Table 1: Orbital and physical parameters.
Parameter Gl 581 b

P [days] 5.366 $\pm$ 0.001

T [JD-2 400 000] 51 004.30 $\pm$ 0.06

e 0. (fixed)

V [km s^-1] -9.212 $\pm$ 0.001

$\omega$ [deg] 0. (fixed)

K [m s^-1] 13.2 $\pm$ 0.4

$a_1 \sin{i}$ [10^-3 AU] $0.652\times10^{-2}$

f(m) [10 $^{-9} ~M_{\odot}$ ] $0.1354\times10^{-2}$

$m_2 \sin{i}$ [ $M_{{\rm Earth}}$ ] 16.6

a [AU] 0.041

$N_{{\rm meas}}$ 20

$\it Span$ [days] 440

$\sigma$ (O-C) [m s^-1] 2.5

**Table 1:** Orbital and physical parameters.
Parameter	Gl 581 b
P	[days]	5.366 $\pm$ 0.001
T	[JD-2 400 000]	51 004.30 $\pm$ 0.06
e		0. (fixed)
V	[km s^-1]	-9.212 $\pm$ 0.001
$\omega$	[deg]	0. (fixed)
K	[m s^-1]	13.2 $\pm$ 0.4
$a_1 \sin{i}$	[10^-3 AU]	$0.652\times10^{-2}$
f(m)	[10 $^{-9} ~M_{\odot}$ ]	$0.1354\times10^{-2}$
$m_2 \sin{i}$	[ $M_{{\rm Earth}}$ ]	16.6
a	[AU]	0.041
$N_{{\rm meas}}$		20
$\it Span$	[days]	440
$\sigma$ (O-C)	[m s^-1]	2.5

Source LaTeX | All tables | In the text

	1 Introduction
	2 Properties of Gl 581
	3 Doppler measurements and orbital analysis
	4 Discussion
	References
	Online Material