Multi-messenger analyses with the ANTARES high energy neutrino - - PowerPoint PPT Presentation

multi messenger analyses with the antares high energy
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Multi-messenger analyses with the ANTARES high energy neutrino - - PowerPoint PPT Presentation

Multi-messenger analyses with the ANTARES high energy neutrino telescope A u r o r e Ma t h i e u o n b e h a l f o f t h e A N T A R E S c o l l a b o r a t i o n F r o n t i e r s o f F u


slide-1
SLIDE 1

1

Multi-messenger analyses with the ANTARES high energy neutrino telescope

A u r

  • r

e Ma t h i e u

  • n

b e h a l f

  • f

t h e A N T A R E S c

  • l

l a b

  • r

a t i

  • n

F r

  • n

t i e r s

  • f

F u n d a m e n t a l P h y s i c s Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4

slide-2
SLIDE 2

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1

The ANTARES telescope

12 lines 25 storeys/line 3 PMs/storey ~ 70 m 14.5 m 40 km of cable Depth: 2500 m

Shore station

slide-3
SLIDE 3

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 2

The ANTARES telescope

P e r f

  • r

m a n c e s :

➔ 1

2

  • l

i n e s d a t a t a k i n g s i n c e 2 8

➔ ~

7 n e u t r i n

  • s

➔ A

n g u l a r r e s

  • l

u t i

  • n

: . 3 – . 4 °

➔ E

f f e c t i v e

a r e a : ~ 1 m ² ( 3 T e V )

➔ V

i s i b i l i t y : ¾

  • f

t h e s k y , m a j

  • r

i t y

  • f

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

➔ R

e a l

  • t

i m e d a t a p r

  • c

e s s i n g

slide-4
SLIDE 4

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 3

Motivation

  • L

i n k b e t w e e n C R / γ / ν :

  • C

R s a n d U H E C R s

  • r

i g i n ?

  • H

a d r

  • n

i c , l e p t

  • n

i c

  • r

l e p t

  • h

a d r

  • n

i c m

  • d

e l s ?

  • J

e t c

  • m

p

  • s

i t i

  • n

? . . .

C

  • s

m i c n e u t r i n

  • s

:

➔ N

e u t r i n

  • s

p

  • s

s i b l y p r

  • d

u c e d i n t h e i n t e r a c t i

  • n
  • f

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

  • n

s w i t h m a t t e r

  • r

r a d i a t i

  • n

➔ I

f h a d r

  • n

i c m e c h a n i s m s : H i g h e n e r g y n u c l e

  • n

s + h a d r

  • n

s m e s

  • n

s + h a d r

  • n

s n e u t r i n

  • s

a n d p h

  • t
  • n

s

➔ S

i m u l t a n e

  • u

s e m i t t e r s

  • f

n e u t r i n

  • s

a n d p h

  • t
  • n

s

➔ D

e t e c t i

  • n

f r

  • m

a c

  • s

m i c s

  • u

r c e w

  • u

l d b e a d i r e c t e v i d e n c e

  • f

h a d r

  • n

i c s c e n a r i

slide-5
SLIDE 5

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 4

Transient analyses

A N T A R E S c a n p e r f

  • r

m a w i d e r a n g e

  • f

a n a l y s e s :

  • P
  • i

n t S

  • u

r c e a n a l y s e s : d i s c

  • v

e r i n g

  • f

a s t r

  • p

h y s i c a l n e u t r i n

  • s
  • u

r c e s ( a l l s k y s e a r c h

  • r

c a n d i d a t e s l i s t )

  • Mu

l t i

  • m

e s s e n g e r s t u d y : c

  • i

n c i d e n t ( s p a c e + t i m e ) n e u t r i n

  • a

n d p h

  • t
  • n

s i g n a l ⇾ i m p r

  • v

e d p e r f

  • r

m a n c e w i t h r e s p e c t t

  • n
  • t

u s i n g t i m e i n f

  • a

t a l l C

  • i

n c i d e n c e

  • f

γ a n d n e u t r i n

  • e

m i s s i

  • n

: d i f f e r e n t t r a n s i e n t s

  • u

r c e s c a n b e a n a l y z e d 1 ) μ

  • q

u a s a r s : g a l a c t i c v a r i a b l e s

  • u

r c e s ( h

  • u

r s ↔ m

  • n

t h s ) 2 ) B l a z a r s : e x t r a

  • g

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

  • u

r c e s ( h

  • u

r s ↔ m

  • n

t h s ) 3 ) G R B s : m

  • s

t e n e r g e t i c k n

  • w

n e v e n t s ( s e c ↔ d a y s )

