|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:bfsLayer
|
5
|
|
gptkbp:bfsParent
|
gptkb:Scutum_constellation
gptkb:Scutum
gptkb:the_Wild_Duck_Cluster
|
|
gptkbp:age
|
approximately 220 million years
|
|
gptkbp:apparent_magnitude
|
6.3
5.8
approximately 6.3
|
|
gptkbp:best_time_to_visit
|
summer months
|
|
gptkbp:capacity
|
gptkb:theorem
|
|
gptkbp:constellation
|
gptkb:theorem
none known
|
|
gptkbp:contains
|
gptkb:theorem
ongoing
approximately 290
|
|
gptkbp:coordinates
|
l=30.0°, b=-5.0°
|
|
gptkbp:declination
|
+6° 16′ 00″
-06° 16′ 00″
|
|
gptkbp:depicted_in
|
Southern Hemisphere
northern latitudes
|
|
gptkbp:diameter
|
approximately 25 light years
|
|
gptkbp:discovered_by
|
gptkb:Hermann_Goldschmidt
|
|
gptkbp:distance
|
11.5
approximately 6,000 light years
|
|
gptkbp:exhibition
|
gptkb:Messier_catalog
New General Catalogue (NGC)
|
|
gptkbp:first_appearance
|
1864
|
|
gptkbp:has_color
|
gptkb:theorem
B-V = 0.5
|
|
gptkbp:has_luminosity
|
gptkb:theorem
|
|
gptkbp:has_spectral_type
|
various
O, B, A, F, G, K, M
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Messier 11
|
|
gptkbp:includes
|
NGC catalog
|
|
gptkbp:is_associated_with
|
star clusters
|
|
gptkbp:is_considered
|
one of the best open clusters
|
|
gptkbp:is_known_for
|
gptkb:Wild_Duck_Cluster
|
|
gptkbp:is_located_near
|
the Galactic plane
|
|
gptkbp:is_observed_in
|
gptkb:Northern_Hemisphere
gptkb:William_Herschel
amateur astronomers
|
|
gptkbp:is_part_of
|
gptkb:Scutum_constellation
gptkb:Milky_Way_Galaxy
Milky Way open clusters
|
|
gptkbp:is_studied_in
|
stellar evolution
|
|
gptkbp:is_used_in
|
stellar dynamics studies
|
|
gptkbp:located_in
|
constellation Scutum
Galactic coordinates (l, b) = (30.0°, -2.0°)
|
|
gptkbp:mass
|
approximately 1,000 solar masses
|
|
gptkbp:metallicity
|
solar metallicity
|
|
gptkbp:notable_for
|
its high concentration of stars
|
|
gptkbp:notable_person
|
gptkb:NGC_6705
|
|
gptkbp:operating_hours
|
summer months
|
|
gptkbp:photography
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:research
|
observed since the 18th century
|
|
gptkbp:right_ascension
|
18h 51m 20s
|
|
gptkbp:type
|
gptkb:star
|
|
gptkbp:vision
|
gptkb:theorem
|
|
gptkbp:year_created
|
1864
|