Abell 2199

Abell 2199 is a galaxy cluster in the Abell catalogue featuring the brightest cluster galaxy NGC 6166, a cD galaxy.^[6][7][8][9] Abell 2199 is the definition of a Bautz-Morgan type I cluster due to NGC 6166.

Abell 2199
Observation data (Epoch J2000)
Constellation(s)	Hercules
Right ascension	16h 28m 38.5s[1]
Declination	+39° 33′ 06″[1]
Brightest member	NGC 6166
Number of galaxies	>290[2]
Richness class	2[3]
Bautz–Morgan classification	I [3]
Redshift	0.030151[1]
Distance	128 Mpc (417 Mly) h−1 0.705 [1]
ICM temperature	4.71 ± 0.13 keV[4]
Binding mass	6.5×1014 h−1 0.70[5] M☉
X-ray flux	10.64×10−11 erg s−1 cm−2 (0.1-2.4 keV)[1]

See also

• Hercules (Chinese astronomy)
• List of Abell clusters
• List of largest galaxies
• List of nearest galaxies
• List of NGC objects (6001–7000)
• X-ray astronomy