Q933240

unbarred spiral galaxy in the constellation Draco

Key facts

Constellation: Draco
Right ascension: 10 16 53.6504
Declination: +73 ° 24 ′ 02.695 ″
Redshift: 0.009346 ± 0.000003
Heliocentric radial velocity: 2,802 ± 1 km / s
Distance: 129 ± 29 Mly (39.6 ± 8.9 Mpc )
Type: SA(rs)bc
Size: ~176,600 ly (54.16 kpc ) (estimated)
Apparent size v: 3.9′ × 3.5′
Notable features: Seyfert galaxy

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Wikidata facts

Constellation: Draco
Distance from Earth: 43.05
Image: Spiral Galaxy NGC 3147.png

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Commons category: NGC 3147
catalog code: [NKB95] N3147
discoverer or inventor: William Herschel
time of discovery or invention: 1785-04-03
apparent magnitude: 7.409
galaxy morphological type: SA(rs)bc
right ascension: 154.2234667
declination: 73.4006500
radial velocity: 2791
redshift: 0.009353
epoch: J2000.0

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Encyclopedic overview

NGC 3147 is a spiral galaxy located in the constellation Draco. It is located at a distance of about 130 million light years from Earth, which, given its apparent dimensions, means that NGC 3147 is about 140,000 light years across. It was discovered by William Herschel on April 3, 1785.

Structure

Excerpted from Wikipedia’s “Q933240” article, available under the CC BY-SA 4.0 licence.

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