We estimate the acceleration on the Local Group ( LG ) from the Two Micron All Sky Redshift Survey ( 2MRS ) .
The sample used includes about 23,200 galaxies with extinction corrected magnitudes brighter than K _ { s } = 11.25 and it allows us to calculate the flux weighted dipole .
The near-infrared flux weighted dipoles are very robust because they closely approximate a mass weighted dipole , bypassing the effects of redshift distortions and require no preferred reference frame .
This is combined with the redshift information to determine the change in dipole with distance .
The misalignment angle between the LG and the CMB dipole drops to 12 ^ { \circ } \pm 7 ^ { \circ } at around 50 h ^ { -1 } { Mpc } , but then increases at larger distances , reaching 21 ^ { \circ } \pm 8 ^ { \circ } at around 130 h ^ { -1 } { Mpc } .
Exclusion of the galaxies Maffei 1 , Maffei 2 , Dwingeloo 1 , IC342 and M87 brings the resultant flux dipole to 14 ^ { \circ } \pm 7 ^ { \circ } away from the CMB velocity dipole In both cases , the dipole seemingly converges by 60 h ^ { -1 } { Mpc } .
Assuming convergence , the comparison of the 2MRS flux dipole and the CMB dipole provides a value for the combination of the mass density and luminosity bias parameters { \Omega _ { m } } ^ { 0.6 } / b _ { L } = 0.40 \pm 0.09 .