Statements (79)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:nebula
|
gptkbp:bfsLayer |
4
|
gptkbp:bfsParent |
gptkb:Pictor
gptkb:Hydrus |
gptkbp:age |
approximately 5,000 years
|
gptkbp:analyzes |
its expansion rate
|
gptkbp:apparent_magnitude |
10.5
11.5 approximately 11.5 |
gptkbp:area |
about 0.5 light years
0.5 light years |
gptkbp:associated_with |
HD 64315
|
gptkbp:body_style |
bipolar structure
|
gptkbp:composed_of |
ionized gas
|
gptkbp:contains |
central star
|
gptkbp:declination |
-14° 50' 00"
|
gptkbp:depicted_in |
the southern hemisphere
with telescopes narrowband imaging best viewed with telescope |
gptkbp:discovered_by |
gptkb:William_Herschel
|
gptkbp:distance |
approximately 3,000 light years
3000 light years |
gptkbp:emissions_standard |
H-alpha
in its spectrum |
gptkbp:examines |
gptkb:musician
stellar dynamics |
gptkbp:exhibition |
gptkb:New_General_Catalogue
|
gptkbp:features |
ring structure
central star |
gptkbp:has_color |
blue-green
|
gptkbp:has_feature |
complex and asymmetric
|
gptkbp:has_spectral_type |
O-type star
|
https://www.w3.org/2000/01/rdf-schema#label |
NGC 2438
|
gptkbp:includes |
astronomical catalogs
|
gptkbp:is_analyzed_in |
chemical composition
its physical properties |
gptkbp:is_associated_with |
stellar winds
the open cluster M46 |
gptkbp:is_considered_as |
a significant astronomical object
a target for astrophysical research |
gptkbp:is_described_as |
astronomy literature
|
gptkbp:is_documented_in |
astronomical databases
|
gptkbp:is_known_for |
its ionized gas
|
gptkbp:is_located_near |
the center of the Milky Way
|
gptkbp:is_noted_for |
its intricate structure
its unique features its bright central star its role in stellar evolution research |
gptkbp:is_observed_in |
space telescopes
various wavelengths Hubble Space Telescope images astronomical events optical telescopes |
gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
the interstellar medium the study of cosmic phenomena the cosmic web the study of nebulae the planetary nebula catalog the planetary nebula phase of stellar evolution the Puppis constellation region |
gptkbp:is_related_to |
the late stages of stellar life
|
gptkbp:is_similar_to |
gptkb:NGC_2440
|
gptkbp:is_studied_in |
astrophysics
its light curves stellar evolution insights the context of galactic evolution its morphology and structure |
gptkbp:lighting |
high
|
gptkbp:located_in |
constellation Puppis
|
gptkbp:notable_feature |
central star
|
gptkbp:photography |
amateur astronomers
|
gptkbp:research |
gptkb:Photographer
|
gptkbp:right_ascension |
07h 38m 00s
|
gptkbp:scientific_classification |
a bright planetary nebula
|
gptkbp:size |
1.5 arcminutes
|
gptkbp:type |
gptkb:nebula
|
gptkbp:year_created |
1786
|