Search for cold debris disks around M-dwarfs. II | Astronomy & Astrophysics (A&A)

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Table 5:

SCUBA observations of the M-dwarfs associated with moving groups in survey I (Lestrade et al. 2006).
Star	Sp.	Dist.	Integration	Flux density ^a	Size ^b
	type	(pc)	time	850 $\mu$ m	(AU)
			(h)	(mJy)
GJ82	M4	12.0	2	2.0 $\pm$ 1.4	84
GJ212	M0.5	12.5	2	1.3 $\pm$ 1.4	88
GJ285^c	M4.5	5.9	1	-0.7 $\pm$ 1.9	41
GJ393^c	M2	7.2	1	1.9 $\pm$ 1.9	50
GJ507.1	M1.5	17.4	1	-0.4 $\pm$ 2.0	121
GJ696	M0	21.9	2	0.8 $\pm$ 0.8	150
GJ9809^c	M0	24.9	1	-5.2 $\pm$ 2.3	174
GJ4247^c	M4	9.0	1	1.1 $\pm$ 2.1	63
GJ277B	M3.5	11.5	1	-2.1 $\pm$ 1.8	80
GJ842.2	M0.5	20.9	4	25.0 $\pm$ 4.6	300
GJ890	M2	21.9	2	-2.6 $\pm$ 1.6	153
GJ875.1	M3	14.2	1	0.52 $\pm$ 2.1	99

^a Flux density from wide photometry. ^b Size is the radius of a debris disk as large as the telescope beam (14''). ^c Stars also observed by MAMBO-2 in Tables 3 and 4.

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