γ-ray selected AGN (Blazars)

AGN:Twomaincategories1.  Dominatedby(mostly)thermalemissionfromaccre7on

disk- RadioquietAGN(>~90%)(normalQSOpoweredbyaccreBonontoaSMblackhole)

1.  DominatedbyNon-Thermalradia7on–

JetdominatedAGN(<10%)

WhenΘ<θblazar

Blazar

AccreBonontoSMBH

AccreBonontoSMBH

AccreBonontoSMBH

100

MeV

- 10

0 G

eV –

HE

band

100

GeV

- 1

0 Te

V –

VHE

band

Currentlyopera=nginstruments/telescopescapableofdetec=ngcosmicΥ-raysourcesInspace:HEgamma-rays(Eγ>100MeV)AGILE(launchedinApril2007)Fermi(launchedinJune2008)AMS-2(launchedinMay2011–experimentontheISS)DAMPE(launchedinDecember2015)Ontheground:VHEgamma-rays(Eγ>50/100GeV)IACTS(HESS,MAGIC,VERITAS->CTA),SmallFieldofView,goodsensiBvityWaterCherenkov/Airshower(HAWK,ARGO,->LHAASO.)LargeFOV,largeintegraBonBmes

1451 srcs 43% unassoc.

1873 35% unassoc.

3033 33% unassoc.

Fermi 3FGL catalog: Acero et al. 2015 ApJS 218,23 arXiv:1501.02003

4 years of PASS 7 data: 3033 sources

~98%oftheAGNareblazars

Fermi 3rd AGN catalog (3LAC) : Ackermann et al. 2015, ApJ 810, 14, arXiv:1501.06054

415FSRQs 657BLLacs 402blazarsofunknowntype

1773sourceswithTS>251444in“cleansample”

X-ray:BlazarsinRASScr>0.05(BZCAT,Massaro,E.etal.2015)

−2.5 −2 −1.5 −1 −0.5 0 0.5 1 1.5 2 2.5

−10

1

μ-waves:PlanckERCSCBlazars

−2.5 −2 −1.5 −1 −0.5 0 0.5 1 1.5 2 2.5

−10

1

VHEband:Fermi2FHL(E>50GeV)

γ-ray:Fermi-LAT4yrBlazarCatalog(Ackermannetal.2015)

3C 454.3

3C 454.3

100

MeV

- 10

0 G

eV b

and

3C 454.3

100

MeV

- 10

0 G

eV b

and

100

GeV

- 1

0 Te

V ba

nd

factor1

04!LBLobject,HEemiier,withsteepspectrun

Mrk 501

HBLobject,HE+VHEemiier,withhardHEspectrun

PKS 2155-304

Aharonianetal2007

2015,MNRAS450,2404arXiv:1504.01978

2015,ApJL800L,27,arXiv:1501.050301

Summary of γ-ray detections (TS > 25) in 27 month Fermi-LAT data.

Summary of γ-ray detections (TS > 25) in 27 month Fermi-LAT data.

Arsiolietal.2016,inpreparaBon) PRELIMINARY

PRELIMINARY

PRELIMINARY

Outof104Radiobrightestnorthernsources:•  83havecounterpartsfromFGLcatalogs(allTS>25)

•  6newdetecBonswithTS>25

•  4newdetecBonswithTSinbetween10to25

•  2newassociaBonwith3FGL(frombeierposiBoningwhenusingTSmaps)

•  2newdetecBonsfromsolvingsourceconfusion

•  3transients(onlydetectableduringshortflareepisodes,confirmedwithTSmaps,TS~10-15alongonemonth,orfewmonths)

So,outofthe104sources,only4casescanbeconsideredasnon-detecBonsingamma-rays

PRELIMINARY

2015,ApJL800L,27,arXiv:1501.050301

The Very High Energy (VHE)

(E > 50 GeV)

Υ-ray sky

New large samples of high-energy synchrotron

peaked blazars

-The most energetic particle accelerators known and likely VHE emitters -

νpeak>1015Hz

VHE-

TeV

band

νpeakF(νpeak)

FOM=νpeakF(νpeak)/5.x10-12

A&A2015,A&A,2015,579,34DOI:10.1051/0004-6361/201424148

30

+90o

−90o

−60o

−30o

+0o

+30o

+60o

180o180o 0o30o60o90o120o150o 210o240o270o300o330o

2WHSP~1,700 objects Y-L.Chang,B.Arsioli,P.Giommi,P.Padovani,2016inpreparaBon

TalkbyY-L.Chang

The VHE sky (IACTs) F > ~ 10 mC.U.

