Statements (45)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:galaxy
|
| gptkbp:age |
over 10 billion years
|
| gptkbp:contains |
gptkb:Messier_81
gptkb:Messier_82 M81 is a spiral galaxy M82 is a starburst galaxy active star formation in M82 |
| gptkbp:coordinates |
RA 9h 55m 33s, Dec +69° 3′ 55″
|
| gptkbp:cultural_significance |
featured in various astronomical studies
|
| gptkbp:diameter |
approximately 100,000 light years
|
| gptkbp:discovered_by |
gptkb:Johann_Elert_Bode
|
| gptkbp:distance |
12 million light years from Earth
approximately 12 million light years |
| gptkbp:has_feature |
can be observed with amateur telescopes
|
| gptkbp:has_luminosity |
SN 2014 J in M82
|
| gptkbp:has_spectral_type |
M81 is classified as SA(s)bc
M82 is classified as IB(s)0 |
| gptkbp:has_version |
contains at least 20 other galaxies
|
| https://www.w3.org/2000/01/rdf-schema#label |
M81-M82 system
|
| gptkbp:interacts_with |
tidal interaction
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
visible in small telescopes observed since the 18th century |
| gptkbp:lighting |
M81 has a magnitude of 6.9
M82 has a magnitude of 8.4 |
| gptkbp:located_in |
Ursa Major constellation
|
| gptkbp:mass |
approximately 10^12 solar masses
|
| gptkbp:members |
part of the M81 group
|
| gptkbp:motto |
captured in various astronomical images
|
| gptkbp:notable_feature |
starburst activity in M82
spiral structure of M81 |
| gptkbp:notable_products |
M81 contains a supermassive black hole
M82 has a prominent dust lane |
| gptkbp:part_of |
gptkb:M81_group_of_galaxies
|
| gptkbp:redshift |
0.0035
|
| gptkbp:relationship |
M81 and M82 are gravitationally interacting
|
| gptkbp:research_focus |
important for studying galaxy evolution
used to study dark matter used to study cosmic star formation rates used to study galaxy mergers used to study the evolution of galaxies over time used to study the effects of interactions on galaxy morphology |
| gptkbp:type |
interacting galaxies
|
| gptkbp:bfsParent |
gptkb:M82
|
| gptkbp:bfsLayer |
4
|