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SLIDE 6

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 4

Transient analyses

A N T A R E S c a n p e r f

  • r

m a w i d e r a n g e

  • f

a n a l y s e s :

  • P
  • i

n t S

  • u

r c e a n a l y s e s : d i s c

  • v

e r i n g

  • f

a s t r

  • p

h y s i c a l n e u t r i n

  • s
  • u

r c e s ( a l l s k y s e a r c h

  • r

c a n d i d a t e s l i s t )

  • Mu

l t i

  • m

e s s e n g e r s t u d y : c

  • i

n c i d e n t ( s p a c e + t i m e ) n e u t r i n

  • a

n d p h

  • t
  • n

s i g n a l ⇾ i m p r

  • v

e d p e r f

  • r

m a n c e w i t h r e s p e c t t

  • n
  • t

u s i n g t i m e i n f

  • a

t a l l C

  • i

n c i d e n c e

  • f

γ a n d n e u t r i n

  • e

m i s s i

  • n

: d i f f e r e n t t r a n s i e n t s

  • u

r c e s c a n b e a n a l y z e d 1 ) μ

  • q

u a s a r s : g a l a c t i c v a r i a b l e s

  • u

r c e s ( h

  • u

r s ↔ m

  • n

t h s ) 2 ) B l a z a r s : e x t r a

  • g

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

  • u

r c e s ( h

  • u

r s ↔ m

  • n

t h s ) 3 ) G R B s : m

  • s

t e n e r g e t i c k n

  • w

n e v e n t s ( s e c ↔ d a y s )

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SLIDE 7

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 5

Microquasar analysis

S i x μ

  • q

u a s a r s w i t h X

  • r

a y

  • r

γ

  • r

a y

  • u

t b u r s t s i n t h e 2 7 – 2 1 s a t e l l i t e d a t a : C i r c i n u s X

  • 1

I G R J 1 7 9 1

  • 3

6 2 4 G X 3 3 9

  • 4

C y g n u s X

  • 1

H 1 7 4 3

  • 3

2 2 C y g n u s X

  • 3
  • A

N T A R E S d a t a p e r i

  • d

2 7 – 2 1 ( 8 1 3 l i v e t i m e d a y s )

  • Mu

l t i

  • m

e s s e n g e r i n f

  • p

r

  • v

i d e d b y S WI F T , R O S S I a n d F E R MI

X

  • r

a y l i g h t c u r v e s s a m p l e

  • f

G X 3 3 9

  • 4

b e t w e e n 2 7 a n d 2 1 , f r

  • m

t

  • p

t

  • b
  • t

t

  • m

: S WI F T a n d R

  • s

s i X

  • r

a y L C s a n d h a r d n e s s r a t i

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SLIDE 8

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 6

Microquasar results

N

  • n

e u t r i n

  • f
  • u

n d i n t i m e c

  • i

n c i d e n c e w i t h m i c r

  • q

u a s a r e m i s s i

  • n

s = > U p p e r l i m i t s

  • n

t h e n e u t r i n

  • f

l u x ( F . C . @9 % C . L . )

U p p e r l i m i t s ( F . C . @9 % )

  • n

a n e u t r i n

  • f

l u x φ ∝ E

− 2

e

− √( E / 1 T e V )

( c i r c l e s ) c

  • m

p a r e d w i t h t h e e x p e c t a t i

  • n

s

  • f

D i s t e f a n

  • e

t a l . ( 2 2 ) i n t h e η

p

= η

e

c a s e ( t r i a n g l e s ) . F

  • r

I G R J 1 7 9 1

  • 3

6 2 4 n

  • m

e a s u r e m e n t h a s b e e n f

  • u

n d t

  • e

s t i m a t e t h e n e u t r i n

  • f

l u x .

