NGC 6987
Galaxy NGC 6987 |
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AladinLite | |
Constellation | Indus |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 20 h 58 m 10.36 s |
declination | -48 ° 37 ′ 49.1 ″ |
Appearance | |
Morphological type | E0: |
Brightness (visual) | 12.4 mag |
Brightness (B-band) | 13.4 mag |
Angular expansion | 1.4 '× 1.2' |
Position angle | 92 ° |
Surface brightness | 13.0 mag / arcmin² |
Physical data | |
Affiliation | NGC 7038 group LGG 441 |
Redshift | 0.017475 ± 0.000090 |
Radial velocity | 5239 ± 27 km / s |
Stroke distance v rad / H 0 |
(233 ± 16) x 10 6 ly (71.4 ± 5.0) Mpc |
history | |
discovery | John Herschel |
Discovery date | September 30, 1834 |
Catalog names | |
NGC 6987 • PGC 65807 • ESO 235-021 • IRAS 20546-4849 • 2MASX J20581033-4837491 • SGC 205442-4849.4 • 2MASS J20581035-4837490 • GALEX ASC J205810.44-483747.0 • LDCE 1438 NED003 |
NGC 6987 is an elliptical galaxy from the Hubble type E1 in the constellation Indians on the southern sky . It is an estimated 233 million light years from the Milky Way and about 95,000 light years in diameter. With a further twelve galaxies, it is considered a member of the NGC 7038 group ( LGG 441 ).
The object was discovered by John Herschel on September 30, 1834 .