NGC 1643

galaxy

In the Vinony graph

Vinony's link graph records 488 inbound references to NGC 1643, and connects out to list of NGC objects (1001–2000), epoch and NGC 1974.

Vinony files it under Astronomical objects discovered in 1877, Barred spiral galaxies and Discoveries by Wilhelm Tempel.

Vinony links it to 28 Wikipedia language editions.

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

Instance of: spiral galaxy
Constellation: Eridanus
Distance from Earth: 65.85
Image: NGC 1643.png

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catalog code: Gaia DR2 3200278027440619904
galaxy morphological type: Sb
discoverer or inventor: William Herschel
time of discovery or invention: 1786-11-28
apparent magnitude: 12.703
Commons category: NGC 1643
right ascension: 70.93315097519980
declination: -5.31944170232330
radial velocity: 4873.0
redshift: 0.016178
epoch: J2000.0

Sources (1)

fr.wikipedia.org

via Wikidata · CC0

~1 min read

Encyclopedic overview

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.

Supernovae

Excerpted from Wikipedia’s “NGC 1643” article, available under the CC BY-SA 4.0 licence.