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EntityQ1102267· pop 31· linked from 514 articles

NGC 2985

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galaxy

Key facts

Constellation
Ursa Major
Right ascension
09 50 22.2
Declination
+72 ° 16 ′ 43 ″
Redshift
0.004410 ± 0.0000237
Heliocentric radial velocity
1,322 ± 7 km / s
Distance
70.1 ± 4.1 Mly (21.5 ± 1.3 Mpc )
Type
(R')SA(rs)ab
Apparent size v
4.6 ′ × 3.6 ′

via Wikipedia infobox

Wikidata facts

Instance of
astrophysical X-ray source
Constellation
Ursa Major
Distance from Earth
22.90
Image
NGC 2985 DSS.jpg
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Commons category
NGC 2985
catalog code
RX J095022+72162
galaxy morphological type
Sb
discoverer or inventor
William Herschel
time of discovery or invention
1785-00-00
redshift
0.004306
apparent magnitude
7.360
right ascension
147.5926375
declination
72.2786472
radial velocity
1288
epoch
J2000.0
Sources (1)

via Wikidata · CC0

~2 min read

Encyclopedic overview

NGC 2985 is a spiral galaxy located in the constellation Ursa Major. It is located at a distance of circa 70 million light years from Earth, which, given its apparent dimensions, means that NGC 2985 is about 95,000 light years across. It was discovered by William Herschel on April 3, 1785.

The galaxy is seen with an inclination of 37 degrees. The galaxy has a bright nucleus from which emanate multiple tightly wound spiral fragments. Numerous blue knots are visible at the galactic disk. At the outer part of the galaxy lies a massive spiral arm that forms a pseudoring that encircles the galaxy. The inner part of the galaxy, where active star formation has been observed, has been found to be unstable, contrary to the outer stable one. It has been suggested that the presence of molecular clouds accounts for the instability of the region.

Excerpted from Wikipedia’s “NGC 2985” article, available under the CC BY-SA 4.0 licence.

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