NGC 358

Also known as New General Catalogue 358

unknown astronomical object in the New General Catalogue

Key facts

Right ascension: 01 05 11.00
Declination: +62 ° 01 ′ 18.0 ″
Distance: 1700 ± 300
Apparent dimensions v: 2.5 ′
Constellation: Cassiopeia

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Wikidata facts

Image: NGC 0358 DSS.jpg

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time of discovery or invention: 1865-02-04
apparent magnitude: 11.2
catalog code: NGC 358
right ascension: 16.295830
declination: 62.021670
right ascension component of proper motion: -4.56
declination component of proper motion: 2.72
Commons category: NGC 358

Sources (1)

fr.wikipedia.org

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Encyclopedic overview

NGC 358 is an asterism of four stars in the constellation of Cassiopeia. Two of the members were found to have a similar distance of roughly 1700 light years with Hipparcos data, although the other two did not have well-constrained distances, so its exact nature was uncertain.

Gaia DR3 data shows that the two members TYC 4021-519-1 and TYC 4021-575-1 are not associated due to their very different proper motion and radial velocity. The distance remains remarkable similar for both stars from the Gaia parallax. The other two stars have larger distances.

Excerpted from Wikipedia’s “NGC 358” article, available under the CC BY-SA 4.0 licence.

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