- Source: NGC 6646
NGC 6646 is a spiral galaxy located in the constellation Lyra. Its velocity relative to the cosmic microwave background is 5,641 ± 35 km/s, which corresponds to a Hubble distance of 83.2 ± 5.9 Mpc (∼271 million ly). NGC 6646 was discovered by the German-British astronomer William Herschel on 26 June 1802. The luminosity class of NGC 6646 is I.
One supernova has been observed in NGC 6646: SN 2024gqf (type Ia, mag. 19.7).
See also
List of NGC objects (6001–7000)
References
External links
NGC 6646 at LEDA
NGC 6646 at SEDS
NGC 6646 at SkyMap (DSS2)
NGC 6646 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Kata Kunci Pencarian:
- Daftar objek NGC 6001 - 7000
- NGC 6646
- List of NGC objects (6001–7000)
- NGC 6745
- NGC 6509
- NGC 6685
- NGC 6782
- List of Philippine laws
- HD 177830
- IC 1296
- Kepler-60d