slide-9
SLIDE 9

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 7

Blazar analysis

➔ P

r e v i

  • u

s A N T A R E S A G N a n a l y s i s w i t h 2 8 d a t a : A s t r

  • p

a r t . P h y s . , V

  • l

. 3 6 , 2 4 [ a r X i v : 1 1 1 1 . 3 4 7 3 ]

➔ U

p d a t e d a n a l y s i s : 2 8

  • 2

1 2 d a t a , F E R MI + H E S S / V E R I T A S / MA G I C + X

  • r

a y

➔ F

l a r e s i n t w

  • e

n e r g y r a n g e s : γ

  • r

a y s ( F E R MI ) a n d H E

  • V

H E γ

  • r

a y s ( I A C T ) F E R MI :

  • C

a t a l

  • g

u e b a s e : 2 F G L ( + F e r m i b l

  • g

+ T A N A MI ) → 1 8 7 3 ( + 4 3 + 1 3 ) s

  • u

r c e s

  • R

e d u c e d t

  • 9

7 ( + 4 3 + 1 3 ) p r e

  • s

e l e c t e d s

  • u

r c e s ( c u t s

  • n

c a t a l

  • g

u e p a r a m e t e r s )

  • S

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

  • u

n d

  • n

4 1 f l a r i n g s

  • u

r c e s : 3 C 4 5 4 . 3 , 3 C 2 7 9 , 4 C + 2 1 . 3 5 , P K S 1 5 1

  • 8

, . . .

slide-10
SLIDE 10

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 8

Blazar analysis

➔ P

r e v i

  • u

s A N T A R E S A G N a n a l y s i s w i t h 2 8 d a t a : A s t r

  • p

a r t . P h y s . , V

  • l

. 3 6 , 2 4 [ a r X i v : 1 1 1 1 . 3 4 7 3 ]

➔ U

p d a t e d a n a l y s i s : 2 8

  • 2

1 2 d a t a , F E R MI + H E S S / V E R I T A S / MA G I C + X

  • r

a y

➔ F

l a r e s i n t w

  • e

n e r g y r a n g e s : γ

  • r

a y s ( F E R MI ) a n d H E

  • V

H E γ

  • r

a y s ( I A C T ) I A C T :

  • 7

f l a r i n g s

  • u

r c e s s e l e c t e d f r

  • m

p u b l i c a t i

  • n

s

  • n

H E S S , MA G I C a n d V E R I T A S : 4 C + 2 1 . 3 5 , P G 1 5 5 3 + 1 1 3 , P K S 1 4 2 4 + 2 4 , 1 E S 1 2 1 8 + 3 . 4 , 1 E S 2 2 9 + 2 , H E S S J 1 9 4 3 + 2 1 3 a n d P K S 4 4 7

  • 4

3 9

slide-11
SLIDE 11

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 9

Blazar results

➔ O

n l y 3 s

  • u

r c e s s h

  • w

a n e u t r i n

  • e

v e n t i n t i m e a n d s p a c e c

  • i

n c i d e n c e w i t h t h e f l a r e : 3 C 2 7 9 , P K S 1 1 2 4

  • 1

8 6 a n d P K S 2 3 5

  • 6

1 8

➔ Mo

s t s i g n i f i c a n t s

  • u

r c e : 3 C 2 7 9 f

  • r

E ¯ ² w i t h p

  • v

a l u e 1 . 9 % ( 5 4 % p

  • s

t

  • t

r i a l )

➔ B

a c k g r

  • u

n d f l u c t u a t i

  • n

c

  • m

p a t i b l e

➔ P

a p e r i n p r e p a r a t i

  • n

L E F T : N e u t r i n

  • e

v e n t s a r

  • u

n d 3 C 2 7 9 . T h e c i r c l e s a r e t h e e s t i m a t e d a n g u l a r e r r

