Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 13 billion years
|
| gptkbp:apparent_magnitude |
6.9
|
| gptkbp:contains |
millions of stars
|
| gptkbp:contains_star |
yes
type II |
| gptkbp:declination |
-24° 05′ 00″
|
| gptkbp:discovered_by |
gptkb:Charles_Messier
|
| gptkbp:discovery_year |
gptkb:1764
|
| gptkbp:distance_from_earth |
17,500 light years
|
| gptkbp:has_color |
B-V = 0.95
|
| gptkbp:has_radius |
about 4.5 arcminutes
about 2.5 arcminutes |
| https://www.w3.org/2000/01/rdf-schema#label |
M28
|
| gptkbp:is_part_of |
gptkb:Messier_catalog
gptkb:Milky_Way_Galaxy |
| gptkbp:is_visible_from |
naked eye under dark skies
|
| gptkbp:lighting |
about 13.5 mag/arcmin²
|
| gptkbp:located_in |
constellation Sagittarius
|
| gptkbp:mass |
approximately 100,000 solar masses
|
| gptkbp:metallicity |
[ Fe/ H] = -1.07
|
| gptkbp:population_density |
high
|
| gptkbp:right_ascension |
18h 24m 30s
|
| gptkbp:type |
gptkb:star
|
| gptkbp:bfsParent |
gptkb:Sagittarius
gptkb:Demonic_Tutor gptkb:Vampiric_Tutor |
| gptkbp:bfsLayer |
5
|