|
gptkbp:instance_of
|
gptkb:galaxy
|
|
gptkbp:apparent_magnitude
|
8.4
|
|
gptkbp:associated_with
|
gptkb:Messier_81
|
|
gptkbp:body_shape
|
gptkb:active_galactic_nucleus
yes
|
|
gptkbp:contains
|
young stars
old stars
large amounts of gas and dust
|
|
gptkbp:contains_star
|
gptkb:NGC_3031
gptkb:NGC_3077
gptkb:NGC_2976
10 times that of the Milky Way
|
|
gptkbp:coordinates
|
RA 9h 55m 52.8s, Dec +14° 57′ 00″
|
|
gptkbp:diameter
|
approximately 11,000 light years
11,000 light years
approximately 37,000 light years
|
|
gptkbp:discovered_by
|
gptkb:Pierre_Méchain
gptkb:Johann_Elert_Bode
|
|
gptkbp:discovery_year
|
1774
|
|
gptkbp:distance_from_earth
|
12 million light years
|
|
gptkbp:exhibition
|
gptkb:Messier_Catalog
gptkb:Messier_catalogue
|
|
gptkbp:features
|
supernovae
dust lanes
starburst region
strong star formation
|
|
gptkbp:first_appearance
|
gptkb:William_Herschel
|
|
gptkbp:first_noted_by
|
gptkb:William_Herschel
|
|
gptkbp:has_dust_lane
|
yes
|
|
gptkbp:has_features
|
gptkb:spiral_galaxy
cigar-shaped
|
|
gptkbp:has_function
|
dust lanes
|
|
gptkbp:has_gas_outflow
|
yes
|
|
gptkbp:has_spectral_type
|
SAB(rs)bc
Sbc
SAB(s)cd
|
|
gptkbp:has_supernova
|
gptkb:SN_2014_J
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Messier 82
|
|
gptkbp:image
|
Hubble Space Telescope image available
|
|
gptkbp:interacts_with
|
gptkb:Messier_81
|
|
gptkbp:is_associated_with
|
gptkb:M81
|
|
gptkbp:is_known_for
|
its bright core
its elongated shape
high star formation rate
its dust lanes
supernovae events
|
|
gptkbp:is_located_at
|
Right Ascension 9h 55m 52.8s
Declination +14° 57′ 00″
|
|
gptkbp:is_observed_in
|
gptkb:Hubble_Space_Telescope
gptkb:X-rays
radio waves
visible light
infrared
|
|
gptkbp:is_part_of
|
gptkb:M81_Group
gptkb:M81_group_of_galaxies
gptkb:Local_Group
the Messier catalog
the Virgo Supercluster
the Laniakea Supercluster
the Local Supercluster
Hubble Space Telescope's deep field images
the M81 group of galaxies
|
|
gptkbp:is_popular_in
|
amateur astronomy
|
|
gptkbp:is_studied_for
|
gptkb:supernova_remnants
galaxy formation
starburst activity
black hole activity
galaxy evolution
|
|
gptkbp:is_studied_in
|
gptkb:astronomy
|
|
gptkbp:is_visible_from
|
gptkb:Earth
yes
northern hemisphere
southern hemisphere
|
|
gptkbp:known_as
|
gptkb:Cigar_Galaxy
gptkb:NGC_3034
|
|
gptkbp:located_in
|
constellation Ursa Major
Ursa Major constellation
|
|
gptkbp:mass
|
approximately 10 billion solar masses
|
|
gptkbp:notable_feature
|
gptkb:active_galactic_nucleus
elongated shape
high surface brightness
|
|
gptkbp:notable_galaxies
|
SB(s)cd
|
|
gptkbp:observational_type
|
gptkb:spiral_galaxy
|
|
gptkbp:part_of
|
gptkb:M81_group
gptkb:M81_Group
|
|
gptkbp:photography
|
gptkb:astronomy
|
|
gptkbp:redshift
|
0.0005
0.00068
|
|
gptkbp:research
|
requires dark skies for visibility
|
|
gptkbp:suburb
|
gptkb:Messier_81
|
|
gptkbp:type
|
gptkb:galaxy
cigar galaxy
|
|
gptkbp:bfsParent
|
gptkb:Ursa_Major
gptkb:Messier_catalog
|
|
gptkbp:bfsLayer
|
5
|