Statements (55)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:galaxy
|
gptkbp:apparent_magnitude |
13.5
|
gptkbp:associated_with |
other galaxies in the vicinity
|
gptkbp:community_engagement |
popular target for amateur astronomers
|
gptkbp:constellation |
contains several star clusters
|
gptkbp:contains |
0.5 solar masses per year
|
gptkbp:coordinates |
RA 12h 43m 36s, Dec +32° 25' 24"
|
gptkbp:declination |
+32° 25' 24"
|
gptkbp:diameter |
approximately 100,000 light-years
|
gptkbp:discovered_by |
gptkb:Hermann_Kobold
|
gptkbp:distance |
approximately 20 million light-years
approximately 31.5 |
gptkbp:exhibition |
gptkb:NGC
gptkb:New_General_Catalogue |
gptkbp:features |
interacting galaxy
|
gptkbp:future_plans |
will continue to evolve due to interactions
|
gptkbp:has_feature |
spiral with irregular features
|
gptkbp:has_luminosity |
approximately 10^10 L☉
|
gptkbp:has_spectral_type |
SAB(rs)cd
|
https://www.w3.org/2000/01/rdf-schema#label |
NGC 4656
|
gptkbp:image |
Hubble Space Telescope image
|
gptkbp:interacts_with |
gravitational interaction
|
gptkbp:is_known_for |
Arp 322
|
gptkbp:is_observed_in |
various amateur astronomers
|
gptkbp:lighting |
low surface brightness
has a complex light curve due to interactions |
gptkbp:located_in |
constellation Canes Venatici
|
gptkbp:mass |
approximately 10^11 solar masses
contains young and old stars |
gptkbp:members |
NGC 4656/ NGC 4657 group
part of the Canes Venatici I group |
gptkbp:notable_feature |
tidal tails
|
gptkbp:notable_for |
noted for its peculiar shape
|
gptkbp:notable_work |
studied for galaxy evolution
|
gptkbp:redshift |
0.0015
indicates expansion of the universe |
gptkbp:research |
observed in various wavelengths
difficult to observe due to low brightness has been analyzed spectroscopically observed in the 19th century observed with various telescopes |
gptkbp:research_focus |
important for understanding galaxy interactions
|
gptkbp:resolution |
high-quality images available from HST
|
gptkbp:right_ascension |
12h 43m 36.0s
|
gptkbp:scientific_classification |
S Bc galaxy
interacting spiral galaxy |
gptkbp:storage |
has been studied for photometric properties
|
gptkbp:type |
gptkb:galaxy
|
gptkbp:universe |
gptkb:NGC_4657
dynamics influenced by nearby galaxies formed through hierarchical merging presence of dark matter inferred from dynamics |
gptkbp:year_created |
1886
|
gptkbp:bfsParent |
gptkb:Canes_Venatici
|
gptkbp:bfsLayer |
4
|