An empirical mass-loss law for Population II giants from the Spitzer-IRAC survey of Galactic globular clusters

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Volume 564 (April 2014)

A&A, 564 (2014) A136

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Table 2

Star counts from the photometric Spitzer-IRAC survey.

Cluster	Dusty	Dusty	Fractional numbers^k
	RGB	AGB+LPV^a	M_bol(RGB) ≤ −1.5	−1.5 <M_bol(RGB) ≤ −0.6	M_bol(AGB) ≤ −1.5

NGC 362	12	11^b	0.16	0.04	0.40
NGC 1851	9	3^c	0.13	0.02	0.26
NGC 2808	48	9^d	0.22	0.06	0.17
NGC 5272 (M 3)	11	4^e	0.14	0	0.18
NGC 6093 (M 80)	12	2^f	0.18	0.02	0.10
NGC 6205 (M 13)	8	1^e	0.09	0	0.12
NGC 6341 (M 92)	4	2^g	0.03	0.02	0.18
NGC 6388	69	21^h	0.19	0.10	0.27
NGC 6440	40	10^b	0.24	0.10	0.24
NGC 6441	75	12ⁱ	0.24	0.06	0.54
NGC 6752	5	0^j	0.15	0	0.00
NGC 7078 ( M15)	.5	3^g	0.04	0	0.16

Notes.

^(a)

LPVs from Clement et al. (2001).

^(b)

From Piotto et al. (2002), supplemented with WFI photometry (Dalessandro et al. 2013b) in the external region.

^(c)

From Lanzoni, priv. comm., supplemented with WFI photometry in the external region.

^(d)

From Dalessandro et al. (2011).

^(e)

From Ferraro et al. (1997).

^(f)

From Ferraro et al. (1999b), supplemented with WFI photometry in the external region.

^(g)

From Beccari, priv. comm.

^(h)

From Dalessandro et al. (2008).

⁽ⁱ⁾

From Valenti, priv. comm.

^(j)

From Sabbi et al. (2004).

^(k)

Fractional number of dusty RGB and AGB stars corrected for incompleteness and field contamination (see Sect. 4 for more details).

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