Fermions

Observable

v h rms ( 1 ) [ km / s ]

a h NR × 10 6

m h [ eV ]

k fs [ Mpc 1 ]

l o g 10 ( M fs / M )

Spiral galaxies

0.76 ± 0.29

2.54 ± 0.97

79 17 + 35

0.80 0.24 + 0.42

12.08 ± 0.50

No freeze-in/-out

0.81 0.25 + 0.47

2.69 0.84 + 1.57

75 ± 23

0.76 ± 0.31

12.14 ± 0.52

M s distribution

0.90 0.34 + 0.44

11.93 ± 0.56

Bosons

Observable

v h rms ( 1 ) [ km / s ]

a h NR × 10 6

m h [ eV ]

k fs [ Mpc 1 ]

l o g 10 ( M fs / M )

Spiral galaxies

0.76 ± 0.29

2.54 ± 0.97

51 11 + 22

0.51 0.15 + 0.28

12.66 ± 0.50

No freeze-in/-out

0.26 0.08 + 0.16

0.88 0.28 + 0.52

distribution