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
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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.
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