Mu l t i - w a v e l e n g t h c a m p a i g n - - PowerPoint PPT Presentation

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Mu l t i - w a v e l e n g t h c a m p a i g n - - PowerPoint PPT Presentation

Mu l t i - w a v e l e n g t h c a m p a i g n o n N G C 7 4 6 9 : t h e b r o a d - b a n d X - r a y s p e c t r u m ,Rome 2017 The X-ray Universe R i c c a r d o Mi d d e i


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SLIDE 1

Mu l t i

  • w

a v e l e n g t h c a m p a i g n

  • n

N G C 7 4 6 9 : t h e b r

  • a

d

  • b

a n d X

  • r

a y s p e c t r u m

R i c c a r d

  • Mi

d d e i

  • n

b e h a l f

  • f

t h e N G C 7 4 6 9 c

  • n

s

  • r

t i u m

,Rome 2017 The X-ray Universe

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SLIDE 2

T h e c a m p a i g n

  • n

N G C 7 4 6 9

> p r

  • p

e r t i e s

  • f

t h e

  • u

t f l

  • w

> u n d e r s t a n d t h e n a t u r e

  • f

t h e c

  • n

t i n u u m e m i s s i

  • n

> S e y f e r t 1 g a l a x y > z = . 1 6 2 6 8 > M_ b h = 7 M_ s u n > v a r i a b l e s

  • u

r c e > b r i g h t i n t h e X

  • r

a y s

7

  • b

s e r v a t i

  • n

s

Mr k 5 9 N G C 5 5 4 8 P a s t c a m p a i g n s

  • n

N G C 7 4 6 9

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SLIDE 3

F i r s t r e s u l t s f r

  • m

t h e c a m p a i g n :

‘ Mu l t i

  • w

a v e l e n g t h c a m p a i g n

  • n

N G C 7 4 6 9 I . T h e r i c h 6 4 k s R G S s p e c t r u m . ’

B e h a r e t a l . 2 1 6

> K i n e m a t i c s

  • f

t h e

  • u

t f l

  • w

> e l e m e n t a l a b u n d a n c e s > I

  • n

i z a t i

  • n

a n d c

  • l

u m n d e n s i t y > e m i s s i

  • n

f e a t u r e s > l

  • c

a t i

  • n
  • f

t h e

  • u

t f l

  • w
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SLIDE 4

T i m i n g a n a l y s i s

N G C 7 4 6 9 i s a v a r i a b l e s

  • u

r c e Mi d d e i e t a l . i n p r e p .

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SLIDE 5

T i m i n g a n a l y s i s

N G C 7 4 6 9 i s a v a r i a b l e s

  • u

r c e Mi d d e i e t a l . i n p r e p .

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SLIDE 6

T h e X MM- N e w t

  • n

s p e c t r a

A t l e a s t

  • n

e m

  • r

e c

  • m

p

  • n

e n t i s n e e d e d t

  • f

i t t h e s

  • f

t b a n d T h i s s

  • f

t e x c e s s e x t e n d s u p t

  • 4

k e V

m

  • =

p

  • w

e r l a w

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SLIDE 7

T h e X MM- N e w t

  • n

s p e c t r a

F i r s t s t e p : W e s t u d y X MM- N e w t

  • n

s p e c t r a i n t h e 4

  • 1

k e V b a n d

m

  • =

p

  • w

e r l a w

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SLIDE 8

T h e X MM- N e w t

  • n

b e s t

  • f

i t

R e d u c e d _ C h i = 1 . 4

m

  • =

( p e x r a v + z g a u s s + z g a u s s )

N e u t r a l F e K \ a l p h a F e X X V I L y \ a l p h a

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SLIDE 9

T h e X MM- N e w t

  • n

b e s t

  • f

i t

R e d u c e d _ C h i = 1 . 4

m

  • =

( p e x r a v + z g a u s s + z g a u s s )

T h e n e u t r a l i r

  • n

l i n e

> c

  • n

s t a n t > n a r r

  • w

( n

  • r

e l a t i v i s t i c b r

  • a

d e n i n g )

