| NGC 6702 | |
|---|---|
 | |
| Observation data (J2000.0 epoch) | |
| Constellation | Lyra[1] |
| Right ascension | 18h 46m 57,6s[2][3] |
| Declination | +45° 42′ 20″[2] |
| Redshift | 0.015771[4] |
| Heliocentric radial velocity | 4728 ± 5[2] |
| Distance | 217 million LY[4] |
| Apparent magnitude (V) | 12.2[4][5] |
| Characteristics | |
| Type | E[3] |
| Apparent size (V) | 1.90 x 1.5[3] |
| Other designations | |
| PGC 62395 | |
NGC 6702 (also known as UGC 11354)[2] is a elliptical galaxy in the constellation Lyra.[1] It was first discovered by Heinrich d'Arrest in 1863.[6] The galaxy's radial velocity, relative to the cosmic microwave background is measured at around 4592 ± 11 km/s, corresponding to a Hubble distance of around 67.73 ± 4.74 MPC.[2] Many amateur astronomers believe NGC 6702 and NGC 6703 are a pair, even though they are separated by 100 million light-years.[7][8]
Supernova
[edit]One supernova has been observed within the galaxy NGC 6702:
References
[edit]- ^ a b "NGC 6702 - Elliptical Galaxy in Lyra | TheSkyLive". theskylive.com.
- ^ a b c d e "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu.
- ^ a b c "Revised NGC Data for NGC 6702". spider.seds.org.
- ^ a b c "NGC 6702 - elliptical galaxy. Description NGC 6702:". kosmoved.ru.
- ^ Astronomy, Go. "NGC 6702 | galaxy in Lyra | New General Catalogue". Go-Astronomy.com.
- ^ "New General Catalog Objects: NGC 6700 - 6749". cseligman.com.
- ^ "Webb Deep-Sky Society: Galaxy of the Month: NGC6702". www.webbdeepsky.com.
- ^ Georgakakis, Antonis E.; Forbes, Duncan A.; Brodie, Jean P. (July 26, 2001). "The globular cluster system of the young elliptical NGC 6702". Monthly Notices of the Royal Astronomical Society. 324 (4): 785–796. arXiv:astro-ph/0011275. doi:10.1046/j.1365-8711.2001.04210.x.
- ^ "List of Supernovae". lweb.cfa.harvard.edu.
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