Introduction to Cosmology

0.0 0.2 0.4 0.6 0.8 1.0

ΩM

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

Ω

λ

Decelerating

Accelerating

No Big

Bang

Figure 8.5The 1휎and 2휎cosmological constraints in훺m,훺휆space using PanSTARRS1 super-
nova data [13], Planck CMB data [6], BAO [14] and퐻 0 data [6] with statistical and systematic
errors propagated. Reproduced with permission of Armin Rest for the PanSTARRS1 Collabo-
ration.