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ANALISIS DIAGRAM O-C(OBSERVED CALCULATED)
PADA BINTANG GANDA GERHANA
Dhimaz Gilang Ramadhan
(10309013)
Dosen Pembimbing :
Dr. Hakim L. Malasan
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!"L#$%
&in'ang ganda gerhana
Diagram O-C (Observed - Calculated)
nalisis Diagram O-C &in'ang Ganda
Gerhana Periode kons'an
Periode berbah kons'an
Light Travel Time Efect
Gerak a*sidal dan kons'an'a s'rk'r in'ernalbin'ang
Ren+ana "gas khir
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$"$G G$D G%RH$
KLASIFIKASI KURVACAHAYA
1. "i*e lgol
,. "i*e - Lra3. "i*e / !Ma
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$"$G G$D G%RH$(,)
Minimm Primer dan Minimmeknder mer*akan 'r nik dari
bin'ang ganda gerhana
"oM
"oM
ToM= Time of
MinimumLigh
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O-C (Observed - Calculated)
Diagram
Plo' ang menn2kkan selisih!"#e$%e& '!('imes oma4ima5minima ("oM) denganC)*+u*)e& 'C('imes oma4ima5minima ("oM) sebagai ngsidari 6ak'
bser7ed "oM dida*a' dari*engama'an
8al+la'ed "oM dida*a' dari
e*hemeris :
"min "0
P %
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Menghi'ng "ime oMinimm
Me'ode Her'zs*rng
Me'ode ;6ee 19?,)
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MET!DE K,EE-VAN ,!ERDEN '.(
H/D
0m)g
1. Plo' ;r7a 8ahaa,. "en'kan "ebakan 6al !n'k "oM ('0)> ba'
smb di '0
m1
m,m3
m@
mA
m1
19A,)
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$L## ,00A)
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$L##
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$L##
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L#GH" "R=%L"#M% %EE%8"
Adanya perbedaan waktu
tempuh cahaya saat SBG
mengorbit benda ke-3
!$"i "in)ng g)n&) menge*i*ingi
"en&) 5eig)
(. &. #r6in> 19A,)
dengan
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;r7a ligh' 19A,)
P%$%$"!$ M &%$D
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P%$%$"!$ M &%$D;%,00C)
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$L##
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G%R; P#DL D$ ;$"$""R!;"!R #$"%R$L $"$G
;ons'an'a s'rk'r in'ernal bin'ang (k,) mer*akan*arame'er *en'ing *ada model e7olsi bin'ang.
$ilai ra'a+,,
ngsi eksen'risi'as orbi'> raksi radis dan massakom*onen> dan rasio ke+. ro'asi kom*onen 'erhada*
ke+. ke*ler.
(&ozkr' Degirmen+i>,00C)
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G%R; P#DL D$ ;$"$""R!;"!R #$"%R$L $"$G
8lare' Gimenez(199,)> dikoreksi8lare' (1999)>
memodelkane7olsi bin'angn'k menghi'ngk,>'eo
M)#ih )&)6e$"e&))n)n)$) *og 582o"#
&)n *og 582eo:mber : &ozkr' Degirmen+i>,00C
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R%$8$ "!G ;H#R
"2an : Mem*erbari
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;$D#D" &%;A! VEL!RUM
;oordina' eOa'orial (,000) : R 0?h11mA3>91,s
De+ 00
Ren'ang magni'do: 9.3AA?@A993
M1dan M, (M) : 3>B3 3>3?
(Gonzalez e' al.> ,00A)
Quadrule s!stem candidtae:
Gonzalez e' al. ,00Amber : 666.aa7so.org
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R%E%R%$#
&ozkr' Q. dan Degirmen+i .L.> ,00C> M$R> 3C9
8lare' . dan Gimenez .> 199,> > 9B> ,AA
8lare' .> 1999> > 3A0> AB
Ghedini .> 19?,> "#$t%are $#r &h#t#metric 'str#n#m!>
/illman H'big .> $es7a+il $.> $or'h P.> ,00A>
> @@9> 3,C
#r6in . &.> 19A,> *> 11B> ,11
;6ee ;. ;. dan 7an /oerden H.> 19AB> &ll. s'ron. #ns'.$e'herlands> 1,> 3,C
La+ 8. H. .> 199,> > 10@> ,,13
'erken 8.> ,00A> P 8on. eries> 33A> 1