Документ взят из кэша поисковой машины. Адрес оригинального документа : http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/200510/Caballero_timing.pdf Дата изменения: Wed May 14 13:12:44 2014 Дата индексирования: Wed Apr 13 13:32:57 2016 Кодировка: Поисковые слова: m 2

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X MN wonE ICrelative M- et P timnganalysis i
I s a b e l C a b a lle r o A n n e W e llb r o c k M . G . F . K ir s c h

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O tline u
2. 3. 4. 5. 6. 7. Relative timing accuracy Targets Processing of data Radio period of the pulsars X-Ray period of the pulsars Final results

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EPIC-pn Relative timing accuracy

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· · ·

Fa s t e s t i n s t r u m e n t o n X M M N ew t on H i g h es t t i m e r es o l u t i on r ea c h ed i n t i m i n g an d b u r s t m o d es P u l s ar s u s e d i n a n al y s i s ob s e r v e d i n t he s e m o d es

X - R a y P er i od = P

X

R ad i o P e r i od = P

R

PR -PX PR

P
R e la t iv e E r r o r

PR
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Crab pulsar
X M M - N e w t o n p er f o r m s t w o ob s e r v at i on s a y ea r of t h e C r a b

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· D is ta n c e : ~ 2 .2 k P c · P e r io d : ~ 3 3 m s
Rev ID O b s . T im e (k s )

0056 0122330801 22577 0234 0135730701 9999 0411 0153750201 4634 0411 0153750301 8999 0411 0153750401 8996 0411 0153750501 8999 0698 0160960201 28264 0700 0160960301 10172 0874 0160960401 14718 0874 0160960601 3983 0955 0160960701 8202

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PSR 0540
· P u ls a r in t h e L a r g e M a g e lla n ic C lo u d · D is t a n c e : ~ 5 0 k P c · P e r io d : ~ 5 0 m s
Rev ID O b s .T im e (k s ) 17

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0085 0125120201

C h a n d ra , X - ra y b a n d , N A S A

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PSR 1509-58
· P u ls a r in t h e S N R M S H 1 5 - 2 · D is t a n c e : ~ 6 k P c · P e r io d : ~ 1 5 0 m s
Rev ID O b s .T im e (k s ) 10 0137 0128120401

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C h a n d ra , X - ra y b a n d , N A S A

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PSR B1055-52
· O n e o f th e ` th r e e m u s k e te e r s ' (P S R B 1 0 5 5 , B 0 6 5 6 , G e m in g a ) · D is ta n c e : 0 . 5 ­ 1 .5 k P c · P e r io d : 1 9 7 m s
Rev ID O b s .T im e (k s ) 30 0187 0113050201

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B ep p o S ax , 1 - 1 0 keV , N A S A

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data processing

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A I O ( X MM- S c i e n c e A r c h i v e )

OD F
ep p r oc Ev e n t Fi l e b a r y ce n Ev e n t Fi l e Ba r y ce n t r i c Co r r e ct e d e v se l e ct So u r ce Re g i o n

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Radio periods of the pulsars
Ra d i o Pe r i o d

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Li n e a r I n t er p ol a t i o n

Ra d i o Pe r i o d

Ex t r a p o l a t i o n

Ep o ch ( MJD ) Ep o ch ( MJD )

C ra b

B 0540, B 1509, B 1055

A u t o m a t ic t o o l f o r C ra b !

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X-ray period of the pulsars
Fold the data over a range of test periods Pi:
P
In t e n s it y

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3

P P
1

Fi r s t t r i a l : r a d i o p e r i o d
2

e fs e a r c h
T im e

For each test period determine 2 of the fit of the folded light curve vs. a uniform distribution:

G ood p er iod

H ig h 2

B ad p er iod

S m all 2

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2 distribution
T h e w e ig h t e d m e a n o f t h e p e r io d s w it h 2 g i v e s t h e b e s t X - r a y p e r i o d

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F W H M P 2/ T

Reduced chi2 vs period for all pulsars
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Folded light curves

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X M M - N e w t on

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Relative timing accuracy for the Crab

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P/ P

ep o c h ( M J D )

P/P

t i m e b as e ( l og ( s ec ) )

P /P < 3 .1 0 - 8

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Relative timing accuracy for all pulsars

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P/P

P er i od ( m s )

P /P

R ev ol u t i o n

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T in stod n w hg o o...
· Automatic tool available to check the relative timing accuracy for future Crab observations · Future XMM-Newton observation of pulsars B0540 and B1509 in order to verify relative timing?? · Absolute timing analysis: create a tool to check the absolute timing accuracy geo-centre XMM data or barycentre radio data

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X M M - N e w t on

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