  • >

E Q W~ 9 e V

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SLIDE 10

N u S T A R s p e c t r a l a n a l y s i s :

m

  • =

p

  • w

e r l a w

U s i n g i n f

  • r

m a t i

  • n
  • b

t a i n e d f r

  • m

p r e v i

  • u

s X MM- N e w t

  • n

a n a l y s i s

  • n
  • r

e l a t i v i s t i c e f f e c t s

  • c
  • n

s i s t e n t r e f l e c t i

  • n

m

  • d

e l : h u m p + n a r r

  • w

i r

  • n

l i n e a t 6 . 4 k e V

  • n

a r r

  • w

i r

  • n

l i n e a t 6 . 9 6 6 k e V

  • h

i g h e n e r g y c u t

  • f

f

R e d u c e d _ C h i = 2 . 6

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SLIDE 11

N u S T A R s p e c t r a l a n a l y s i s :

m

  • =

c

  • n

s t * ( x i l l v e r + z g a u s s )

R e d u c e d _ C h i = 1 . 5 I n f

  • r

m a t i

  • n
  • n

> h i g h e n e r g y c u t

  • f

f > r e f l e c t i

  • n

c

  • m

p

  • n

e n t

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SLIDE 12

N u S T A R s p e c t r a l a n a l y s i s s

  • m

e r e s u l t s

> H i g h e n e r g y c u t

  • f

f ~ 1 8 k e V > R e f l e c t i

  • n

~ . 4 > G a m m a ~ 1 . 7 8

R

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SLIDE 13

N u S T A R s p e c t r a l a n a l y s i s s

  • m

e r e s u l t s

> H i g h e n e r g y c u t

  • f

f ~ 1 8 k e V > R e f l e c t i

  • n

~ . 4 > G a m m a ~ 1 . 7 8

R

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SLIDE 14

X MM- N e w t

  • n

& N u s t a r 4

  • 7

8 k e V a n a l y s i s

m

  • =

c

  • n

s t * ( x i l l v e r + z g a u s s )

R e d u c e d _ C h i = 1 . 5

I n t e r

  • c

a l i b r a t i

  • n

: A d i f f e r e n c e ( ~ . 1 7 ) b e t w e e n t h e X MM- N e w t

  • n

a n d N u S T A R g a m m a i s f

  • u

n d

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SLIDE 15

X MM- N e w t

  • n

& N u s t a r . 3

  • 7

8 k e V a n a l y s i s 4

  • 7

8 k e V b a n d a l r e a d y c

  • n

s t r a i n e d

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SLIDE 16

X MM- N e w t

  • n

& N u s t a r . 3

  • 7

8 k e V a n a l y s i s 4

  • 7

8 k e V b a n d a l r e a d y c

  • n

s t r a i n e d . 3

  • 7

8 k e V b a n d W

  • r

k i n p r

  • g

r e s s . . .

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SLIDE 17

S u m m a r y

> N G C 7 4 6 9 v a r i e s m u c h

  • n

s h

  • r

t t i m e

  • s

c a l e s w h i l e h a r d n e s s r a t i

  • s

d

  • n
  • t

v a r y a l

  • t

> N

  • e

v i d e n c e

  • f

r e l a t i v i s t i c e f f e c t s

  • n

t h e i r

  • n

l i n e w h i c h i s c

  • n

s t a n t a l

  • n

g w i t h i t s a s s

  • c

i a t e d r e f l e c t i

  • n

c

  • m

p

  • n

e n t > C u t

  • f

f a t ~ 1 8 k e V , c

  • n

s t a n t a m

  • n

g t h e

  • b

s e r v a t i

  • n

s > N

  • e

v i d e n c e

  • f

v a r i a b i l i t y

  • f

G a m m a a m

  • n

g t h e

  • b

s e r v a t i

  • n

s

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SLIDE 18

T h a n k s f

  • r

y

  • u

r a t t e n t i

  • n

… . w a i t i n g f

  • r

t h e w h

  • l

e s p e c t r a l a n a l y s i s