	X-ray emission from the center of the Milky Way → X-ray jets from quasars → detailed images of the Crab Nebula →
operatedBy	NASA Marshall Space Flight Center → Smithsonian Astrophysical Observatory →
operator	NASA →
orbitalPeriod	≈64 hours →
orbitClass	highly elliptical orbit →
orbitType	high Earth orbit →
perigeeAltitude	≈16,000 km →
power	≈2000 W →
predecessor	Einstein Observatory →
primaryMirrorDiameter	1.2 m →
program	NASA Great Observatories program →
relatedMission	Compton Gamma Ray Observatory → Hubble Space Telescope → Spitzer Space Telescope →
scientificObjective	observe high-energy X-ray emissions → study dark matter distribution in clusters → study galaxy clusters → study matter around black holes → study neutron stars → study supernova remnants →
spacecraftBus	TRW spacecraft bus →
spacecraftType	space telescope →
status	operational →
telescopeType	Wolter type I grazing-incidence telescope →
wavelengthRange	0.1–10 keV → X-ray →
website	https://chandra.harvard.edu/ →

Referenced by (12)

Subject (surface form when different)	Predicate
Great Observatories program → NASA spacecraft →	includes
NASA APD → NASA Astrophysics Division →	overseesMission
Chandra X-ray Observatory ("Advanced X-ray Astrophysics Facility") →	acronymOfFormerName
Chandra X-ray Observatory ("AXAF") →	alsoKnownAs
High Energy Astrophysics Science Archive Research Center ("Chandra (selected data products)") →	hostMissionArchive
Chandra X-ray Observatory ("HETGS") →	instrumentAbbreviation
Carina Nebula →	observedBy
Stephan's Quintet →	observedByTelescope
Spitzer Space Telescope →	relatedMission
Great Observatories program ("Chandra X-ray Observatory provides X-ray observations") →	telescopeRole