Statements (87)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:galaxy
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Cepheus_constellation
|
| gptkbp:analyzes |
observed with telescopes and binoculars
|
| gptkbp:apparent_magnitude |
9.6
|
| gptkbp:body_style |
gptkb:physicist
gptkb:battle active nucleus |
| gptkbp:community_engagement |
popular among amateur astronomers
|
| gptkbp:contains |
gptkb:battle
active 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 |
gptkb:battle
20h 34m 32.0s, +60° 09′ 14″ RA 20h 34m 32s, Dec +60° 09′ 14″ |
| gptkbp:cultural_references |
featured in documentaries
|
| gptkbp:depicted_in |
gptkb:battle
visible in northern hemisphere |
| gptkbp:diameter |
approximately 100,000 light-years
|
| gptkbp:discovered_by |
gptkb:Edwin_Hubble
gptkb:Edward_Pigott |
| gptkbp:distance |
approximately 10 million light-years
|
| gptkbp:education |
used in astronomy education
|
| gptkbp:emergency_services |
gptkb:battle
|
| gptkbp:features |
multiple supernovae
|
| gptkbp:foot |
gptkb:battle
|
| gptkbp:formed |
gptkb:battle
|
| gptkbp:has_ahistory_of |
gptkb:battle
HII region 1 HII region 2 HII region 3 HII region 4 HII region 5 |
| gptkbp:has_color |
B-V = 0.65
|
| gptkbp:has_feature |
SA(s)cd
|
| gptkbp:has_luminosity |
gptkb:SN_2017eaw
gptkb:SN_2004et gptkb:SN_2021hiz gptkb:battle SN 1968 D SN 2020tlf |
| gptkbp:has_spectral_type |
SAB(rs)cd
late-type galaxy |
| gptkbp:has_website |
available for analysis
|
| gptkbp:historical_significance |
site of multiple supernovae events
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 6946
|
| gptkbp:image |
available from various telescopes
|
| gptkbp:is_known_for |
Fireworks Galaxy
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
observed since 19th century |
| gptkbp:is_part_of |
gptkb:Local_Group
gptkb:Virgo_Supercluster |
| 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_models |
used for simulations
Scd NGC 6939, NGC 6951 |
| gptkbp:population |
high
|
| gptkbp:propulsion |
rich in gas and dust
|
| gptkbp:publishes |
numerous scientific papers
|
| gptkbp:redshift |
0.0023
|
| gptkbp:research |
ongoing studies on its properties
|
| gptkbp:research_interest |
active area of study in astronomy
|
| gptkbp:storage |
available in various wavelengths
|
| gptkbp:type |
gptkb:galaxy
|
| gptkbp:universe |
none known
helps understand galaxy formation |
| gptkbp:year_created |
1798
1895 |
| gptkbp:youth_club |
gptkb:battle
|