Properties (45)
Predicate | Object |
---|---|
gptkbp:instanceOf |
globular cluster
|
gptkbp:contains |
gptkb:blue_stragglers
variable stars |
gptkbp:diameter |
approximately 80 light years
|
gptkbp:established |
Caroline Herschel
|
gptkbp:firstSeason |
gptkb:Messier_Catalog
|
gptkbp:has |
multiple stellar populations
high stellar density a central black hole a rich history of observations core collapse |
gptkbp:hasRecognition |
6.9
|
gptkbp:hasVariants |
+24° 53′ 00″
|
https://www.w3.org/2000/01/rdf-schema#label |
Messier 30
|
gptkbp:is |
a target for future space missions
a subject of many scientific papers a target for astrophysical studies a benchmark for stellar dynamics models a candidate for dark matter studies a classic example of a globular cluster a key object in the study of galaxy formation a member of the Milky Way halo a popular object for amateur astronomers a prominent feature in star maps a reference point for cosmological studies a site of stellar evolution studies a source of X-ray binaries a source of gravitational wave events a subject of public interest in astronomy a subject of spectroscopic studies a target for photometric studies one of the oldest globular clusters |
gptkbp:isAccessibleBy |
gptkb:Earth
autumn |
gptkbp:isLocatedNear |
the_Galactic_Center
|
gptkbp:isPartOf |
Milky Way Galaxy
|
gptkbp:legalStatus |
21h 40m 22s
|
gptkbp:length |
28,000 light years
|
gptkbp:locatedIn |
constellation Capricornus
|
gptkbp:naturalResources |
[Fe/H] = -1.5
|
gptkbp:previouslyKnownAs |
NGC 7099
|
gptkbp:releaseYear |
1764
|
gptkbp:type |
Type II globular cluster
|
gptkbp:visitedBy |
gptkb:Hubble_Space_Telescope
|
gptkbp:weight |
approximately 100,000 solar masses
|