Messier 54 (also known as M54 or NGC 6715) is a globular cluster in the constellation Sagittarius. [a] It was discovered by Charles Messier in 1778 and then included in his catalog of comet-like …

2017年8月14日 · "As part of the ACS Survey of Galactic Globular Clusters, we present new Hubble Space Telescope photometry of the massive globular cluster M54 (NGC 6715) and the …

Messier 54 (NGC 6715) is a globular cluster located in the constellation Sagittarius, in the Galactic Center of the Milky Way Galaxy in the Local Group of galaxies. M54 is 87400 light years away …

Messier 54 (or M54 or NGC 6715) is a globular cluster in the constellation Sagittarius. It was discovered by Charles Messier in 1778. Later, he included it in his catalog of comet-like …

2015年6月10日 · Messier 54 (M54) is an extragalactic globular cluster located in the southern constellation Sagittarius. It has an apparent magnitude of 8.37 and lies at a distance of 87,400 …

2007年7月31日 · We present new Hubble Space Telescope photometry of the massive globular cluster M54 (NGC 6715) and the superposed core of the tidally disrupted Sagittarius (Sgr) …

2022年10月19日 · NGC 6715 (also known as Messier 54 or M54) is a GC hosting about 1 million stars. It is one of the most compact globular cluster known and is located at the constellation …

NGC 6715 and NGC 6723 are detected. Especially NGC 6715 is located at a distance of 26.8 kpc, so far it is the farthest globular cluster detected in gamma-rays. A detailed analysis for …

Messier 54 or M54 (also designated NGC 6715) is a globular cluster in the constellation Sagittarius. It has an apparent visual magnitude of 7.6 and its angular diameter is 9.1 arc …

Name(s): Messier 54. M54. NGC 6715. Type: Globular Cluster. RA: 18h 55m 03s. Dec: -30º 28’ 47” Constellation: Sagittarius. Size (arcmin): 12 arcmin. Magnitude: +8.4. Distance: 87,400 ly. …