+90o

−90o

−60o

−30o

+0o

+30o

+60o

180o180o 0o30o60o90o120o150o 210o240o270o300o330o

The VHE sky (IACTs+Fermi 2FHL) F > ~ 10 mC.U. F > ~ 10 mC.U.

+90o

−90o

−60o

−30o

+0o

+30o

+60o

180o180o 0o30o60o90o120o150o 210o240o270o300o330o

−11.5 −11 −10.5 −10 −9.5

00.1

0.2

0.3

frequency

Log(ebl−deabsorbedF>50GeV/fom)

2WHSP - Fermi 2FHL Common sources

15 15.5 16 16.5 17 17.5 18 18.5

−11.5

−11

−10.5

−10

Log(ebl−deabsorbedF >

50GeV/fom)

Log(νpeak)

Factorof2frombestfit

PRELIMINARY

Flux(E>50GeV)ebl-deabsorbed=2.x1011*Sync_peak_flux*10(-0.154*log(nu_peak)-8.03)

PRELIMINARY

The VHE sky (IACTs+Fermi 2FHL+2WHSP bright)

PRELIMINARY +90o

−90o

−60o

−30o

+0o

+30o

+60o

180o180o 0o30o60o90o120o150o 210o240o270o300o330o

F > ~ 10 mC.U F > ~ 10 mC.U. F > ~ 10 mC.U

10 15 20 25−16

−14

−12

−10

Log νf

(ν)[e

rg c

m−2

s−1 ]

Log frequency ν [Hz]10 15 20 25−1

6−1

4−1

2−1

0

Log νf

(ν)[e

rg c

m−2

s−1 ]

Log frequency ν [Hz]

5BZBJ1427+2348:anexampleofBlazarin2FHLandinthe2WHSPsample

10 15 20 25−16

−14

−12

−10

Log νf

(ν)[e

rg c

m−2

s−1 ]

Log frequency ν [Hz]10 15 20 25−1

6−1

4−1

2−1

0

Log νf

(ν)[e

rg c

m−2

s−1 ]

Log frequency ν [Hz]

5BZUJ0221+3556:anexampleofBlazarin2FHLbutnotinthe2WHSPsample

About 1/3 of the Fermi 2FHL blazars have νpeak < 1015Hz

(not in 2WHSP)

The VHE sky (IACTs+Fermi 2FHL+2WHSP bright)

PRELIMINARY +90o

−90o

−60o

−30o

+0o

+30o

+60o

180o180o 0o30o60o90o120o150o 210o240o270o300o330o

F > ~ 10 mC.U F > ~ 10 mC.U. F > ~ 10 mC.U

The VHE sky (IACTs+Fermi 2FHL+2WHSP bright + faint)

PRELIMINARY +90o

−90o

−60o

−30o

+0o

+30o

+60o

180o180o 0o30o60o90o120o150o 210o240o270o300o330o

F > ~ 1 mC.U ~ CTA sensitvity

Open Universe

Paolo Giommi Italian Space Agency

Anini=a=veundertheauspicesofCOPUOSannouncedbytheASIpresidentanddescribedinaconferenceroompaperpresentedbyItaly

forexpandingavailabilityofandaccessibilitytoopensourcespacesciencedata

ApprovedbythegeneralassemblyofCOPUOSatits59thsession(June2016)

42Vienna,10/06/2016 CommiieeonthePeacefulUsesofOuterSpace59thsession