Calculations for a putative FRB behind Virgo

In [8]:

    

# imports
from importlib import reload

from astropy import units

from frb import halos


    

In [12]:

    

reload(halos)
virgo = halos.Virgo()


    

In [13]:

    

virgo


    

    
Out[13]:





<Virgo: 12:30:49 +12:23:28, logM=14.880390, r200=1.2 Mpc>

In [14]:

    

Rperp = 0.67 * units.Mpc


    

In [16]:

    

virgo.Ne_Rperp(Rperp, rmax=2.)


    

    
Out[16]:





$326.64668 \; \mathrm{\frac{pc}{cm^{3}}}$

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