  • r

f r

  • m

t h e r e c

  • n

s t r u c t i

  • n

. R I G H T : γ

  • R

a y l i g h t c u r v e f

  • r

3 C 2 7 9 w i t h t h e s e l e c t e d n e u t r i n

  • e

v e n t s w i t h i n 3 ° a r

  • u

n d t h e s

  • u

r c e . [ e v e n t s d u r i n g a n d

  • u

t

  • f

t h e f l a r e ]

slide-12
SLIDE 12

Optical counterpart search Follow-up of high energy ν

slide-13
SLIDE 13

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1

TAT

  • O
  • O

p t i c a l / X

  • r

a y f

  • l

l

  • w
  • u

p

  • f

i n d i v i d u a l ν d i r e c t i

  • n

i n r e a l

  • t

i m e

  • N
  • h

y p

  • t

h e s i s

  • n

t h e n a t u r e

  • f

t h e s

  • u

r c e

slide-14
SLIDE 14

Triggers

  • D

i r e c t i

  • n

a l : 1 n e u t r i n

  • i

n t h e d i r e c t i

  • n

( < . 4 ° )

  • f

a l

  • c

a l g a l a x y ( < 2 Mp c ) 1 2 p e r y e a r

  • H

i g h e n e r g y : 1 n e u t r i n

  • w

i t h E > 5

  • 1

T e V 1 2 p e r y e a r

  • D
  • u

b l e t : T w

  • n

e u t r i n

  • s

i n a 3 ° a n g l e a n d i n a t i m e w i n d

  • w
  • f

1 5 m i n u t e s . 4 p e r y e a r

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 1

slide-15
SLIDE 15

TAT

  • O

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 2

Trigger Angular resolution Fraction events in fov Mean energy HE 0.25-0.3° 96% (GRB) 68% (SN) ~ 7 TeV Directional 0.3-0.4° 90% (GRB) 50% (SN) ~ 1 TeV

  • O

n l i n e p r

  • c

e s s i n g :

  • O

n l i n e r e c

  • n

s t r u c t i

  • n

+ t r i g g e r : ~ 3

  • 5

s

  • A

l e r t s e n d i n g : ~ 1

  • 1

s d e p e n d i n g

  • n

t h e t e l e s c

  • p

e r e s p

  • n

s e

  • T

e l e s c

  • p

e s l e w i n g : ~ 1

  • 5

s

Mi n i m u m d e l a y b e t w e e n t h e n e u t r i n

  • a

n d t h e f i r s t i m a g e : ~ 2 s

  • A

n g u l a r p e r f

  • r

m a n c e s :

slide-16
SLIDE 16

Optical follow-up strategy

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 3

slide-17
SLIDE 17

T elescopes

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 4 TAROT ROTSE ZADKO

slide-18
SLIDE 18

T elescopes

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 4 TAROT ROTSE ZADKO

TAROT Calern

  • Two 25 cm telescopes
  • Fov 1.86°x1.86°
  • Slewing time ~ 10s
slide-19
SLIDE 19

T elescopes

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 4 TAROT ROTSE ZADKO

ROTSE 3a

  • Four 45 cm telescopes
  • Fov 1.85°x1.85°
  • Slewing time ~ 10s
slide-20
SLIDE 20

T elescopes

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 4 TAROT ROTSE ZADKO

Zadko

  • One-metre telescope
  • Fov 23 x 23 arcmin
  • Max. Slew speed 3°/s
slide-21
SLIDE 21

T elescopes

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 4 TAROT ROTSE ZADKO SWIFT

  • X-ray follow-up
  • Fov 23.6 x 23.6 arcmin
  • 0.3-10 keV energy range
slide-22
SLIDE 22

Alerts

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 5

S i n c e 2 9 :

  • 1

8 a l e r t s s e n t :

  • 1

1 n

  • t

f

  • l

l

  • w

e d ( t e l e s c

  • p

e m a i n t e n a n c e , t

  • c

l

  • s

e t

  • t

h e S u n . . . )

  • 9

7 f

  • l

l

  • w

e d b y a t l e a s t 1 t e l e s c

  • p

e a n d a t l e a s t 1 n i g h t

  • 9

f

  • l

l

  • w

e d b y a t l e a s t 1 t e l e s c

  • p

e a n d a t l e a s t 3 n i g h t s

slide-23
SLIDE 23

Optical counterpart search

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 6

  • A

n a l y s i s b a s e d

  • n

t h e i m a g e s u b t r a c t i

  • n

:

