Statements (89)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:galaxy
|
| gptkbp:apparent_magnitude |
9.6
|
| gptkbp:body_shape |
gptkb:active_galactic_nucleus
yes active nucleus |
| gptkbp:contains_star |
active
yes few approximately 2.5 solar masses per year NGC 6946-1 NGC 6946-2 NGC 6946-3 NGC 6946-4 NGC 6946-5 |
| gptkbp:coordinates |
yes
20h 34m 32.0s, +60° 09′ 14″ RA 20h 34m 32s, Dec +60° 09′ 14″ |
| gptkbp:cultural_references |
featured in documentaries
|
| gptkbp:current_club |
no
|
| gptkbp:diameter |
approximately 100,000 light-years
|
| gptkbp:discovered_by |
gptkb:Edwin_Hubble
gptkb:Edward_Pigott |
| gptkbp:discovery_year |
1798
1895 |
| gptkbp:distance_from_earth |
approximately 10 million light-years
|
| gptkbp:educational_value |
used in astronomy education
|
| gptkbp:emergency_services |
yes
|
| gptkbp:features |
multiple supernovae
|
| gptkbp:foot |
yes
|
| gptkbp:has_active_star_formation |
yes
|
| gptkbp:has_ahistory_of |
yes
HII region 1 HII region 2 HII region 3 HII region 4 HII region 5 |
| gptkbp:has_astrophysical_models |
used for simulations
|
| gptkbp:has_astrophysical_research |
ongoing studies on its properties
|
| gptkbp:has_color |
B-V = 0.65
|
| gptkbp:has_cosmological_importance |
helps understand galaxy formation
|
| gptkbp:has_features |
SA(s)cd
|
| gptkbp:has_galaxy_interactions |
none known
|
| gptkbp:has_historical_significance |
site of multiple supernovae events
|
| gptkbp:has_image_data |
available from various telescopes
|
| gptkbp:has_observation_tools |
observed with telescopes and binoculars
|
| gptkbp:has_publications |
numerous scientific papers
|
| gptkbp:has_spectral_type |
SAB(rs)cd
late-type galaxy |
| gptkbp:has_spectroscopy_data |
available for analysis
|
| gptkbp:has_supernova |
gptkb:SN_2017eaw
gptkb:SN_2004et gptkb:SN_2021hiz yes SN 1968 D SN 2020tlf |
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 6946
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
observed since 19th century |
| gptkbp:is_part_of |
gptkb:Local_Group
gptkb:Virgo_Supercluster |
| gptkbp:is_visible_from |
yes
visible in northern hemisphere |
| gptkbp:known_as |
Fireworks Galaxy
|
| gptkbp:lighting |
high
variable brightness observed |
| gptkbp:located_in |
constellation Cepheus
|
| gptkbp:mass |
approximately 10^11 solar masses
approximately 100 billion solar masses young and old stars |
| gptkbp:metallicity |
solar metallicity
|
| gptkbp:notable_feature |
prominent dust lanes
high surface brightness bright star-forming regions multiple supernovae well-defined spiral structure prominent spiral structure |
| gptkbp:notable_galaxies |
Scd
NGC 6939, NGC 6951 |
| gptkbp:population_density |
high
|
| gptkbp:public_interest |
popular among amateur astronomers
|
| gptkbp:redshift |
0.0023
|
| gptkbp:research_interest |
active area of study in astronomy
|
| gptkbp:spacecraft |
rich in gas and dust
|
| gptkbp:storage |
available in various wavelengths
|
| gptkbp:type |
gptkb:spiral_galaxy
|
| gptkbp:bfsParent |
gptkb:Cepheus_constellation
gptkb:Cepheus gptkb:Ursa_Minor |
| gptkbp:bfsLayer |
5
|