Analisis O-c (Observed – Calculated) Diagram_final

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    ANALISIS DIAGRAM O-C(OBSERVED CALCULATED)

    PADA BINTANG GANDA GERHANA

    Dhimaz Gilang Ramadhan

    (10309013)

    Dosen Pembimbing :

    Dr. Hakim L. Malasan

    1

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    !"L#$%2

    &in'ang ganda gerhana Diagram O-C (Observed - Calculated) Membangn Diagram O-C

    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$3

    KLASIFIKASI KURVACAHAYA

    1. "i*e lgol

    ,. "i*e - Lr3. "i*e / !Ma

    Min.Prime

    r

    Min.

    eknder

    Min.Primer

    Min.eknd

    er

    Min.Primer

    Min.eknd

    er

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    $"$G G$D G%RH$ (,)4

    Minimm Primer dan Minimm ekndermer*akan 'r nik dari bin'ang

    ganda gerhana

    "o

    M

    "oM

    ToM= Time of

    Miim!mLi"#$

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    DiagramO-C (Observed - Calculated)

    %

    Plo' ang menn2kkan selisih times omaxima/minima("oM) dari hasil*engama'an 'erhada* times o

    maxima/minima("oM) dari hasil*erhi'ngan e*hemeris.

    &'(e)*e+"oM dida*a' dari *engama'an

    C,-.!-,$e+"oM dida*a' darie*hemeris :"min "04 P

    5 %

    E40965107,04219,2450640MinHJD d +=6on'oh e*hemeris linear dari Priblla e' al. (,003) n'k

    78 *h

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    Menghi'ng "ime o Minimm

    /

    Me'ode Her'zs*rng Me'ode ; 19?,)

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    MET&DE K0EEVAN 0&ERDEN 1

    S0 = |mi- mi

    +|2

    Saat sumbu ada di t0

    H5D

    6m,"

    1. Plo' ;r@a 6ahaa,. "en'kan $ilai ba'

    smb di '0

    m14

    m,4m34

    mA4

    m84

    m1=

    m,=

    m3=

    mA=

    m8= S

    -

    = |mi-

    mi+

    |2

    Saat sumbu ada di t0 - 6T

    S+ = |mi- mi

    +|2

    Saat sumbu ada di t0 + 6T

    3. Plo' Garis Hbng n'ar "i'ik Da'a

    $7

    A. &angn Time=Equidistant agnitudes !ada Garis

    Hbng se+ara in'er*olasi linear

    8. Hi'ng 0. Geser smb ke $7 6T8 #i$!" S9B. Geser smb ke $7: 6T8 #i$!" S

    :

    t0 - 6Tt0 + 6T

    (;198,)

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    -o;,(i(!m'!H5D

    S2$3

    ?. PL" 0> => $D 4> L;!;$ !"#"$OL%C &%TT%'

    $7$79 6T $7:

    6T

    Lokasi smb saa' (') minimm"M

    MET&DE K0EEVAN 0&ERDEN 2(;

    198,) 1999)

    est TT*!!! +=+=est0T

    )!!(ETTT)CO( obsEE +++=

    *!=Jika)TE!T(T)CO(

    obsEE ++=

    T)CO( =

    *T=Jika

    )!EE!T(T)CO( obsEE ++=

    !E)CO( E =

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    $L## =6 D#GRM PR&L#; (1)

    11

    Ekspansi Taylor dari ephemeris

    Den!an

    !ET min +=

    +

    E

    +

    min+

    E

    min

    Eminmin)EE(

    dE

    Td

    +

    ,)EE(

    dE

    dTTT

    ++=

    dt

    d!!

    dt

    d!

    dE

    dt

    dE

    d!

    dE

    Td+min

    +

    ===

    +minmin E

    dt

    d!!

    +

    ,!ETT ++=

    EE

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    $L## =6 D#GRM PR&L#; (,)

    12

    De"inisikan

    Di mana

    +minmin E

    dt

    d!!

    +

    ,!ETT ++=

    mi

    obs

    minTTO = E!TC

    ,

    ,

    min+

    + E

    dt

    d!!

