IC 4797
Galaxy IC 4797 |
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AladinLite | |
Constellation | telescope |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 18 h 56 m 29.7 s |
declination | -54 ° 18 ′ 21 ″ |
Appearance | |
Morphological type | cD / E + |
Brightness (visual) | 11.3 mag |
Brightness (B-band) | 12.3 mag |
Angular expansion | 2.1 ′ × 1.1 ′ |
Position angle | 146 ° |
Surface brightness | 12.7 mag / arcmin² |
Physical data | |
Affiliation | LGG 425 |
Redshift | 0.008933 ± 0.000067 |
Radial velocity | 2678 ± 20 km / s |
Stroke distance v rad / H 0 |
(117 ± 8) x 10 6 ly (35.9 ± 2.5) Mpc |
history | |
discovery | Royal H. Frost |
Discovery date | August 13, 1903 |
Catalog names | |
IC 4797 • PGC 62589 • ESO 183-029 • 2MASX J18562965-5418210 • SGC 185225-5422.3 • GALEX ASC J185629.68-541819.6 • LDCE 1328 NED009 |
IC 4797 is an elliptical c D galaxy of the Hubble type E5 in the constellation Telescope in the southern sky . It is an estimated 117 million light years from the Milky Way and about 75,000 light years in diameter .
The galaxies NGC 6707 , NGC 6708 , IC 4796 are in the same region of the sky .
The property was bought on August 13, 1903 by Royal Harwood Frost .