Q949469

galaxy

Key facts

Constellation: Horologium
Right ascension: 03 57 27.4555
Declination: −46 ° 12 ′ 38.554 ″
Heliocentric radial velocity: 1053 ± 1 km/s
Distance: 48.3 ± 3.4 Mly (14.81 ± 1.04 Mpc )
Group or cluster: NGC 1493 Group (LGG 106)
Type: SB(r)cd
Size: ~58,300 ly (17.89 kpc ) (estimated)
Apparent size v: 2.8′ × 2.8′

via Wikipedia infobox

Wikidata facts

Image: NGC 1493 legacy dr10.jpg

Sources (1)

~2 min read

Article

NGC 1493 is a barred spiral galaxy in the constellation of Horologium. Its velocity with respect to the cosmic microwave background is 1004 ± 4 km/s, which corresponds to a Hubble distance of 48.3 ± 3.4 Mly (14.81 ± 1.04 Mpc). In addition, six non redshift measurements give a closer distance of 35.38 ± 1.71 Mly (10.848 ± 0.525 Mpc). The galaxy was discovered by Scottish astronomer James Dunlop on 2 September 1826.

The SIMBAD database lists NGC 1493 as a Seyfert II Galaxy, i.e. it has a quasar-like nucleus with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable.