“a”

$\left(t_0-t\right)$ in ΛCDM Model

$\left(t_0-t\right)$ in Model A

$\left(t_0-t\right)$ in Model B

1

0

0

0

0.9

0.1026

0.1128

0.1086

0.8

0.2103

0.2304

0.2221

0.7

0.3219

0.3515

0.3393

0.6

0.4360

0.4739

0.4581

0.5

0.5497

0.5937

0.5757

0.4

0.6595

0.7061

0.6877

0.3

0.7609

0.8051

0.7891

0.2

0.8491

0.8842

0.8735

0.1

0.9181

0.9368

0.9332

0

0.9559

0.9560

0.9559