Astronomy:NGC 609
From HandWiki
| NGC 609 | |
|---|---|
 The open cluster NGC 609 | |
| Observation data (J2000 epoch) | |
| Constellation | Cassiopeia |
| Right ascension | 01h 38m 11s |
| Declination | +64° 39′ 57″ |
| Distance | 12984.29 (3981) |
| Physical characteristics | |
| Estimated age | 1710 Ma |
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
- ↑ 1.0 1.1 "NGC 609". https://simbad.u-strasbg.fr/simbad/sim-basic.
- ↑ "New General Catalog Objects: NGC 600 - 649". https://cseligman.com/text/atlas/ngc6.htm#609.
- ↑ "NGC 609". https://simbad.cds.unistra.fr/simbad/sim-id.
- ↑ "WEBDA: Open cluster page". https://webda.physics.muni.cz/cgi-bin/ocl_page.cgi?dirname=ngc0609.
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