EntityQ918641· pop 32· linked from 496 articles

4-H cluster

Also known as New General Catalogue 1664

open cluster in the constellation Auriga

Key facts

Right ascension: 04 51 06.(0)
Declination: +43 ° 40 ′ 3(0) ″
Distance: 4,200 ± 150 ly (1,289 ± 47 pc )
Apparent dimensions v: 18.0′
Mass: 640 M ☉
Other designations: C 0447+436, Collinder 56, Lund 143, Melotte 27, OCL 411, Raab 19
Constellation: Auriga

via Wikipedia infobox

Wikidata facts

Distance from Earth: 1199
Image: NGC1664.jpg

Show 9 more facts

catalog code: [KPS2012] MWSC 0430
Commons category: NGC 1664
time of discovery or invention: 1786-10-24
apparent magnitude: 7.6
right ascension: 72.7750
declination: 43.6750
radial velocity: 7.8
right ascension component of proper motion: -3.32
declination component of proper motion: -4.04

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Article

Map showing the location of NGC 1664 NGC 1664 is an open cluster in the constellation of Auriga. It contains stars with a total of around 640 solar masses with a tidal radius of 43 ly (13.2 pc).

NGC 1664 is a somewhat young cluster, with an age of 675 ± 50 Myr, and is dynamically relaxed. It is located some 4,200 light-years away, or about 1.3 kpc. Born outside of the solar circle, it orbits the center of the Milky Way every 244 million years.