  • D

e v e l

  • p

m e n t

  • f

a n e w p i p e l i n e f

  • r

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

slide-24
SLIDE 24

Optical counterpart search

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 7

H y p

  • t

h e s i s : n e u t r i n

  • e

m i s s i

  • n

s i m u l t a n e

  • u

s l y w i t h p h

  • t
  • n

s → N

  • t

r a n s i e n t

  • p

t i c a l c

  • u

n t e r p a r t a s s

  • c

i a t e d w i t h a n e u t r i n

  • d

e t e c t i

  • n

→ U p p e r l i m i t s

  • n

t r a n s i e n t s

  • u

r c e s m a g n i t u d e

Alert Delay since trigger U.L. Mag S/N=5 ANT100123A 15h20m15s 12 ANT100302A 24h20m8s 15.7 ANT100725A 0h01m15s 14.5 ANT100922A 1h08m06s 14.0 ANT101211A 12h03m30s 15.1 ANT110409A 0h04m17s 18.1 ANT110529A 0h07m33s 15.6 ANT110613A 0h01m08s 17.0 ANT120730A 0h00m21s 17.6 ANT120907A 0h00m25s 16.9 ANT121010A 0h00m24s 18.6 ANT121206A 0h00m27s 16.9

Based on only detected light curves [kann2010]

slide-25
SLIDE 25

Optical counterpart search X-ray follow-up with SWIFT

slide-26
SLIDE 26

Follow-up with SWIFT

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 8

X

  • r

a y f

  • l

l

  • w
  • u

p : c

  • m

p l e m e n t a r y i n f

  • r

m a t i

  • n

s t

  • p

t i c a l s i g n a l s → T h e X

  • r

a y s k y i s r i c h i n v a r i a b l e a n d t r a n s i e n t s

  • u

r c e s → F a s t r e s p

  • n

s e : i n c r e a s e s e n s i t i v i t y t

  • f

a s t t r a n s i e n t s

  • u

r c e s ( G R B s ) S t r a t e g y : Mo U 6 w i t h a l e r t s / y r O n l y H E t r i g g e r s w i t h h i g h e r e n e r g y s e l e c t i

  • n

2 x 2 t i l e s w i t h 2 k s e x p

  • s

u r e e a c h ⇒ S e n s i t i v i t y : 2 . 1

  • 1

3

e r g . c m

  • 2

. s

  • 1

⇒ 4 t i l e s c

  • v

e r 4 8 a r c m i n f

  • v

~ 6

  • 7

%

  • f

t h e P S F O b s e r v a t i

  • n

s t r a t e g y : 1 ) A u t

  • m

a t i c r e s p

  • n

s e t

  • T
  • O

( p r i

  • r

i t y 1 ) →

  • n

l i n e a n a l y s i s 2 ) F

  • l

l

  • w
  • u

p

  • n

l y i f a n i n t e r e s t i n g c a n d i d a t e i s f

  • u

n d ( p r i

  • r

i t y 2 ) I m a g e p r

  • c

e s s i n g : P h i l E v a n s ( L e i c e s t e r U n i v e r s i t y )

slide-27
SLIDE 27

Follow-up with SWIFT

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 1 9

⇒ 5 a l e r t s s e n t t

  • t

h e X R T s i n c e J u n e 2 1 3 A f t e r a d e l a y

  • f

: 2 3 s / 2 5 s / 1 8 s / 1 8 s / 2 4 s P r

  • c

e s s i n g a f t e r : 1 h 8 / 6 h 2 4 / 5 h 6 / 6 h 4 3 / 5 h 3 6 ⇒ N

  • X
  • r

a y c

  • u

n t e r p a r t a s s

  • c

i a t e d t

  • a

n e u t r i n

  • d

e t e c t i

  • n

I n c a s e

  • f

G R B : c

  • m

p a r e w i t h t h e a f t e r g l

  • w

l i g h t c u r v e s d e t e c t e d b y S w i f t / X R T

TAToO limits TAToO limits X R T L C 2 8

  • 2

1 3 ( 5 3 G R B s )

P R E L I MI N A R Y

slide-28
SLIDE 28

Conclusions

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 2

➔ T

r a n s i e n t a n d m u l t i

  • m

e s s e n g e r a n a l y s e s a r e p e r f

  • r

m e d ,

  • n
  • l

i n e a n d

  • f

f

  • l

i n e

➔ F

i r s t r e s u l t s

  • n

μ

  • q

u a s a r a n a l y s i s w i t h A N T A R E S ( 2 7

  • 2

1 )

