NGC 1643

galaxy

Key facts

Constellation: Eridanus
Right ascension: 04 43 43.9330
Declination: −05 ° 19 ′ 09.562 ″
Redshift: 0.016 261 ± 0.000 009 00
Heliocentric radial velocity: 4,875 ± 3 km/s
Distance: 232.5 ± 16.3 Mly (71.30 ± 4.99 Mpc )
Type: SB(r)bc pec
Size: ~75,100 ly (23.02 kpc ) (estimated)
Apparent size v: 1.1′ × 1.1′

via Wikipedia infobox

Wikidata facts

Image: NGC 1643.png

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Article

NGC 1643 is a peculiar barred spiral galaxy in the constellation of Eridanus. Its velocity with respect to the cosmic microwave background is 4,834±4 km/s, which corresponds to a Hubble distance of 232.5 ± 16.3 Mly (71.30 ± 4.99 Mpc). It was discovered by German-British astronomer William Herschel on 28 November 1786.

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