Полярные геомагнитные возмущения и связанные с ними явления : материалы международного симпозиума «Полярные геомагнитные явления», 25-31 мая 1986 г., Суздаль / Междунар. геодез. и геофиз. союз, междунар. ассоциация геомагнетизма и аэрономии, АН СССР, КНЦ, ПГИ. – Апатиты : [б. и.], 1989.

where V* ie th e modul o f th e pseudogas velocity, Q* - the ang le between th e l in e o f th e c u rr e n t and th e a x is 0_ (actually the Sun-Moon l i n e ) , a*- * Jw v e lo o it y o f th e sound, (a ) = ( 0 p /3 s )3*_ CQas t , jj * - th e angle o f Maoh, yi2 = a rc sin ( 1 / Maoh number. The r e s u lt s o b ta in e d i n / 1 7 / by equa ting system (1 ) and reduced from pseudogas a re shown in P ig . 10. By u s in g these r e s u lt s and th e method m entioned i n / 1 8 / an e s tim a tio n can be made o f th e e f f e c t o f th e sm a ll i r r e g u l a r i t i e s o c c u rin g due to th e plasma wake o f the Moon. We have done com pu ta tion s i n th e m e rid io n a l p lane o n ly i n th e phase o f the new Moon. T h is e n ab le s us to g iv e sm a ll i r r e g u l a r i t i e s o n ly i n the e l l i p t i c a l p a r t o f th e magnetosheath re g io n ( P ig . 1 1 ). Por t h i s purpose we c o n s id e r th e H ugon lo t r e l a t i o n i n p o in t A and p re se n t i t i n th e fo rm i ( W i )2F = f w ^ T ,M 1 ,tjp ^A )(Wi ) (2) where ( w ^ ) 2 a re th e param e te rs o f th e f u l l stream a f t e r the bow shook wave. Por th e param e te rs o f th e stream a f t e r the Moon i n /1 7 / we o b ta in th e fo llo w in g e s tim a tio n s : u D v D p ^ P ^ ■77--------- = 1.006 ; ---------- = 1.006 ; -------- = 0.9 ; - p ------- = 0.9 U o o U o o P o o “ 0 0 w h ich upon s u b s t it u t io n i n (2 ) y ie ld s : F = 1.006 f j , (T , М, , tgr д ) v 2 = 1.006 f v С г , M1 , t g ч д ) F = 0.9 f p ( r , M1 , t ? Ч д ) P 2F = (0.9 ) T f p ( T , M , t S * л ). F ~ We p re s e n t th e f u l l stream as w 2 •- = + W 2 ( w ° i s th e base f l u x , and w - th e i r r e g u l a r i t i e s , as w « w ° ) and re c e iv e f o r th e v e lo c it ie s ( v x = p , V y = v ) , th e d e n s ity and th e p re s su re o f th e sm a ll i r r e g u l a r i t ie s a f t e r th e bow shock wave th e e x p re s s io n s a re as fo llo w s : “2 U 00 h _ = 0.006 f M ( r , ( 3 ) = 0.006 f v ( r , M 1t tgr 4 ) (4 ) . - 0 '. l f p ( T , M 1 ( tg f ) (5 ) pcxj » -El. = [ c o . 9 ) r - 1 ] f p (r, M, ,tgr ^A ). p 00 ( 6 ) The r e s u lt s o b ta in e d by s o lv in g th e e q u a tio n system i n / 1 8 / unde r i n i t i a l c o n d itio n s ( 3 - 6 ) , i . e . a t sm a ll i r r e g u l a r i t i e s , caused by th e plasma wake o f II2