➔ T

h e μ

  • q

u a s a r a n a l y s i s i s b e i n g u p d a t e d w i t h n e w d a t a a n d n e w s

  • u

r c e s

➔ S

e c

  • n

d A G N a n a l y s i s u p d a t e s u p t

  • 2

8

  • 2

1 2 d a t a P r e v i

  • u

s a n a l y s i s ( 2 8 ) ( A s t r

  • p

a r t . P h y s . 3 6 ( 2 1 2 ) 2 4 )

➔ I

m a g e s f r

  • m

T A T

  • O

f

  • l

l

  • w
  • u

p a r e c u r r e n t l y a n a l y z e d t

  • s

e a r c h f

  • r

l

  • n

g t r a n s i e n t ( c

  • r

e c

  • l

l a p s e S N )

➔ Mo

r e m u l t i

  • m

e s s e n g e r a n a l y s i s : G r a v i t a t i

  • n

a l w a v e s ( V I R G O / L I G O ) : G WH E N

slide-29
SLIDE 29

Optical counterpart search Backup

slide-30
SLIDE 30

Detection principle

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 1

L

  • k

i n g f

  • r

u p

  • g
  • i

n g e v e n t s A t m

  • s

p h e r i c m u

  • n

s ~ 1 p e r s e c

  • n

d A t m

  • s

p h e r i c n e u t r i n

  • s

f e w p e r d a y C

  • s

m i c n e u t r i n

  • s

f e w p e r y e a r ? B a c k g r

  • u

n d s u p p r e s s i

  • n

: A t m . Mu

  • n

s : q u i t e e a s y t

  • r

e m

  • v

e ( z e n i t h + q u a l i t y c u t s ) A t m . N e u t r i n

  • s

: i r r e d u c i b l e i s

  • t

r

  • p

i c b a c k g r

  • u

n d , l

  • w

e n e r g y

slide-31
SLIDE 31

Microquasar analysis

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 2 S e l e c t i

  • n
  • f

s

  • u

r c e s : T h e s e l e c t i

  • n
  • f

t h e c a n d i d a t e m i c r

  • q

u a s a r s i s b a s e d

  • n

b

  • t

h t h e p r e s e n c e

  • f

X

  • r

a y

  • u

t b u r s t s a n d t h e p

  • s

s i b i l i t y t

  • r

e l a t e t h e m t

  • t

h e r a d i

  • c
  • u

n t e r p a r t .

➔ ~

2 k n

  • w

n m i c r

  • q

u a s a r s i n

  • u

r G a l a x y

➔ 1

7 m i c r

  • q

u a s a r s v i s i b l e b y A N T A R E S a n d m

  • n

i t

  • r

e d b y A S M a n d B A T

➔ B

a s e l i n e

  • f

e a c h L C i s c a l c u l a t e d b y m e a n s

  • f

a g a u s s i a n f i t

  • f

t h e r a t e d i s t r i b u t i

  • n

s

➔ T

h e

  • u

t b u r s t s e l e c t i

  • n

t h e n p r

  • c

e e d s b y l

  • k

i n g f

  • r

a f i r s t r a t e m e a s u r e f

  • r

w h i c h r a t e

  • 3

σ

r a t e

> b a s e l i n e + 3 σ

b a s e l i n e

, a n d s u c c e s s i v e m e a s u r e s f

  • r

w h i c h r a t e

  • σ

r a t e

> b a s e l i n e + 3 σ

b a s e l i n e

➔ T

  • a

v

  • i

d a s i n g l e h i g h f l u x m e a s u r e t

  • t

r i g g e r a n

  • u

t b u r s t , a t l e a s t t w

  • c
  • n

s e c u t i v e m e a s u r e s ( i . e . a t l e a s t t w

  • d

a y s ) a r e r e q u i r e d t

  • s

e l e c t t h e t i m e w i n d

  • w

➔ A

l l s

  • u

r c e s t h a t d

  • n
  • t

s h

  • w

a n y b u r s t i n g a c t i v i t y a r e d i s c a r d e d

➔ 2

s

  • u

r c e s a r e d i s c a r d e d b e c a u s e t h e A S M a n d B A T L C s a r e n

