CATALOGUE OF BINARY STARS. 



217 



Leonis. 



2 153(3- 



K. A. ii'i 16"^ 533. 



Dec. N. 11° 16' 36". 



Mags, a =4, b =-]\. 

 Colours: Smyth, 1843, pale yellow, 

 light blue; Webb, 1849, pale yell., 

 pale blue; Main, 1862, yell. blue. 



D. 



Struve 



Smyth 



Main 



Dembowski 



Secehi 



Dawes 



Talraage 



Epoch. 



P. 



1827-28 



97-00 



1 836*40 



90-50 



1853-29 



81-30 



i862"25 



73-54 



1863-23 



76-70 



1865-27 



76-55 



1865-40 



72-13 



1866-31 



75-5« 



2-30 



2*40 

 2-50 

 2-72 



2-51 



2-88 

 2-8i 

 3-17 



ViRGINIS 191. 



2 1647. 



E. A. i860, 12I123™ 30^ 

 Dec. N. 10° 49'. 

 Mags. a=7-|, 6 =8. 

 Colours: Secehi, 1856, both white. 



Struve.. 

 Miidler 



Secehi 



Dembowski 



1830-07 

 1835-06 

 1850-66 



1856-35 

 1863-24 



202-04- 

 204-23 

 211-72 

 21 1 '67 

 212-90 



ri8 



1-20 

 1-23 

 1-19 

 1-39 



y ViRGINIS. 2 1670. 



E. A. it}" 34°i 50S. 



Dec. S. 0° 42' 34". 



Mags, a =4, b =4. 

 Colours: Smyth, 1843, silvery whi., 

 pale yell. ; Webb, 1851, yellowish 

 white; do. 1863, pale yell. ; Main, 

 1863, white. 



Mayer 1756-00 144-22 6-50 



Herschel 1780-06 130-44 570 



Struve 1825-32 277-92 2-37 



Smyth 1831-38 74-90 i-6o 



1837-21 265-40 0-60 



1843-33 191-60 1-90 



1858-38 170-01 3-56 



1858-39 169-90 3-80 



1863-30 164-35 4-05 



1864-41 165-54 4-28 



1865-42 164-02 4-37 



1865-43 164-10 4-04 



1865-45 164-33 4-33 



1866-31 164-28 4-39 



1866-36 162-40 4-51 



1866-44 164-92 4-34 



Pletcher .... 



Smyth 



Main 



Secehi 



Dawes 



Dembowski 



Knott 



Secehi 



Talmage 



Main 



35 CoM/E Berenicis. S 1687. 



E. A. iT.^ 46'" 39S. 

 Dec. N. 21° 58' 49". 

 A:B. 



Mags. (Secehi), a =K,\,b — 8^. 

 Colours: Smyth, 1843, pale yell., 

 lilac; Secehi, 1856, yellow, blue. 



D. 



Struve 



Smyth 



Secehi , 



Morton .... 



Dawes 



Dembowski 

 Knott 



Epoch. 



P. 



1829-99 





 25-39 



1834-38 



30-00 



1843-32 



42-00 



1856-40 



41-45 



1856-34 



50-13 



1860-34 



47-68 



1863-26 



50-33 



1865-31 



52-87 



1-43 



I -00 



1-50 

 I-3I 



1-32 



1-44 



1-30 



1-31 



42 CoMiE Berenicis. 



2 1728. 



E. A. 131 3™ 26^. 

 Dec. N. 18° 14' 34''. 

 Mags, a =4^, 6=5. 

 Colours : Smyth, 1 842, both p. yell. ; 

 Dembowski, 1863, both white. 



Struve.. 



0-64 



0-30 

 0-30 

 0-47 

 0-65 



0-36 

 0-25 



* These measures should perhaps be 

 + 180. 



Smyth 



Secehi , 



Morton 



Dembowski 



Dawes , 



Secehi 



1827-83 



*9-5o 



1836-41 



190-20 



1842-50 



*5-oo 



1856-96 



192-45 



1856-28 



190-44 



1863-23 



189-10 



1864-43 



193-41 



1865-53 



193-95 



P. XIII. 127 YlRGINIS. 



s 1757. 



E. A. 13'! 27™ zf. 

 Dec. N. 0° 22' 38". 

 Mags, a =8, 5 =g. 

 Colours: Smyth, 1843, pale white, 

 yellowish; Secehi, 1856 white. 



Struve 1825-37 



Smyth 1842-52 



„ 1852-38 



Secehi .,.. 1856-88 



Dawes 1860-34 



Dembowski .. 1863-32 



10-00 



37-90 

 51-70 

 52-94 



54-31 

 59-04 



1-60 



1-70 



2-31 



2-00 



Orbital period about 240 years, 

 Smyth. 



SER. III. VOL. III. 



