Spectroscopically identified intermediate age stars at 0.5–3 pc distance from Sagittarius A*

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Table 2

Parameters for reference red giants.

ID^a	RA^b	Dec^b	H^c	K_S^c	A_K	EW(CO)	σ_CO	T_eff	σ_{T_eff}	M_bol	σ_{M_bol}
	(J2000.0)	(J2000.0)	[mag]	[mag]	[mag]	[Å]	[Å]	[K]	[K]	[mag]	[mag]

RG35	17:45:41.273	−29:00:49.73	12.7	9.9	3.2	23.2	0.3	2889	127	−4.6	0.8
RG39	17:45:40.389	−29:00:01.41	–	12.4	3.2	23.3	0.4	2851	127	−2.1	0.6
RG43	17:45:42.117	−29:00:49.58	13.9	11.2	3.4	23.8	0.5	2749	130	−3.4	0.5
RG46	17:45:36.488	−29:00:38.14	14.0	11.2	3.2	27.8	0.4	≲2700	–	–	–
RG54	17:45:43.721	−29:00:01.17	13.5	11.1	3.0	23.6	0.2	2790	122	−3.1	0.8

Notes.

^(a)

See Fig. 1.

^(b)

Typical positional uncertainty is .

^(c)

From Nishiyama et al. (2006).

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