  • t

s u f f i c i e n t t

  • r

e l a t e t h e X

  • r

a y a c t i v i t y t

  • t

h e j e t a c c e l e r a t i

  • n

➔ S

  • u

r c e s s e l e c t e d w i t h X

  • r

a y s : C i r X

  • 1

( N S B ) , G X 3 3 9

  • 4

, H 1 7 4 3

  • 3

2 2 , I G R J 1 7 9 1

  • 3

6 2 4 , C y g X

  • 1

➔ S

  • u

r c e s e l e c t e d w i t h γ

  • r

a y s : C y g X

  • 3
slide-32
SLIDE 32

Microquasar analysis

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 3

A n a l y s i s

  • f

t h e 6 μ

  • q

u a s a r s :

  • F
  • r

4 b l a c k h

  • l

e b i n a r i e s , ν s e a r c h s p l i t i n t w

  • c

a s e s :

  • H

a r d X

  • r

a y s t a t e s ( H S ) : “ s l

  • w

” s t e a d y j e t

  • T

r a n s i t i

  • n

h a r d ↔ s

  • f

t ( T S ) : “ f a s t ” d i s c r e t e e j e c t i

  • n

R e l a t i v i s t i c j e t s → ν e m i s s i

  • n
  • C

y g X

  • 3

: γ

  • r

a y

  • u

t b u r s t u s i n g F e r m i / L A T d a t a

  • C

i r X

  • 1

: X

  • r

a y s +

  • r

b i t a l p h a s e / j e t c

  • n

n e c t i

  • n
slide-33
SLIDE 33

Blazar analysis

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 4

F E R MI d a t a C u t s

  • n

c a t a l

  • g

u e p a r a m e t e r s : B l a z a r s| D S > 2 5 σ | V I > 4 1 . 6 4 | δ > 3 5 ° | F e r m i a n a l y s i s : L C s e x t r a c t e d f r

  • m

F E R MI p h

  • t
  • n

c

  • u

n t i n g d a t a : Ma x i m u m L i k e l i h

  • d

B l

  • c

k d e n

  • i

s i n g t r e a t m e n t w i t h a f l u e n c e t h r e s h

  • l

d

Φmin

1−100 GeV>10 −9 photons.cm −2.s −1

L E F T : 3 C 2 7 3 C MA P f r

  • m

F E R MI d a t a . R I G H T : C

  • r

r e s p

  • n

d i n g L C w i t h a ML B c h a r a c t e r i z a t i

  • n

. T h e s e l e c t e d f l a r i n g p e r i

  • d

s a r e d

  • n

e b y a f l u e n c e t h r e s h

  • l

d .

V a r i a b i l i t y _ I n d e x : a v a l u e g r e a t e r t h a n 4 1 . 6 4 i n d i c a t e s t h e r e i s a l e s s t h a n 1 % c h a n c e

  • f

b e i n g a s t e a d y s

  • u

r c e .

slide-34
SLIDE 34

Blazar analysis

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 5

I A C T d a t a L C s e x t r a c t e d f r

  • m

p u b l i c a t i

  • n

s : f l a t e m i s s i

  • n

a s s u m e d d u r i n g t h e r e p

  • r

t e d f l a r i n g p e r i

  • d

s .

  • A

n a l y s i s w i t h 2 8 – 2 1 2 d a t a : f r

  • m

S e p t e m b e r 6 t h t

  • D

e c e m b e r 3 1 s t , 2 1 2 ( 1 4 4 d a y s

  • f

l i v e t i m e )

