Astronomy:NGC 3313

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Short description: Galaxy in the constellation Hydra
NGC 3313
NGC 3313 legacy dr10.jpg
legacy surveys image of NGC 3313
Observation data (J2000 epoch)
ConstellationHydra
Right ascension 10h 37m 25.4s[1]
Declination−25° 19′ 10″[1]
Redshift0.012362[1]
Helio radial velocity3706 km/s[1]
Distance55.4 Mpc (181 Mly)[1]
Group or clusterHydra Cluster
Apparent magnitude (V)12.38[1]
Characteristics
Type(R')SB(rs)ab[1]
Size~39.04 kpc (127,300 ly) (estimated)[1]
Apparent size (V)3.9 × 3.2[1]
Other designations
ESO 501-50, AM 1035-250, IRAS 10350-2503, MCG -4-25-44, PGC 31551, UGCA 213[1]

NGC 3313 is a large barred spiral galaxy[2][3] located about 55 megaparsecs (180 million light-years) away in the constellation Hydra.[4] It was discovered by astronomer Ormond Stone in 1886[5][6] and is an outlying member of the Hydra Cluster.[7]

Physical characteristics

NGC 3313 has a complete inner ring feature that is elongated along the bar axis of the galaxy. Inside the inner ring, there are two weak dust lanes in the bar, and surrounding the nucleus there is a very circular nuclear ring. Spiral structure breaking off from the ring region has a complex structure and is tightly wrapped around the ring. The arms trail out into the outer disk where they form a well-defined two-armed pattern. The two-armed pattern also appears to take the form of an R1' outer pseudoring. Beyond this two-armed pattern, there are numerous spiral segments which extend to much larger distances.[3]

One supernova has been observed in NGC 3313: SN 2002jp (type Ic, mag. 16.9).[8]

See also

References

External links


Coordinates: Sky map 10h 37m 25.4s, -25° 19′ 10″