Q1044021

barred spiral galaxy in the constellation Reticulum

Key facts

Constellation: Reticulum
Right ascension: 04 17 35.7506
Declination: −62 ° 47 ′ 01.316 ″
Redshift: 1304 ± 4 km/ s
Distance: 48.73 ± 2.18 Mly (14.942 ± 0.669 Mpc )
Type: SB(s)cd
Size: ~75,600 ly (23.17 kpc ) (estimated)
Apparent size v: 3.5′ × 2.0′

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Wikidata facts

Instance of: astrophysical X-ray source
Constellation: Reticulum
Distance from Earth: 14.3
Image: The light of knowledge (potw2438a).jpg

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right ascension: 64.39895884126910
catalog code: Gaia DR2 4676459725889776768
declination: -62.78367365166930
Commons category: NGC 1559
discoverer or inventor: James Dunlop
time of discovery or invention: 1826-00-00
apparent magnitude: 8.018
galaxy morphological type: SB(s)cd
parallax: 0.1825
radial velocity: 1295
redshift: 0.004310
epoch: J2000.0
right ascension component of proper motion: 0.199
declination component of proper motion: -3.935

Sources (1)

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Encyclopedic overview

NGC 1559 is a barred spiral galaxy in the constellation Reticulum. It was discovered on 6 November 1826 by Scottish astronomer James Dunlop.

NGC 1559 is a Seyfert galaxy, i.e. it has a quasar-like nuclei with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable. Although it was originally thought to be a member of the Dorado Group, subsequent observations have shown that it is in fact not a member of any galaxy group or cluster and does not have any nearby companions. NGC 1559 has massive spiral arms and strong star formation. It contains a small bar which is oriented nearly east–west and spans 40″. Its bar and disc are the source of very strong radio emissions.

Excerpted from Wikipedia’s “Q1044021” article, available under the CC BY-SA 4.0 licence.

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