deeply x-raying the high energy sky

Deeply X-Raying the High-Energy Sky

Eugenio Bottacini 1

Deeply X − Raying the High-Energy Sky

Eugenio Bottacini (Stanford University) Marco Ajello (Clemson University)


Eugenio Bottacini 2

Coded-mask telescopes Swift - BAT INTEGRAL – IBIS/ISGRI

credits: ISDC (M. Türler)


Eugenio Bottacini 3

Swift & INTEGRAL


Eugenio Bottacini 4

Swift & INTEGRAL


Eugenio Bottacini 5

Swift & INTEGRAL


Eugenio Bottacini 6


Eugenio Bottacini 7


Eugenio Bottacini 8

observations


Eugenio Bottacini 9

observations resample


Eugenio Bottacini 10

observations resample cross-cal



observations resample cross-cal merging



SIX:

Swift – INTEGRAL X-ray

18 – 55 keV


Eugenio Bottacini

Catalog: ~900 sources

AGN 65%

Gal. 3%

X-‐ray 3%

14

No ID

8.2

HMXB

8.5

LMXB

8.6

Galactic

5.8

CV

5.3 Blzr

4.4

QSO

2.8

PSR

1.7

CG

1.3

other

1.9



credits: Fermi LAT collaboration NASA - DOE

Unassociated Gamma-Ray Sources



credits: Fermi LAT collaboration NASA - DOE

Unassociated Gamma-Ray Sources

Nolan et al. 2012 (2FGL)

3FGL: work in progress



Source association from GeV to keV

LAT δ




LAT δ

6’



Associations: 84

]-1 s-2 [erg cm 18 - 55 keVSIX flux-1210 -1110 -1010 -910

]-1

s

-2 [p

h cm

1 -

3 G

eVFe

rmi-L

AT fl

ux

-1010

-910

-810

-710

-610

Extragalactic

Galactic



Associations: Extragalactic


]-1

s

-2 [p

h cm

1 -

3 G

eVFe

rmi-L

AT fl

ux

-1010

-910

-810

-710

-610

Blazars

TeV Blazars

non-Blazars



Associations: Extragalactic


]-1

s

-2 [p

h cm

1 -

3 G

eVFe

rmi-L

AT fl

ux

-1010

-910

-810

-710

-610


]-1

s

-2 [p

h cm

1 -

3 G

eVFe

rmi-L

AT fl

ux

-1010

-910

-810

-710

-610

Blazars

TeV Blazars

non-Blazars



Associations: Galactic


]-1

s

-2 [p

h cm

1 -

3 G

eVFe

rmi-L

AT fl

ux

-1010

-910

-810

-710

-610

HMXB

Pulsars

Other



Associations: Galactic


]-1

s

-2 [p

h cm

1 -

3 G

eVFe

rmi-L

AT fl

ux

-1010

-910

-810

-710

-610


]-1

s

-2 [p

h cm

1 -

3 G

eVFe

rmi-L

AT fl

ux

-1010

-910

-810

-710

-610

HMXB

Pulsars

Other



Sy1

2 HMXB

3

AXP

1

PSR1

cld

1 PWN

1

NEW

1

FSRQ

3

QSO

1

Galactic Extragalactic


Eugenio Bottacini

Next



current exposure

9 Msec INTEGRAL legacy program

future exposure



84 SIX – LAT associations: 20 previously LAT-unassociated

SIX = Swift – INTGERAL X-ray survey: ~900 sources

3FGL will tell more!

Summary


]-1

s

-2 [p

h cm

1 -

3 G

eVFe

rmi-L

AT fl

ux

-1010

-910

-810

-710

-610



SIXPSF = C1 BATPSF + C2 ISGRIPSF

Point Spread Func8on Averaged normalized PSF



Sta)s)cal errors down:

Sensi)vity ~ t-‐0.5

!Systema)c errors down:

σ2ISGRI = σ2ISGRI_1 + σ2ISGRI_2 + 2 covISGRI_1,ISGRI_2 σ2SIX = σ2ISGRI + σ2BAT + 2 covBAT,ISGRI

Complicated data analysis

deeply x-raying the high energy sky

Documents