NGC 609
From Wikipedia, the free encyclopedia
Star cluster in the Cassiopeia constellation
| NGC 609 | |
|---|---|
| The open cluster NGC 609 | |
| Observation data (J2000 epoch) | |
| Right ascension | 01h 38m 11s |
| Declination | +64° 39′ 57″ |
| Distance | 12984.29 (3981) |
| Physical characteristics | |
| Estimated age | 1710 Ma [citation needed ] |
| Associations | |
| Constellation | Cassiopeia |
| See also: Open cluster, List of open clusters | |
NGC 609 (also known as C 0133+643) is a small open cluster located in the Cassiopeia constellation containing approximately 261 stars.[1] Given its visual magnitude of 11, NGC 609 is visible with the help of a telescope having an aperture of 6 inches (150mm) or more.[1] It was discovered by 19th century German astronomer Heinrich d'Arrest on 9 August 1863.[2] NGC 609 is moving towards the Sun with a radial velocity of −44.32 km/s±0.68.[3] The object is located approximately 12,984.29 light years, (3981 pc), from the Earth.[4]
References
[edit ]- ^ a b "NGC 609". simbad.u-strasbg.fr. Retrieved 2025年06月30日.
- ^ "New General Catalog Objects: NGC 600 - 649". cseligman.com. Retrieved 2025年06月29日.
- ^ "NGC 609". simbad.cds.unistra.fr. Retrieved 2025年06月29日.
- ^ "WEBDA: Open cluster page". webda.physics.muni.cz. Retrieved 2025年06月29日.
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