Spektr-RG observatory
E290067
The Spektr-RG observatory is a Russian-German space telescope mission designed to conduct an all-sky X-ray survey, particularly focused on studying galaxy clusters, black holes, and other high-energy cosmic phenomena.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Spektr-RG observatory canonical | 2 |
| Spektr-Röntgen-Gamma | 1 |
| eROSITA | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2706001 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Spektr-RG observatory Context triple: [Sun–Earth L2, usedBy, Spektr-RG observatory]
-
A.
Gaia observatory
The Gaia observatory is a European Space Agency space telescope designed to create the most precise 3D map of the Milky Way by measuring the positions, distances, and motions of over a billion stars.
-
B.
NuSTAR Nuclear Spectroscopic Telescope Array
NuSTAR (Nuclear Spectroscopic Telescope Array) is a space-based X-ray observatory that uses high-energy focusing optics to study black holes, neutron stars, supernova remnants, and other energetic cosmic phenomena.
-
C.
Nancy Grace Roman Space Telescope
The Nancy Grace Roman Space Telescope is a next-generation NASA observatory designed to study dark energy, exoplanets, and infrared astrophysics with a wide-field view of the universe.
-
D.
Planck spacecraft
The Planck spacecraft was a European Space Agency space observatory designed to study the cosmic microwave background radiation with unprecedented precision to improve our understanding of the early universe and cosmology.
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E.
Chandra X-ray Observatory
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Spektr-RG observatory Target entity description: The Spektr-RG observatory is a Russian-German space telescope mission designed to conduct an all-sky X-ray survey, particularly focused on studying galaxy clusters, black holes, and other high-energy cosmic phenomena.
-
A.
Gaia observatory
The Gaia observatory is a European Space Agency space telescope designed to create the most precise 3D map of the Milky Way by measuring the positions, distances, and motions of over a billion stars.
-
B.
NuSTAR Nuclear Spectroscopic Telescope Array
NuSTAR (Nuclear Spectroscopic Telescope Array) is a space-based X-ray observatory that uses high-energy focusing optics to study black holes, neutron stars, supernova remnants, and other energetic cosmic phenomena.
-
C.
Nancy Grace Roman Space Telescope
The Nancy Grace Roman Space Telescope is a next-generation NASA observatory designed to study dark energy, exoplanets, and infrared astrophysics with a wide-field view of the universe.
-
D.
Planck spacecraft
The Planck spacecraft was a European Space Agency space observatory designed to study the cosmic microwave background radiation with unprecedented precision to improve our understanding of the early universe and cosmology.
-
E.
Chandra X-ray Observatory
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
X-ray observatory
ⓘ
space observatory ⓘ space telescope ⓘ |
| abbreviation | SRG ⓘ |
| ART-XC_energyRange | 4–30 keV ⓘ |
| collaborationWith | Germany ⓘ |
| country | Russia ⓘ |
| developer |
Lavochkin design bureau
ⓘ
surface form:
Lavochkin Association
Max Planck Institute for Extraterrestrial Physics ⓘ Space Research Institute of RAS ⓘ
surface form:
Russian Academy of Sciences Space Research Institute (IKI)
|
| distanceFromEarth | approximately 1.5 million kilometers ⓘ |
| energyRange | 0.2–30 keV ⓘ |
| eROSITA_energyRange | 0.2–10 keV ⓘ |
| fullName |
Spektr-RG observatory
self-linksurface differs
ⓘ
surface form:
Spektr-Röntgen-Gamma
|
| instrument |
ART-XC
ⓘ
Spektr-RG observatory self-linksurface differs ⓘ
surface form:
eROSITA
|
| launchContractor | Khrunichev State Research and Production Space Center ⓘ |
| launchCountry | Kazakhstan ⓘ |
| launchDate | 2019-07-13 ⓘ |
| launchSite | Baikonur Cosmodrome ⓘ |
| launchVehicle |
Proton rocket
ⓘ
surface form:
Proton-M
|
| missionDomain |
astrophysics
ⓘ
cosmology ⓘ |
| missionPhase |
all-sky survey
ⓘ
pointed observations ⓘ |
| missionType | all-sky X-ray survey ⓘ |
| operator |
Max Planck Institute for Extraterrestrial Physics
ⓘ
Roscosmos ⓘ Russian Academy of Sciences ⓘ |
| orbit | halo orbit around Sun–Earth L2 point ⓘ |
| orbitType | Lagrange point orbit ⓘ |
| primaryScienceGoal |
map large-scale structure of the Universe
ⓘ
study galaxy clusters ⓘ study high-energy cosmic phenomena ⓘ study supermassive black holes ⓘ |
| scienceObjective |
constrain dark energy via galaxy cluster surveys
ⓘ
create deep X-ray all-sky map ⓘ study evolution of large-scale structure ⓘ |
| scienceTarget |
X-ray binaries
ⓘ
active galactic nuclei ⓘ galaxy clusters ⓘ hot intergalactic medium ⓘ neutron stars ⓘ supermassive black holes ⓘ supernova remnants ⓘ |
| status | operational (initial years after launch) ⓘ |
| surveyCoverage | entire sky ⓘ |
| surveyRepetitions | multiple all-sky scans ⓘ |
| telescopeCount | 2 ⓘ |
| wavelengthRange | X-ray ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Spektr-RG observatory Description of subject: The Spektr-RG observatory is a Russian-German space telescope mission designed to conduct an all-sky X-ray survey, particularly focused on studying galaxy clusters, black holes, and other high-energy cosmic phenomena.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Sun–Earth L2
subject surface form:
Spektr-RG
this entity surface form:
eROSITA
subject surface form:
Spektr-RG
this entity surface form:
Spektr-Röntgen-Gamma