Q269287

galaxy

Key facts

Constellation: Hydra
Right ascension: 11 51 01.7118
Declination: −28 ° 48 ′ 21.386 ″
Redshift: 0.005 801 ± 0.000 03
Heliocentric radial velocity: 1739 ± 9 km/s
Distance: 71 ± 23 Mly (21.6 ± 7.0 Mpc )
Type: E4–5
Size: ~264,700 ly (81.16 kpc ) (estimated)
Apparent size v: 5.9 ′ × 3.9 ′
Notable features: Shell galaxy

via Wikipedia infobox

Wikidata facts

Distance from Earth: 19.77
Image: NGC 3923 (noirlab2325d).jpg

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Commons category: NGC 3923
catalog code: FLASH J115102.11-284823.3
time of discovery or invention: 1791-03-07
apparent magnitude: 6.500
galaxy morphological type: E4
right ascension: 177.7574292
declination: -28.8062111
radial velocity: 1724
redshift: 0.005767

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Article

NGC 3923 is an elliptical galaxy located in the constellation Hydra. It is located at a distance of about 90 million light years from Earth, which, given its apparent dimensions, means that NGC 3923 is about 155,000 light years across. NGC 3923 is an example of a shell galaxy where the stars in its halo are arranged in layers. It has more than twenty shells. It was discovered by William Herschel on March 7, 1791.

Characteristics