Statements (88)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:galaxy
|
gptkbp:apparent_magnitude |
approximately 8.4
|
gptkbp:body_shape |
gptkb:active_galactic_nucleus
active galactic nucleus (AGN) |
gptkbp:conducts_research_on |
galaxy evolution studies
|
gptkbp:contains |
gptkb:supernova_SN_1994_I
|
gptkbp:contains_star |
gptkb:NGC_5195
yes active star formation |
gptkbp:coordinates |
RA 13h 29m 52.7s, Dec +47° 11′ 42″
|
gptkbp:diameter |
approximately 76,000 light-years
|
gptkbp:discovered_by |
gptkb:Pierre_Méchain
|
gptkbp:discovery_year |
1773
|
gptkbp:distance_from_earth |
approximately 23 million light-years
|
gptkbp:exhibition |
gptkb:Messier_catalog
|
gptkbp:has_color |
B-V = 0.65
|
gptkbp:has_features |
interacting galaxy
spiral galaxy with a bar |
gptkbp:has_historical_significance |
one of the first galaxies identified as a spiral
first spiral galaxy identified |
gptkbp:has_relationship_with |
gptkb:NGC_5195
|
gptkbp:has_spectral_type |
SAB(rs)bc
Sbc |
gptkbp:has_supernova |
gptkb:SN_1994_I
at its center |
gptkbp:has_type |
gptkb:spiral_galaxy
|
https://www.w3.org/2000/01/rdf-schema#label |
Messier 51
|
gptkbp:included |
gptkb:the_New_General_Catalogue
various astronomical surveys New General Catalogue (NGC) |
gptkbp:interacts_with |
gptkb:NGC_5195
|
gptkbp:is_associated_with |
dark matter halo
the cosmic web the study of galaxy formation the starburst region |
gptkbp:is_located_in |
constellation Canes Venatici
|
gptkbp:is_notable_for |
its interaction with NGC 5195
its beautiful spiral structure |
gptkbp:is_observed_in |
the northern hemisphere
various wavelengths radio telescopes radio wavelengths optical telescopes |
gptkbp:is_part_of |
gptkb:Messier_catalog
gptkb:the_Local_Group local group of galaxies the Virgo Supercluster the field of extragalactic astronomy the study of cosmic evolution the Laniakea Supercluster the field of observational cosmology the Messier 51 group the Hubble Sequence the Messier catalog of nebulae and star clusters |
gptkbp:is_popular_in |
amateur astronomy
|
gptkbp:is_studied_for |
star formation rates
galaxy interactions its structure and dynamics its gravitational interactions its stellar population its gas and dust content |
gptkbp:is_studied_in |
gptkb:astronomy
|
gptkbp:is_visible_from |
gptkb:Earth
gptkb:Seimas northern hemisphere small telescopes with amateur telescopes spring months star charts. |
gptkbp:known_as |
gptkb:Whirlpool_Galaxy
|
gptkbp:lighting |
approximately 23.5 mag/arcsec²
low surface brightness |
gptkbp:located_in |
constellation Canes Venatici
|
gptkbp:members |
gptkb:M51_Group
|
gptkbp:notable_feature |
spiral arms
prominent spiral arms |
gptkbp:notable_galaxies |
SA(s)bc
Sc |
gptkbp:photography |
gptkb:Hubble_Space_Telescope
|
gptkbp:previous_name |
gptkb:Whirlpool_Galaxy
|
gptkbp:redshift |
0.0014
approximately 0.0015 |
gptkbp:targets |
exoplanet searches
deep-sky observations |
gptkbp:type |
gptkb:spiral_galaxy
|
gptkbp:bfsParent |
gptkb:The_Whirlpool_Galaxy
gptkb:Messier_catalog |
gptkbp:bfsLayer |
5
|