topajs_comdis_er

result = ajs_comdis_er(z)

Parameters

z

topajs_lookback_er

result = ajs_lookback_er(z)

Parameters

z

topajs_comdis

result = ajs_comdis(z [, omega_m=omega_m] [, omega_l=omega_l] [, h0=h0] [, c=c] [, slow=slow] [, lookback_time=lookback_time])

Parameters

z

Redshift (or array of values)

Keywords

omega_m in optional

Matter density (default 0.3)

omega_l in optional

Vacuum energy density (default 0.7)

h0 in optional

Hubble constant (default 100)

c in optional

Speed of light (default 299792.458 km/s)

slow in optional

Set /slow to force calculation for each value (defaults to interpolation if input array has more then 10,000 elements)

lookback_time in optional

Set /lookback_time to return lookback time in seconds. See ajs_lookback_time and ajs_zage.

Author information

History:

13 Mar 2008 Written, Anthony Smith 10 Oct 2008 Added lookback_time, AJS 16 Jan 2009 Corrected bug, which was affecting large input arrays