Statements (100)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:open_cluster
gptkb:Nebula_Award gptkb:star |
gptkbp:age |
approximately 1 million years
around 1 million years few million years |
gptkbp:apparent_magnitude |
6.0
approximately 6.0 |
gptkbp:appears_in |
astronomy literature
|
gptkbp:associated_with |
gptkb:star
star formation regions open cluster NGC 6618 the Sagittarius constellation |
gptkbp:color |
red due to hydrogen emission
|
gptkbp:contains |
young stars
gas and dust dense gas and dust |
gptkbp:contains_star |
young stars
|
gptkbp:declination |
-24° 23' 30"
-14° 30' 00" |
gptkbp:diameter |
approximately 15 light years
approximately 20 light years about 20 light years |
gptkbp:discovered_by |
gptkb:Jean_Philippe_Loys_de_Chéseaux
gptkb:John_Herschel |
gptkbp:discovery_year |
1746
1834 |
gptkbp:distance_from_earth |
approximately 4,000 light years
|
gptkbp:emissions_standard |
H-alpha emission
|
gptkbp:exhibition |
gptkb:New_General_Catalogue
gptkb:Messier_catalog various astronomical catalogs |
gptkbp:features |
gptkb:star
bright nebulae |
gptkbp:has |
complex structure
multiple bright stars |
gptkbp:has_spectral_type |
various types
B-type stars various types of stars |
https://www.w3.org/2000/01/rdf-schema#label |
NGC 6618
|
gptkbp:image |
Hubble Space Telescope image available
|
gptkbp:is_associated_with |
H II regions
the Lagoon Nebula (M8) the star cluster NGC 6618 |
gptkbp:is_considered |
one of the brightest nebulae
|
gptkbp:is_explored_in |
space telescopes
|
gptkbp:is_home_to |
multiple star systems
|
gptkbp:is_known_for |
gptkb:its_beauty
its rich star formation activity |
gptkbp:is_located_at |
declination -16° 11' 0"
right ascension 18h 20m 30s galactic coordinates (l, b) |
gptkbp:is_located_near |
gptkb:Messier_8
the Trifid Nebula (M20) |
gptkbp:is_mentioned_in |
astronomy literature
|
gptkbp:is_noted_for |
its beauty in images
its bright emission nebula |
gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
various wavelengths infrared wavelengths |
gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
gptkb:Milky_Way_Galaxy the Milky Way's spiral arms the Scutum-Centaurus Arm the larger star-forming region the larger structure of the Milky Way the star-forming region the larger star-forming region known as the Omega Nebula |
gptkbp:is_popular_in |
amateur astronomy
|
gptkbp:is_related_to |
other star clusters
|
gptkbp:is_studied_for |
stellar evolution
|
gptkbp:is_studied_in |
astrophysics
astrophysicists |
gptkbp:is_visible_from |
gptkb:Earth
yes southern hemisphere small telescopes with binoculars small telescope summer months in the Northern Hemisphere |
gptkbp:known_as |
gptkb:Messier_17
the Lagoon Nebula cluster |
gptkbp:lighting |
magnitude 6.0
magnitude 8.5 |
gptkbp:located_in |
constellation Sagittarius
|
gptkbp:mass |
about 1,000 solar masses
|
gptkbp:notable_person |
several young massive stars
|
gptkbp:part_of |
gptkb:the_Lagoon_Nebula
gptkb:star |
gptkbp:photography |
gptkb:astronomy
amateur astronomers |
gptkbp:research |
telescopes
|
gptkbp:right_ascension |
18h 24m 10s
18h 25m 30s |
gptkbp:significance |
important for studying stellar evolution
|
gptkbp:type |
gptkb:open_cluster
gptkb:Nebula_Award gptkb:region |
gptkbp:bfsParent |
gptkb:Messier_24
|
gptkbp:bfsLayer |
7
|