Hubble's Law and the Expansion of the Universe - Worksheets

Table 1:  Observing Log
 
 
Field Name
Integration Time
Photon Count
Signal to Noise
  
Coma
 
  
   
  
 
 Ursa major I
 
  
  
  
 
Ursa major II
 
  
  
  
 
Bootes
 
  
  
  
 
Cor Bor
 
  
  
   
 
Table 2:  Velocity Determinations
 
 
Field Name

   lK      

     
 lH 
    

VK [km/s]

VH [km/s]

Vave [km/s]
 
Coma
 
          
 
Ursamajor I
 
 
 
 
 
 
 
Ursa major II
 
 
 
 
 
 
 
Bootes
 
 
 
 
 
   
 
Cor Bor
 
               

Table 3:  Distance Determinations
 
 
Field Name
Absolute Magnitude
Apparent Magnitude
Distance (pc)
Distance (Mpc)
 
Coma
 
 
 
 
 
 
Ursa major I
 
  
 
 
 
 
Ursa major II
 
 
 
 
 
 
Bootes
 
 
 
 
 
 
Cor Bor
 
 
      

Results from the Hubble Diagram

Hubble Constant, Ho:

      Ho from best-fit line =
 

      How does this result compare with present estimates of Ho?