Table 1: Limits on positron rates from SPI upper limits for XRB sources of interest. The positron rates were calculated assuming a positronium fraction of 95%. The bottom part of the table lists microquasar sources, the last two or three being misaligned ones.

Source Type Distance l b 3 $\sigma$ flux limit Positron rate

(kpc) (deg) (deg) (10^-4 cm² s^-1) (e ⁺ s^-1)

GX 349+2 LMXB $\lesssim$ 10 349.1 2.75 0.8 $\lower.5ex\hbox{$\; \buildrel > \over \sim \;$ }$ 1.7 $\times 10^{42}$

GX 5-1 LMXB 8 5.08 -1.02 0.7 $9.4 \times 10^{41}$

Nova Muscae LMXB 3 295.3 -7.07 2 $3.8 \times 10^{41}$

A 0620-00 LMXB 2 209.96 -6.54 3.8 $3.1 \times 10^{41}$

Cen X-4 LMXB 1.2 332.24 23.89 1.7 $5.2 \times 10^{40}$

GRS 1915+105 LMXB 12.5 45.37 -0.22 1 $3.3 \times 10^{42}$

Cir X-1 LMXB 10 322.12 0.04 1.1 $2.3 \times 10^{42}$

Cyg X-3 HMXB 9 79.85 0.7 1 $1.7 \times 10^{42}$

1E 1740.7-2942 LMXB 8.5 359.1 -0.11 0.9 $1.4 \times 10^{42}$

GRS 1758-258 LMXB 8.5 4.51 -1.36 0.7 $1.1 \times 10^{42}$

GX 339 LMXB $\lower.5ex\hbox{$\; \buildrel > \over \sim \;$ }$ 8 0.68 -0.22 0.8 $\lesssim$ 10⁴²

SS 433 HMXB 4.8 39.69 -2.24 0.9 $4.5 \times 10^{41}$

LS 5039 HMXB 2.9 16.88 -1.29 0.9 $1.5 \times 10^{41}$

Sco X-1 LMXB 2.8 359.1 23.78 1.5 $2.4 \times 10^{41}$

Cyg X-1 HMXB 2.5 71.33 3.07 1 $1.4 \times 10^{41}$

XTE J1118+480 LMXB 2.5 157.66 62.32 4.5 $5.9 \times 10^{41}$

LS I +61^o 303 HMXB 2 135.68 1.09 3.3 $2.8 \times 10^{41}$

IGR J17091-3624 ? 8.5? -10.48 2.21 0.7 $1.1 \times 10^{42}$

IGR J17303-0601 LMXB 8.5? 17.93 -1.61 0.9 $1.4 \times 10^{42}$

IGR J17464-3213 LMXB 8.5? -2.87 15.01 0.9 $1.4 \times 10^{42}$

IGR J18406-0539 ? 8.5? 26.67 -0.17 1 $1.5 \times 10^{42}$

X Nor X-1 LMXB 8.5? -23.09 0.25 1 $1.6 \times 10^{42}$

IGR J17418-1212 ? 8.5? 13.93 9.41 0.9 $1.4 \times 10^{42}$

XTE J1550-564 Misaligned? 5.3 -34.12 -1.83 1.1 $6.6 \times 10^{41}$

V4641 Sgr Misaligned 9.6 6.77 -4.79 0.7 $1.4 \times 10^{42}$

GRO J1655-40 Misaligned 3.2 -15.02 2.46 0.8 $1.7 \times 10^{41}$

**Table 1:** Limits on positron rates from SPI upper limits for XRB sources of interest. The positron rates were calculated assuming a positronium fraction of 95%. The bottom part of the table lists microquasar sources, the last two or three being misaligned ones.
Source	Type	Distance	l	b	3 $\sigma$ flux limit	Positron rate
		(kpc)	(deg)	(deg)	(10^-4 cm² s^-1)	(e ⁺ s^-1)
GX 349+2	LMXB	$\lesssim$ 10	349.1	2.75	0.8	$\lower.5ex\hbox{$\; \buildrel > \over \sim \;$ }$ 1.7 $\times 10^{42}$
GX 5-1	LMXB	8	5.08	-1.02	0.7	$9.4 \times 10^{41}$
Nova Muscae	LMXB	3	295.3	-7.07	2	$3.8 \times 10^{41}$
A 0620-00	LMXB	2	209.96	-6.54	3.8	$3.1 \times 10^{41}$
Cen X-4	LMXB	1.2	332.24	23.89	1.7	$5.2 \times 10^{40}$
GRS 1915+105	LMXB	12.5	45.37	-0.22	1	$3.3 \times 10^{42}$
Cir X-1	LMXB	10	322.12	0.04	1.1	$2.3 \times 10^{42}$
Cyg X-3	HMXB	9	79.85	0.7	1	$1.7 \times 10^{42}$
1E 1740.7-2942	LMXB	8.5	359.1	-0.11	0.9	$1.4 \times 10^{42}$
GRS 1758-258	LMXB	8.5	4.51	-1.36	0.7	$1.1 \times 10^{42}$
GX 339	LMXB	$\lower.5ex\hbox{$\; \buildrel > \over \sim \;$ }$ 8	0.68	-0.22	0.8	$\lesssim$ 10⁴²
SS 433	HMXB	4.8	39.69	-2.24	0.9	$4.5 \times 10^{41}$
LS 5039	HMXB	2.9	16.88	-1.29	0.9	$1.5 \times 10^{41}$
Sco X-1	LMXB	2.8	359.1	23.78	1.5	$2.4 \times 10^{41}$
Cyg X-1	HMXB	2.5	71.33	3.07	1	$1.4 \times 10^{41}$
XTE J1118+480	LMXB	2.5	157.66	62.32	4.5	$5.9 \times 10^{41}$
LS I +61^o 303	HMXB	2	135.68	1.09	3.3	$2.8 \times 10^{41}$
IGR J17091-3624	?	8.5?	-10.48	2.21	0.7	$1.1 \times 10^{42}$
IGR J17303-0601	LMXB	8.5?	17.93	-1.61	0.9	$1.4 \times 10^{42}$
IGR J17464-3213	LMXB	8.5?	-2.87	15.01	0.9	$1.4 \times 10^{42}$
IGR J18406-0539	?	8.5?	26.67	-0.17	1	$1.5 \times 10^{42}$
X Nor X-1	LMXB	8.5?	-23.09	0.25	1	$1.6 \times 10^{42}$
IGR J17418-1212	?	8.5?	13.93	9.41	0.9	$1.4 \times 10^{42}$
XTE J1550-564	Misaligned?	5.3	-34.12	-1.83	1.1	$6.6 \times 10^{41}$
V4641 Sgr	Misaligned	9.6	6.77	-4.79	0.7	$1.4 \times 10^{42}$
GRO J1655-40	Misaligned	3.2	-15.02	2.46	0.8	$1.7 \times 10^{41}$

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