Long-period variables in NGC 147 and NGC 185 | Astronomy & Astrophysics (A&A)

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Volume 532 (August 2011)

A&A, 532 (2011) A78

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Table 5

Comparison of our P-L relations with literature values for different stellar systems

	M_{K_s} = alog P + b
	a	b	(m − M)	Refs.

Galactic	−3.56 ± 0.17	1.14 ± 0.42		1
LMC all	−3.52 ± 0.03	1.04 ± 0.08	18.50	2
LMC
all	−3.34 ± 0.02	0.40 ± 0.05	18.50	3
O-rich	−3.31 ± 0.04	0.47 ± 0.09		3
C-rich	−3.16 ± 0.04	−0.10 ± 0.11		3
LMC
all	−3.57 ± 0.16	1.20 ± 0.39	18.50	4
O-rich	−3.47 ± 0.19	0.98 ± 0.45		4
C-rich	−3.30 ± 0.40	0.48 ± 0.98		4
Cen A	−3.37 ± 0.11	0.80 ± 0.29	27.87	5

NGC 147
all	−3.55 ± 0.15	1.08 ± 0.36	24.38	6
O-rich	−3.81 ± 0.25	1.68 ± 0.58	24.38	6
NGC 185
all	−3.47 ± 0.11	1.13 ± 0.27	24.09	6
O-rich	−3.72 ± 0.16	1.68 ± 0.38	24.09	6

Notes. All relations were shifted to an absolute scale M_K using the distance moduli given in the text.

References. (1) Groenewegen & Whitelock (1996); (2) Ita et al. (2004); (3) Riebel et al. (2010); (4) Feast et al. (1989); (5) Rejkuba (2004); (6) this work.

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