  • U

n b i n n e d t i m e

  • d

e p e n d a n t s e a r c h m e t h

  • d

w i t h a l i k e l i h

  • d

r a t i

  • I

m p l e m e n t a t i

  • n
  • f

a p

  • s

s i b l e l a g ( ± 5 d a y s ) i n ν / γ s i g n a l i n t h e l i k e l i h

  • d

f

  • r

a v

  • i

d m i s s i n g s h

  • r

t f l a r e s

  • I

n c l u s i

  • n
  • f

a n e w e n e r g y e s t i m a t

  • r

w i t h a m

  • r

e p h y s i c a l j u s t i f i c a t i

  • n

, d e c l i n a t i

  • n

d e p e n d e n c e c

  • n

s i d e r e d

  • V

a r i

  • u

s e n e r g y s p e c t r a t a k e n i n c

  • n

s i d e r a t i

  • n

: E

− 2

, E

− 2

w i t h c u t

  • f

f s a t 1 T e V a n d 1 T e V , E

− 1

  • R

e

  • p

t i m i z a t i

  • n
  • f

p r e l i m i n a r y g e n e r a l c u t s : c

  • s

( θ ) > − . 1 5 & & β < 1 ° [ D i s c

  • v

e r y F l u x a t 3 σ ]

  • I

n d i v i d u a l Λ q u a l i t y c u t

  • p

t i m i z a t i

  • n

[ Mo d e l D i s c

  • v

e r y P

  • t

e n t i a l a t 3 σ ]

slide-35
SLIDE 35

Image analysis

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 6

Co-addition:

SWarp : resampling and co-adding images

Subtraction:

Reference selection Pixel by pixel

Astrometry / photometry:

SExtractor : catalogue of extracted sources SCAMP : astrometric calibration Le PHARE : photometric calibration

Image correction:

Bias, dark subtraction Flat-fielding Fringe correction

Residuals inspection:

Visual scan Comparison with catalogues Light curve scan Telescope site{

{ { { {

slide-36
SLIDE 36

T elescopes response

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 7

slide-37
SLIDE 37

HE trigger SWIFT

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 8

slide-38
SLIDE 38

Follow-up with SWIFT

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 9

A l e r t 2 1 4 / 1 / 2 4 :

I f a n u n c a t a l

  • g

u e d s

  • u

r c e i s f

  • u

n d , 2 q u e s t i

  • n

s a r e a s k e d t

  • i

d e n t i f y t h e a f t e r g l

  • w

: 1 ) I s t h e s

  • u

r c e “ b r i g h t ” ? 2 ) I s t h e s

  • u

r c e f a d i n g ? N

  • c
  • u

n t e r p a r t

slide-39
SLIDE 39

GWHEN

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 1

S e a r c h f

  • r

c

  • i

n c i d e n t g r a v i t a t i

  • n

a l w a v e s a n d h i g h e n e r g y n e u t r i n

  • s

u s i n g A N T A R E S , L I G O a n d V i r g

  • S

c i e n t i f i c m

  • t

i v a t i

  • n

s :

  • S
  • u

r c e s i n v i s i b l e i n p h

  • t
  • n

s : “ f a i l e d ” G R B s = h i d d e n s

  • u

r c e s (

  • p

t i c a l l y t h i c k m e d i a : n

  • r

w e a k γ

  • r

a y e m i s s i

  • n

)

  • C
  • i

n c i d e n t d e t e c t i

  • n

( t i m e + s p a c e ) : v a l i d a t i

  • n
  • f

G W a n d H E N d e t e c t i

  • n

s

  • U

n i q u e i n f

  • r

m a t i

  • n
  • n

i n t e r n a l p r

  • c

e s s e s : a c c r e t i

  • n

, e j e c t i

  • n

. . . G W e m i s s i

  • n

: c

  • l

l a p s e

  • f

b i n a r y m e r g e r s H E N e m i s s i

  • n

: a c c e l e r a t i

  • n
  • f

p r

  • t
  • n

s , f

  • l

l

  • w

e d b y p p a n d p γ i n t e r a c t i

  • n

s → n e u t r i n

  • s
slide-40
SLIDE 40

GWHEN: method

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 1 1

slide-41
SLIDE 41

GWHEN

A u r

  • r

e Ma t h i e u F F P – Ma r s e i l l e , J u l y 1 5

  • 1

8 , 2 1 4 B 1 2

A n a l y s i s

  • f

2 7 d a t a : c

  • m

p l e t e d → n

  • G

W i n c

  • i

n c i d e n c e w i t h a n e u t r i n

  • s

i g n a l A n a l y s i s

  • f

2 9

  • 2

1 d a t a :

  • n
  • g
  • i

n g