Statements (57)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:bfsLayer |
4
|
gptkbp:bfsParent |
gptkb:Eccles,_Greater_Manchester
gptkb:Demonic_Tutor gptkb:Vampiric_Tutor |
gptkbp:age |
approximately 13 billion years
|
gptkbp:apparent_magnitude |
6.9
|
gptkbp:associated_with |
gptkb:Milky_Way_Galaxy
|
gptkbp:contains |
variable stars
millions of stars |
gptkbp:declination |
-23° 10′ 24″
|
gptkbp:discovered_by |
Carlo Emilio Bonifazio Morando
|
gptkbp:distance |
approximately 28,000 light years
|
gptkbp:exhibition |
gptkb:Messier_30
|
gptkbp:has |
multiple stellar populations
blue straggler stars a core radius of about 1.5 arcminutes |
gptkbp:has_spectral_type |
various
|
https://www.w3.org/2000/01/rdf-schema#label |
M30
|
gptkbp:image |
1950s
|
gptkbp:is |
a target for future space missions
a target for astrophysical studies a candidate for dark matter studies a key object in the study of galaxy formation a popular object for amateur astronomers a prominent feature in star maps a site of stellar evolution research a source of X-ray binaries a subject of spectroscopic studies visible to the naked eye under dark skies a subject of photometric studies part of the Messier catalog a reference point for distance measurements in astronomy a benchmark for globular cluster models a part of the Local Group of galaxies a part of the Milky Way's globular cluster system a subject of historical astronomical observations a subject of theoretical astrophysics research a target for deep-sky photography located in the southern celestial hemisphere often studied for its stellar dynamics one of the oldest known globular clusters a significant object in the study of stellar populations. |
gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
|
gptkbp:is_part_of |
Galactic halo
|
gptkbp:located_in |
constellation Capricornus
|
gptkbp:mass |
approximately 1.5 x 10^5 solar masses
|
gptkbp:metallicity |
[ Fe/ H] = -1.5
|
gptkbp:notable_feature |
central density peak
|
gptkbp:notable_for |
high concentration of stars
|
gptkbp:objective |
gptkb:NGC_7099
|
gptkbp:research |
high stellar density
|
gptkbp:right_ascension |
21h 40m 22.0s
|
gptkbp:scientific_classification |
gptkb:star
|
gptkbp:type |
gptkb:star
spherical star cluster |
gptkbp:year_created |
gptkb:1764
|