Properties (49)
Predicate | Object |
---|---|
gptkbp:instanceOf |
globular cluster
|
gptkbp:age |
approximately 10 billion years
|
gptkbp:contains |
several variable stars
|
gptkbp:established |
gptkb:Pierre_Méchain
|
gptkbp:exhibits |
Messier catalog
|
gptkbp:firstPublished |
William Herschel
|
gptkbp:hasFacilities |
approximately 100,000 solar masses
|
gptkbp:hasFilm |
19h 53m 24s, +18° 43′ 00″
|
gptkbp:hasRecognition |
8.0
|
gptkbp:hasSibling |
approximately 50,000 stars
|
gptkbp:hasVariants |
+18° 43′ 00″
|
https://www.w3.org/2000/01/rdf-schema#label |
Messier 71
|
gptkbp:isAccessibleBy |
gptkb:Earth
|
gptkbp:isAssociatedWith |
the_Galactic_halo
|
gptkbp:isConsidered |
a candidate for further study
|
gptkbp:isFiledIn |
B-V = 0.95
|
gptkbp:isFoundIn |
the_Milky_Way's_outer_regions
|
gptkbp:isLocatedIn |
astronomical literature
right_ascension_19h_53m_24s,_declination_+18°_43′_00″ |
gptkbp:isLocatedNear |
the_constellation_Cygnus
|
gptkbp:isNotedFor |
its low density of stars
its faintness compared to other globular clusters its low concentration of stars its unique star formation history its unusual morphology |
gptkbp:isPartOf |
Milky Way galaxy
the Milky Way halo the_Local_Group the_Galactic_bulge the_Messier_series |
gptkbp:isServedBy |
gptkb:Hubble_Space_Telescope
amateur telescopes summer months in the northern hemisphere various wavelengths including optical and infrared. |
gptkbp:isStudiedIn |
stellar dynamics
its stellar population dynamics |
gptkbp:isUsedFor |
type II globular cluster
|
gptkbp:isUsedIn |
stellar evolution studies
|
gptkbp:isUtilizedIn |
northern hemisphere
various astronomical surveys |
gptkbp:legalStatus |
19h 53m 24s
|
gptkbp:length |
approximately 13,000 light years
|
gptkbp:locatedIn |
constellation_Sagitta
|
gptkbp:naturalResources |
-0.5 dex
|
gptkbp:releaseYear |
July 31, 1780
|
gptkbp:scope |
NGC 6838
|
gptkbp:size |
approximately 100 light years in diameter
|
gptkbp:tastingNotes |
often considered a loose globular cluster
|
gptkbp:type |
globular cluster
|