    +

    ,!EE)CO( ++=

    )!!(!)TT(E ,,max

    max == , mber : 'erken

    (,008)

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    L#GH" "R7%L"#M% %%6"

    13

    Adanya perbedaan waktu

    tempuh cahaya saat Sistem

    Bintang ganda gerhana

    mengorbit benda ke-3

    &)'i$ 'i$," ",+, me"e-i-i"i

    'e+, ;e$i",

    (#r 198,)

    dengan

    cisinsinae)sin(isinr

    c. ++==

    ++

    +

    = sine)sin(

    cose,

    e,

    )cose,(

    ,

    +

    ++

    )(+

    ,

    c

    cose,isina minmax

    ++

    =

    =

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    14

    ;r@a ligh'='ime I da*a' dideka'i dengan kr@ake+e*a'an radial dengan eR7 J eL"dan KR7 KL"

    900

    Dengan ''ing kr@a ke+e*a'an radial ;i'a bisamenda*a'kan *arame'er orbi' &G 'erhada* benda

    L#GH" "R7%L"#M% %%6" (,)(#r 198,)

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    P%$%$"!$ M &%$D ;%=3

    1%

    ngsi Massa benda ke=3

    Dengan mengasmsikan i 900> ki'ada*a' limi' ba

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    $L## =6 D#GRM :M%$D%"%;# G%R; P#DL

    1/

    "oM diama'i saa' bin'angseknder berada di garis*andang *engama'.

    Prediksi "oM dari eekgerak a*sidal (Gimenez C&as'ero >1998)

    dengan 1 n'k minimm

    *rimer dan , n'kminimm seknder

    ",)i( o+,-

    ",)i(>,+,"

    KP

    N

    PN

    0cos"1

    ,cos"02+

    +

    !E!TT 0,so ++= #$%&

    1sin"1

    ,+sin"+

    ,3cos",4

    ,1+3 + $'

    '( 4sin",4

    ,1sin"

    1

    ,41 +

    O-C DIAGRAM DARIV%23SGR

    mber : La+ (199,)

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    G%R; P#DL D$ ;$"$""R!;"!R #$"%R$L $"$G

    1

    ;ons'an'a s'rk'r in'ernal bin'ang (k,) mer*akan

    *arame'er *en'ing *ada model e@olsi bin'ang. $ilai ra'a=ra'a k,>obs:

    Di mana> P Periode anomalis'ik

    ! Periode gerak a*sidal

    O la2 gerak a*sidal +,1>+,,

    ngsi eksen'risi'as orbi'> raksi radis dan massakom*onen> dan rasio ke+. ro'asi kom*onen 'erhada* ke+.ke*ler.

    (&ozkr' C Degirmen+i>,00B)

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    G%R; P#DL D$ ;$"$""R!;"!R #$"%R$L $"$G (,)

    1

    memodelkane@olsi bin'angn'k menghi'ngk,>'eo

    M,(i# ,+,>e)'e+,,,$,), -o" ;28o'(

    +, -o" ;28$eo?mber : &ozkr' C Degirmen+i>,00B

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    R%$6$ "!G ;H#R1

    "2an : Mem*erbari =6 Diagram sis'em bin'ang

    ganda gerhana

    Melakkan analisis *ada =6 Diagram *adasis'em bin'ang ganda gerhana

    Membangn sis'em nmerik n'kmenganalisis O-C 5iagram sis'em bin'ang

    ganda gerhana

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    ;$D#D" &%;27 A& VEL&RUM

    ;oordina' ea'orial (,000) :

    R 0?h11m83>91,s

    De+ =A?0AAN A>00Q

    Ren'ang magni'do: 9.38=9.B9

    7 ;elas *ek'rm : &*i 4

    &?7

    "i*e @ariabili'as : %(%+li*sing lgol)

    Periode(hari) :1>8?A8993

    M1dan M, (M) : 3>3 C3>3?

    (Gonzalez e' al.> ,008)

    6uadru7le s8stem candidate:mber :

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    T%EL%'E"!G ;H#R21

    Ke"i,$,5ANUARI FEBRUARI MARET APRIL

    1 , 3 A 1 , 3 A 1 , 3 A 1 , 3 A

    Pengama'an

    Pengolahan Da'a

    Pengka2ian "eori

    Penlisan "gaskhir

    idang "gas khir

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    "%R#M ;#H

    ,,

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    R%%R%$#23

    &ozkr' F. dan Degirmen+i .L.> ,00B> M$R> 3B9 6lare' . dan Gimenez .> 199,> C> 9> ,88 6lare' .> 1999> C> 380> 8 Ghedini .> 19?,> 9ot:are or !hotometric "stronom8>

    /illman=&ell Gonzalez . .> H'big .> $es@a+il $.> $or'h P.> ,008> C>

    AA9> 3,B #r 198,> *> 11> ,11

    ; 198> &ll. s'ron. #ns'.$e'herlands> 1,> 3,B La+ 6. H. .> 199,> > 10A> ,,13 'erken 6.> ,008> P 6on. eries> 338> 1