A third cluster of red supergiants in the vicinity of the massive cluster RSGC3

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Table A.1

Temperatures and intrinsic colour (J − K_S)₀ for the red supergiants.

	Gr04¹		Le05³		St09⁴	K05²	Assumed
Type	T_eff	(J − K_S)₀	T_eff	(J − K_S)₀	(J − K_S)₀	(J − K_S)₀	(J − K_S)₀
	(K)	(mag)	(K)	(mag)	(mag)	(mag)	(mag)

G5	–	–	–	–	0.49	0.47^*	0.48
G8	–	–	–	–	0.56	0.59^*	0.58
K0	–	–	–	–	0.62	0.67^*	0.65
K1	–	–	4100	0.86	0.68	0.88	0.87
K1.5	–	–	4100	0.86	–	0.88	0.87
K2	–	–	4015	0.90	0.75	0.91	0.91
K3	–	–	4015	0.90	0.82	0.91	0.91
K4	–	–	–	–	0.89	0.83^*	0.86
K5	–	–	3840	1.00	0.96	0.99	0.98
M0	3850	1.07	3790	1.03	1.02	1.00	1.03
M1	–	–	3745	1.05	1.06	1.03	1.05
M1.5	–	–	3710	1.07	–	1.05	1.06
M2	–	–	3660	1.10	1.10	1.07	1.09
M2.5	–	–	3615	1.12	–	1.09	1.11
M3	3550	1.17	3605	1.13	1.13	1.13	1.13
M3.5	–	–	3550	1.16	–	1.12	1.14
M4	–	–	3535	1.17	1.17	1.13	1.16
M4.5	–	–	3535	1.17	–	1.13	1.15
M5	3397	1.26	3450	1.21	1.21	–	1.21
M7	3129	1.36	–	–	–	–	1.32
M8	2890	1.36	–	–	–	–	1.32
M10	2500	1.34	–	–	–	–	1.30

Notes.

⁽¹⁾

Groenewegen (2004);

⁽²⁾

Kučinskas et al. (2005);

⁽³⁾

Levesque et al. (2005);

⁽⁴⁾

Straižys & Lazauskaitė (2009);

^(*)

Derived using the temperature scale from Cenarro et al. (2001).

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