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NGC 6144
NGC 6144, imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Class	XI
Constellation	Scorpius
Right ascension	16 27 14.1
Declination	–26° 01′ 29″
Apparent magnitude (V)	+9.63
Apparent dimensions (V)	1.8′
Physical characteristics
Metallicity	${\displaystyle {\begin{smallmatrix}\left\end{smallmatrix}}}$ = -1.81±0.12 dex
See also: Globular cluster, List of globular clusters

NGC 6144 is a globular cluster in the constellation Scorpius, located almost exactly 1° away from its brighter counterpart globular cluster Messier 4. It is relatively close to and is partially obscured by the Rho Ophiuchi cloud complex. The cluster has a very low core stellar density for a globular cluster and harbors a handful of X-ray radiation sources.

References

1. ^ "VizieR Catalogue Database". Results for NGC 6144.
2. ^ "NASA/IPAC Extragalactic Database". Results for NGC 6144.
3. "SIMBAD Astronomical Object Database". Results for NGC 6144.
4. ^ CCD PHOTOMETRY OF THE GALACTIC GLOBULAR CLUSTER NGC 6144
5. "Clusters of Clusters: Globular Pairings". Sky & Telescope. 2006-07-28. Retrieved 2021-03-10.
6. Lan, Shih-Hao; Kong, Albert K. H.; Verbunt, Frank; Lewin, Walter H. G.; Bassa, Cees; Anderson, Scott F.; Pooley, David (2010), "X-Ray and Optical Study of Low Core Density Globular Clusters Ngc6144 and E3", The Astrophysical Journal, 712: 380–391, arXiv:0907.0837, doi:10.1088/0004-637X/712/1/380, S2CID 11046118

External links

• Media related to NGC 6144 at Wikimedia Commons
• Globular Clusters Database

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