NGC 6477
| Galaxy NGC 6477 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 44 m 30.02 s |
| declination | + 67 ° 36 ′ 38.1 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 15.3 mag |
| Brightness (B-band) | 16.3 mag |
| Angular expansion | 0.4 ′ × 0.3 ′ |
| Position angle | 110 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | ? |
| Radial velocity | ? km / s |
| distance | ? Lj |
| history | |
| discovery | Lewis Swift |
| Discovery date | September 25, 1886 |
| Catalog names | |
| NGC 6477 • PGC 2702901 • 2MASX J17443006 + 6736380 • 2MASS J17443001 + 6736381 • WISEA J174430.09 + 673637.7 | |
NGC 6477 is a 15.3 mag bright, lens-shaped galaxy of the Hubble-type S0 in the constellation Dragon in the northern sky . It is part of an optical galaxy cluster made up of the six closely spaced galaxies NGC 6456 , NGC 6463 , NGC 6470 , NGC 6471 , NGC 6472 and NGC 6477 . A final clear identification based on Swift's observations is still pending.
The object was discovered by Lewis A. Swift on September 25, 1886 .