“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

0.1025

0.1025

0.8

0.2103

0.2094

0.2095

0.7

0.3219

0.3195

0.3201

0.6

0.4360

0.4307

0.4322

0.5

0.5497

0.5396

0.5431

0.4

0.6595

0.6418

0.6488

0.3

0.7609

0.7317

0.7444

0.2

0.8491

0.8036

0.8241

0.1

0.9181

0.8514

0.8804

0

0.9559

0.8689

0.9018