Statements (172)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:galaxy
gptkb:star |
| gptkbp:bfsLayer |
3
|
| gptkbp:bfsParent |
gptkb:galaxy
|
| gptkbp:apparent_magnitude |
8.4
|
| gptkbp:body_style |
gptkb:physicist
gptkb:battle active star formation cigar-shaped |
| gptkbp:composed_of |
varied metallicity
|
| gptkbp:contains |
gptkb:galaxy
gptkb:M81 gptkb:M81_Group numerous young stars many globular clusters 10 times that of the Milky Way numerous young star clusters young massive stars 10 solar masses per year superbubbles active star formation history numerous star formation regions |
| gptkbp:coordinates |
l = 140.0°, b = 60.0°
|
| gptkbp:declination |
+69° 40' 47"
|
| gptkbp:depicted_in |
gptkb:battle
optical wavelengths with binoculars with small telescopes |
| gptkbp:diameter |
approximately 11,000 light years
11,000 light years approximately 37,000 light-years 37,000 light-years |
| gptkbp:discovered_by |
gptkb:Hermann_von_Helmholtz
gptkb:William_Herschel |
| gptkbp:distance |
12 million light-years
12 million light years |
| gptkbp:exhibition |
gptkb:Messier_catalog
|
| gptkbp:exhibits |
strong infrared emission
|
| gptkbp:features |
strong infrared emissions
|
| gptkbp:formed |
gptkb:theorem
|
| gptkbp:has |
gptkb:interstellar_medium
supernovae star clusters a complex structure high surface brightness HII regions outflows of gas a prominent dust lane a variety of stellar populations a prominent central bulge a complex star formation history a high luminosity in the infrared spectrum a high metallicity in its star-forming regions a high rate of star formation activity a high rate of supernova explosions a large number of blue supergiants a significant amount of dust and gas a significant amount of molecular gas a significant amount of stellar mass loss a significant population of Wolf-Rayet stars a unique morphology due to interactions with M81 a unique star formation environment numerous star-forming regions a high concentration of star formation in its central region |
| gptkbp:has_color |
gptkb:blue
B-V = 0.5 B-V = 0.8 B-V: 0.5 |
| gptkbp:has_community |
prominent dust lane
|
| gptkbp:has_feature |
gptkb:galaxy
cylindrical shape prominent dust lane cigar-shaped |
| gptkbp:has_friend |
gptkb:M81
|
| gptkbp:has_influence_on |
on nearby galaxies
|
| gptkbp:has_luminosity |
gptkb:SN_2014_J
approximately 100 times that of the Milky Way |
| gptkbp:has_spectral_type |
SAB(rs)bc
Sbc S0 I Bm |
| gptkbp:historical_significance |
notable for supernova observations
|
| https://www.w3.org/2000/01/rdf-schema#label |
M82
|
| gptkbp:interacts_with |
gptkb:M81
|
| gptkbp:is |
a galaxy that has been observed in various wavelengths
one of the brightest galaxies in the sky a site of intense star formation a popular target for astronomers a galaxy that contributes to our understanding of cosmic evolution a target for studying the effects of galactic winds a subject of interest for studying galaxy interactions a galaxy that has been extensively mapped in radio frequencies a galaxy with a high star formation efficiency a key object in understanding starburst phenomena a member of the M81 group of galaxies a prototype of starburst galaxies a subject of many astrophysical studies an example of a galaxy undergoing rapid evolution edge-on galaxy often compared to the Milky Way in studies often referred to as the Cigar Galaxy often studied in relation to galaxy evolution a galaxy that has undergone significant morphological changes visible in both optical and radio wavelengths a galaxy that exhibits signs of gravitational interactions a galaxy that provides insights into the lifecycle of galaxies. |
| gptkbp:is_affected_by |
tidal interactions
interactions with M81 |
| gptkbp:is_associated_with |
cosmic rays
starburst activity |
| gptkbp:is_known_for |
gptkb:Cigar_Galaxy
its elongated shape intense star formation starburst phenomenon |
| gptkbp:is_located_near |
gptkb:M81
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
Hubble Space Telescope images radio wavelengths infrared wavelengths observed in infrared |
| gptkbp:is_part_of |
gptkb:Laniakea_Supercluster
gptkb:M81-M82_system gptkb:M81_group gptkb:M81_Group gptkb:M81_group_of_galaxies gptkb:Local_Group gptkb:Local_Group_of_galaxies large scale structure of the universe M81 constellation |
| gptkbp:is_studied_in |
gptkb:spacecraft
gptkb:observatory astrophysics galaxy evolution |
| gptkbp:is_used_in |
galaxy formation studies
|
| gptkbp:lighting |
magnitude 8.4
detected high surface brightness |
| gptkbp:located_in |
constellation Ursa Major
Ursa Major constellation Declination +69° 40′ 47″ Right Ascension 9h 55m 52.8s RA 9h 55m 52s, Dec +69° 40′ 47″ |
| gptkbp:location |
Ursa Major constellation
|
| gptkbp:mass |
1.5 x 10^11 solar masses
approximately 100 billion solar masses approximately 10 billion solar masses about 100 billion solar masses 3.5 x 10^10 solar masses |
| gptkbp:notable_feature |
high rate of star formation
high surface brightness cigar shape |
| gptkbp:notable_models |
gptkb:Irr
I Bm IB(s)0 |
| gptkbp:orbital_period |
with M81
|
| gptkbp:part_of |
gptkb:M81_Group
|
| gptkbp:population |
high star density
|
| gptkbp:previous_name |
gptkb:NGC_3034
|
| gptkbp:redshift |
0.00068
0.0006 |
| gptkbp:region |
central region
|
| gptkbp:relationship |
gptkb:M81_galaxy
|
| gptkbp:research |
gptkb:stock_market_index
galactic dynamics |
| gptkbp:research_focus |
important for understanding starburst galaxies.
|
| gptkbp:right_ascension |
9h 55m 52.4s
|
| gptkbp:scientific_classification |
gptkb:galaxy
IB(s)0 |
| gptkbp:set_in |
gptkb:Northern_Hemisphere
|
| gptkbp:type |
gptkb:galaxy
|
| gptkbp:universe |
with M81
|