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Messier 82

Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major. It is the second-largest member of the M81 Group, with the D25 isophotal diameter of 12.52 kiloparsecs (40,800 light-years). It is about five times more luminous than the Milky Way and its central…

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Apparent magnitude (V)
8.41
Apparent size (V)
11.2′ × 4.3′
Constellation
Ursa Major
Declination
+69° 40′ 46.140″
Distance
11.4–12.4 Mly (3.5–3.8 Mpc)
Heliocentric radial velocity
269±2 km/s

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Overview

Discovery

Structure

Starbursts

Supernovae

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Map overview Semantic statistics

Messier 82

Nodes69
Edges68
Triples45
Avg. degree1.97
Density0.028986
Components1

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Messier 82

Top relations

related to External links · 19
Messier 82 → Articles, Astrophoto, ChandraSST, Deep Space Map, DSS2, Fire, Galaxy, GALEX, Hydrogen, IRAS, M82, M82Messier, NASA/IPAC EXTRAGALACTIC DATABASEESA/Hubble, SDSS, SEDS Messier, Sky Map, The Cigar GalaxyM82, WikiSky, X-Ray
related to Supernovae · 10
Messier 82 → As, In, It, Lick Observatory Supernova Search, March, Messier, November, SN, The, Type II
related to Gallery · 5
Messier 82 → Anthony MICHEL, France, Messier, PlaneWave CDK, W4SM
Apparent magnitude (V) · 1
Messier 82 → 8.41
Apparent size (V) · 1
Messier 82 → 11.2′ × 4.3′
Constellation · 1
Messier 82 → Ursa Major
Declination · 1
Messier 82 → +69° 40′ 46.140″
Distance · 1
Messier 82 → 11.4–12.4 Mly (3.5–3.8 Mpc)
Heliocentric radial velocity · 1
Messier 82 → 269±2 km/s
Notable features · 1
Messier 82 → Edge-on starburst galaxy

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Important terminology

m82 galaxy starburst supernova m81 sn one type light-years messier images known discovered magnitude 2014 82 x-ray arms detected ngc

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Messier 82Apparent magnitude (V)8.411.00infobox
Messier 82Apparent size (V)11.2′ × 4.3′1.00infobox
Messier 82ConstellationUrsa Major1.00infobox
Messier 82Declination+69° 40′ 46.140″1.00infobox
Messier 82Distance11.4–12.4 Mly (3.5–3.8 Mpc)1.00infobox
Messier 82Heliocentric radial velocity269±2 km/s1.00infobox
Messier 82Notable featuresEdge-on starburst galaxy1.00infobox
Messier 82Redshift0.000897±0.0000071.00infobox
Messier 82Right ascension09h 55m 52.9200s1.00infobox
Messier 82Size12.52 kiloparsecs (40,800 light-years) (diameter; 25.0 mag/arcsec2 B-band isophote)1.00infobox
Messier 82TypeI01.00infobox
Messier 82related to External linksM820.60section

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