Table 1: Basic properties of the four observed sources. IRAS 21582+1018 is also known as Mrk 520.
Source ${\rm\alpha_{2000}}$ ${\rm\delta_{2000}}$ ${V_\odot}$ L_IR L_X (0.5-2 keV) IRAS

(km s^-1) (10¹⁰ $L_\odot$ ) (10⁴² ergs s^-1) ( $25/60~\mu$ m flux ratio)

Mrk 359 $\rm01^{h}27^{m}32~\hbox{$.\!\!^{\rm s}$ }3$ $19^{\circ}$ 10 $\hbox{$^\prime$ }$ 39 $\hbox{$^{\prime\prime}$ }$ 5100 3.28 34.1 0.39

Mrk 1388 $\rm 14^{h}50^{m}37~\hbox{$.\!\!^{\rm s}$ }8$ $22^{\circ}$ 44 $\hbox{$^\prime$ }$ 04 $\hbox{$^{\prime\prime}$ }$ 6350 2.34 2.3 1.33

IRAS 14201+2956 $\rm 14^{h}22^{m}20~\hbox{$.\!\!^{\rm s}$ }2$ $29^{\circ}$ 42 $\hbox{$^\prime$ }$ 55 $\hbox{$^{\prime\prime}$ }$ 15700 15.8 13.7 0.21

IRAS 21582+1018 $\rm 22^{h}00^{m}41~\hbox{$.\!\!^{\rm s}$ }4$ $10^{\circ}$ 33 $\hbox{$^\prime$ }$ 08 $\hbox{$^{\prime\prime}$ }$ 8200 23.1 5.7 0.12

**Table 1:** Basic properties of the four observed sources. IRAS 21582+1018 is also known as Mrk 520.
Source	${\rm\alpha_{2000}}$	${\rm\delta_{2000}}$	${V_\odot}$	L_IR	L_X (0.5-2 keV)	IRAS
			(km s^-1)	(10¹⁰ $L_\odot$ )	(10⁴² ergs s^-1)	( $25/60~\mu$ m flux ratio)
Mrk 359	$\rm01^{h}27^{m}32~\hbox{$.\!\!^{\rm s}$ }3$	$19^{\circ}$ 10 $\hbox{$^\prime$ }$ 39 $\hbox{$^{\prime\prime}$ }$	5100	3.28	34.1	0.39
Mrk 1388	$\rm 14^{h}50^{m}37~\hbox{$.\!\!^{\rm s}$ }8$	$22^{\circ}$ 44 $\hbox{$^\prime$ }$ 04 $\hbox{$^{\prime\prime}$ }$	6350	2.34	2.3	1.33
IRAS 14201+2956	$\rm 14^{h}22^{m}20~\hbox{$.\!\!^{\rm s}$ }2$	$29^{\circ}$ 42 $\hbox{$^\prime$ }$ 55 $\hbox{$^{\prime\prime}$ }$	15700	15.8	13.7	0.21
IRAS 21582+1018	$\rm 22^{h}00^{m}41~\hbox{$.\!\!^{\rm s}$ }4$	$10^{\circ}$ 33 $\hbox{$^\prime$ }$ 08 $\hbox{$^{\prime\prime}$ }$	8200	23.1	5.7	0.12

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