4-H cluster
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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
- Instance of
- open cluster
- Constellation
- Auriga
- Distance from Earth
- 1199
- Image
- NGC1664.jpg
Show 11 more facts
- catalog code
- [KPS2012] MWSC 0430
- Commons category
- NGC 1664
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1786-10-24
- apparent magnitude
- 7.6
- right ascension
- 72.7750
- declination
- 43.6750
- radial velocity
- 7.8
- epoch
- J2000.0
- right ascension component of proper motion
- -3.32
- declination component of proper motion
- -4.04
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
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.
Excerpted from Wikipedia’s “4-H cluster” article, available under the CC BY-SA 4.0 licence.