Are Nuclear Star Clusters the Precursors of Massive Black Holes?

Table 1

Properties of the sample of NCs in bulgeless galaxies.

Galaxy	Type	NC𝑟𝑒 (pc)	𝜎 (km/s)	𝑀/𝐿^min  (𝑀/𝐿𝐼,⊙)	𝑀^maxBH (𝑀⊙)	𝑀^bestBH (𝑀⊙)
NGC 300	SAd	2.9	13±2	0.41	1×10^5	1×10^2
NGC 428	SABm	3.36	24.4±4	0.41	7×10^4	3×10^4
NGC 1042	SABcd	1.94	32±5	0.07	3×10^6	2.5×10^4
NGC 1493	SBcd	2.6	25±4	0.07	8×10^5	2.5×10^5
NGC 2139	SABcd	10.3	17±3	0.02	4×10^5	1.5×10^5
NGC 3423	SAcd	4.18	30±5	0.87	7×10^5	1.5×10^5
NGC 7418	SABcd	12.3	34±5	0.10	9×10^6	1.5×10^5
NGC 7424	SABcd	7.4	16±2	0.10	4×10^5	1.5×10^5
NGC 7793	SAd	7.7	25±4	0.15	8×10^5	5×10^3