 1.1
----------
 梥⭠ ⮬᪠ ⥬ 
஬᪨ ᠬ ਭ 50 ६  
業ࠬ, ᯮ묨    3525, 4325  5525
६.  ⢥ ⠭ ⥬    Oph
(BS 6629, HD 161868) ᯥࠫ쭮  A0 V.  ।
⮩ ⥬  ⥫ 梥 ⠭ ࠢ ,  
 1(BS6629)=m(4325)-m(3525)=0;
 2(BS6629) m(5525)-m(4325)=0.

। ⥫ 梥 c1  c2  
ᨣ Ori=BS1931; 109Vir=BS5511;  Boo=BS5185   Peg=BS9064.
ࠢ  ⥫ 梥  ⥫ﬨ 梥 (U-B) 
(B-V)  ⥬ UBV.
ᯮ 묨  ᪮᪮ ᯥ⮬᪮
⠫ (..設, ..譥  ., "⮬
ન " :. 㪠. 1982)   ⠫ ન  (The
D.Hoffleit, Bright Star Catalogue, ed.4., 1982).

 1.2.
----------
 梥⭠ ⮬᪠ ⥬ 
஬᪨ ᠬ ਭ 50 ६  
業ࠬ, ᯮ묨    5525, 6425, 6575  6725
६.  ⢥ ⠭ ⥬    Oph
(BS 6629, HD 161868) ᯥࠫ쭮  A0 V.  ।
⮩ ⥬  ⥫ 梥 ⠭ ࠢ ,  
 1(BS6629)=m(5525)-m(6425)=0;
 2(BS6629) m(5525)-m(6575)=0.
 3(BS6629) m(5525)-m(6725)=0.

। ⥫ 梥 c1, c2  c3  
ᨫ Tau=BS1409.  ࠢ  ⥫ 梥 
⥫ﬨ 梥 (U-B)  (B-V)  ⥬ UBV.
ᯮ 묨  ᪮᪮ ᯥ⮬᪮
⠫ (..設, ..譥  ., "⮬
ન " :. 㪠.  1982)   ⠫ ન  (The
D.Hoffleit, Bright Star Catalogue, ed.4., 1982).

 1.3
----------
 梥⭠ ⮬᪠ ⥬ 
஬᪨ ᠬ ਭ 50 ६  
業ࠬ, ᯮ묨    3525, 4325  5525
६.  ⢥ ⠭ ⥬    Oph
(BS 6629, HD 161868) ᯥࠫ쭮  A0 V.  ।
⮩ ⥬  ⥫ 梥 ⠭ ࠢ ,  
 1(BS6629)=m(4325)-m(3525)=0;
 2(BS6629) m(5525)-m(4325)=0.

। ⥫ 梥 c1  c2  
ᨣ Ori=BS1931   Oph=BS6175.
ࠢ  ⥫ 梥  ᮡ.
ᯮ 묨 
᪮᪮ ᯥ⮬᪮ ⠫ (..設,
..譥  ., "⮬ ન " :. 㪠.
1982)   ⠫ ન  (The D.Hoffleit, Bright Star
Catalogue, ed.4., 1982).

 2.1
----------
ઠ  S1  ᪮쪮  ᫠  S2 
 ᯥࠫ ⨯     㣠 ਬ୮ 
1 ࠤ.    ࠩ    V.
᭮ ⮬᪮ ⠫ V(S2)-V(S1)=2.00 mag.
᪨ ⮬, ࠡ騩  ⮤  ⮭
ॣ஢    
N1 = 966184  N2 = 392620 ᮢ/ᥪ.

業 ⢮ ६ "" 稪 ⮭.
ﭨ 䮭   ⥬ ⮪ ७.


 2.2
----------
 ୮ ᯥਬ ⮬   ⮭  
ࠧ 祭 饣 ᮪ 殮 ᫥騥 
 ⥬   ஫쭮 筨 ᢥ:

U ()  =  900 1000 1100 1200 1300 1400  1500
DC(/ᥪ)=    0    0    2   21  153  206   318
N (/ᥪ)=    0    0    7   76  769 7692 15384

U ()  =  1600  1700  1800  1900  2000  2100
DC(/ᥪ)=   355   511  1008  3021  6090  9915
N (/ᥪ)= 19230 20769 22523 36923 53846 98756

롥 ࠡ   ᮪ 殮

 2.3
----------
᪨ ⮬   ⮭ 
   ᫠   1000 /ᥪ,  ⮬ ᫥
  (䮭 +⥬ ⮪) ⠢ ਬ୮ 500 /ᥪ.

業 ६ , 室  ⨦
᪮ 筮 1%.

 3.3
----------
  ६ t1 ᫥㥬  室  譮
 1.8,  ⨭ 祭 樥 㣥 
ᯮ㥬 ஬᪮  ࠢ﫮 0.25 mag.
  ६ t2  諠  譮  1.3, 
⨭ 祭 樥 㣥   ⠫ ࠢ
0.23 mag.   ࠡ⪨ ⥫ 稫  ࢠ
६  t1  t2 ਡ 祭 樥 㣥,
ࠢ 0.24 mag, ஥  ᯮ짮  ᫥
⬮  稭.

 饥  ᪠ , 祭
⥫  ࢠ ६ t1 -- t2?

 3.4
----------
 祭 ⪮ ஬⪠ ६, । ண
室    ६ 00h 30m 00s   V
७  ⠭ S1  S2  ᯥࠫ
⨯ (ਬ,  A0 V). ᭮ ⮬᪮ ⠫,
न  ⬮  稭  ⠭⮢
  V ࠢ, ᮮ⢥⢥,
S1: R.A.= 00h 53m 06s  Dec. = +61 07' V=4.797;
S2: R.A.= 06h 37m 36s  Dec. = +56 51' V=5.877;
 ஢  ࢠਨ,  ன
ࠢ 43 04'.
 ७ 稪 ⮭  䨫 V 
,  ᫥ ⠭ 䮭   ࠢ 
  ࠢ:
        S1:  246065 /ᥪ
        S2:   71842 /ᥪ

। 㣥஢᪨ 樥 ⬮୮ ⨭樨 
 V   .

 3.5
----------
   -᪮ ࢠਨ (2760   ஢
) 뫮 祭 祭 樥 ⬮୮ ⨭樨
  B, ࠢ 0.23 mag  ,  ⥫ 梥
(B-V)=0.00.

 ࠢ 訡 ᫥ ⬮୮  稭,
᫨ ᯮ짮  樥  뭮  
(B-V)=0.67 mag, 襩  譮  1.5?
祭    B, 祭   
ࠢ 0.030 .