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EntityQ269287· pop 32· linked from 490 articles

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

~3 min read

Encyclopedic overview

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

Excerpted from Wikipedia’s “Q269287” article, available under the CC BY-SA 4.0 licence.