34 



(533) 



PAKALLAXES OF STAKS— BOOTH AND SCHLESINGEK. fMEMOIBS [ vou I .xix I ; 

 70 Pegasi, 23 h 24 m , + 12° 13'. 



+13.30 c+ 14.22^-3.62 77 = - 0.0398 mm. c=-0.0041mm. 

 +294.36 +0.47 =+ .1941 n=+ .00086. 



+8.97 =+ .0085 tt = - .00076. 



Probable error for unit weight, ± .0018 mm. = ±".026. 

 Annual proper motion in R. A., + ".046 ±".006. 

 Relative parallax, - ".011 ±".009. 



The spectroscopic determination of this parallax at Mount Wilson yields +0".014. Boss 

 gives +0".059 for the proper motion. 



(534) 



72 Pegasi, 23 h 29 m , +30° 46'. 



+11.20 c- 4.92u-0.63tt=- 



+59.91 +2.01 =+ 



+7.16 = + 



Probable error for unit weight, ± 



Annual proper motion in R. A., + 



Relative parallax, 



0.0175 mm. c=— 0.0011 mm. 



.0719 m=+ .00110. 



.0044 tt=+ .00021. 



.0019 mm. = ±".028. 

 '.059 ±".01.3. 

 '.003 ±".011. 



The spectroscopic determination of this parallax at Mount Wilson yields +0".009. Boss 

 gives +0".055 for the proper motion. 



This is a close binary (/3 720) whose components are equally bright. The orbital motion 

 is comparatively rapid. 



