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2016

Publication Year

2020-05-25T14:14:26Z

Acceptance in OA@INAF

AGN populations in GOODS-N through eMERGE ultra-deep JVLA observations

Title

GUIDETTI, DARIA; BONDI, MARCO; PRANDONI, ISABELLA; Beswick, R. J.; Muxlow, T. W. B.; et al. Authors 10.5281/zenodo.60452 DOI http://hdl.handle.net/20.500.12386/25148 Handle

(2)

and M . B ondi , I .P ra ndoni (IRA -IN A F, B ol ogna ) R .J . Be sw ic k, T.W .B . M uxl ow , N . W rigl ey (J odr ell B ank O bs er va tor y, U ni v. of M anc he ste r), I.R . Sm ail (Ins tit ut e for C om put ati ona lC os m ol ogy , D ur ha m U ni v.) , I. M cH ar dy (S chool of P hys ic s and A str onom y, U ni ve rs ity of S out ha m pt on) , R . I vi son (Ins tit ut e for A str onom y, U ni v. of E di nbur gh , R oya lO bs er va tor y) A nd t he eM E R G E col la bor ati on

Da

ria

G

ui

de

tti

Ist

itut

o di

R

adi

oa

str

onom

ia

-IN

A

F, B

ol

ogna

G a rc hi ng , J un e 3 0 , 2016

AG

N

popul

at

ions

in

G

O

O

DS

-N

th

ro

ug

h

eM

E

R

G

E

ul

tra

-deep

JV

LA

o

bse

rva

tio

ns

(3)

A

c

om

pl

ete

c

ens

us

of

fa

int

AGNs

in

di

sta

nt

ga

la

xi

es

is

cruc

ia

lto

unde

rs

ta

nd

AGN

fe

edba

ck,

ac

cre

tion

re

gi

m

e a

nd

pos

sibl

e

co

-e

vol

ut

ion

w

ith

SF

pr

oc

es

se

s

R

adi

o

sur

ve

ys

inc

re

as

ingl

y

im

por

ta

nt

à

unbi

as

ed

and

re

sol

ve

d

vi

ew

of

AGNs

&

SF

C

om

pos

ite

sub

-mJ

y

ra

di

o

sour

ce

popul

ati

on

RQ

AGNs

sta

rt t

o

appe

ar

at

µJy

le

ve

ls

in

de

ep

ra

di

o

Fie

lds

(e .g. S eym our + 08, P adova ni + 09, + 11, + 15 B onz ini + 13 )

8

kpc

1. 4 G H z M E R L IN on H S T AC S i ba nd Sta r f or m ati on 5. 5 G H z 0. 2 arcs ec -> ra di o A G N c or e ( G ui de tti + 15) Z~ 2 Ul tra -de ep ra di o obs . (~ µ Jy rm s) w ith hi gh spa tia l re sol ut ion (s ub -kpc → kpc ) all ow us to study the ove ra ll AGN popul ati on and di sti ngui sh ext ende d kpc sc ale S F e m iss ion from m or e c om pa ct A G N com pone nt s (< 1 kpc )

C

ont

ext

Pa dova ni +15

(4)

A

ve

ry

de

ep di

re

cte

d

sur

ve

y of

the

µJ

y

ra

di

o s

our

ce

popul

ati

on

in

GOODS

-N

m

or

phol

ogi

ca

lly

and

spe

ctr

all

y

ide

nt

ifi

ca

tion

of

A

G

N

s &

S

Fgs

up

to z

~5

400

hr

s

eM

ER

LI

N

+

J

V

L

A

@

1.4 G

H

z

378

hr

s

eM

ER

LI

N

+

JV

L

A

@

5 G

H

z

(P

I

Pr

andoni

)

re

sol

ut

ion

50

-2000 m

as

(

0.5

-te

ns

of

kpc

at

z

>

1)

w

ith 0.5

-1

µJ

y/b

rm

s

anc

ill

ar

y

cove

ra

ge

of

G

O

O

D

S-N

fr

om

ra

di

o

to X

-ra

y

5

G

H

z J

V

L

A

A

/B

sur

ve

y

[c

om

pl

ete

]

(G

ui

de

tti+

I

&

II

in

pr

ep)

1.

4

G

H

z J

V

L

A

-A

(39

hr

s)

[c

om

pl

ete

]

(O

w

en+

in

pr

ep)

1.

4

G

H

z (

20

da

ys

, 15%

da

ta

re

duc

ed)

&

5

G

H

z eM

E

R

L

IN

(Q2

->

2016)

T

he

eM

E

R

G

E

sur

ve

y

eM

E

R

LI

N

G

al

ax

y

E

vol

ut

ion

sur

ve

y

5 P

I P

R

A

N

D

O

N

I

St

at

us

G

oal

H

ow

P I M uxl ow , S m ail & M cH ar dy a nd 60 C O -is fr om 9 count rie s

(5)

5.5 G

H

Z

JV

L

A

MO

S

A

IC

7-poi

nt

ing

m

os

aic

in

GOODS

-N

(m

atc

hi

ng

the

5

G

H

z e

-ME

R

L

IN

F

oV

)

14+

2

hour

s i

n

A

rra

y

A

&

B

[P

I:

M

uxl

ow

]

(Oc

t2012

&

Oc

t. 2013)

C

ent

ra

l f

re

que

nc

y

5.

5

G

H

z ,

2

G

H

z

ba

ndw

idt

h

0.5

ar

cs

ec

re

sol

ut

ion

, ~

1

µJ

y

rm

s

at

ce

nt

er

(1 s

igm

a)

50 % a re a rm s < 3 µJ y

(6)

94 sour ce s (S /N >5) , at <7 ar cm in from the ce nt re

S

5. 5G H z > 6 µJ y, 50% w ith

S

5. 5G H z< 30 µJ y 88% (83/ 94 ) s ec ur e Ks inde nt ifi ca tions w ithi n <0.5 ” (WI R C am , 5 σ de pt h of Ks ,A B = 24.45, W ang+ 10) 95% (79/ 83) w ith re ds hi ft (51 spe c 28 phot ) (C ow ie + 01,W irth+ 04,B arge r+ 08, K aji sa w a+ 10 , M om che va + 15) Fi rs t c ont our @ 3 σ 10 kpc 20 kpc 10 kpc

5.5 G

H

z c

ata

logue

<si ze > ~ 0.4 ar cs ec (~ 3 kpc at z =1 )

z

me d ~1 All P hot

(7)

5

IR

c

ol

our

-c

ol

our

pl

ot

s (

N

IR

->

F

IR

)

qua sa r m ode AGNs , pa ss ive (r adi o m ode ), sta r f or m ing ga la xi es

L

x-ra y

qua

sa

r m

ode

AGNs

ra

di

o

exc

es

s

sour

ce

s

(D el M or o+ 13)

ra

di

o

A

G

N

(R

M

&

Q

M

)

VL

B

I de

te

cti

ons

ra

di

o

A

G

N

(R

M

&

Q

M

)

M

ul

ti-!

cla

ss

ifi

ca

tion

of

the

5.5 G

H

z s

our

ce

s

S

am

pl

es

of

qua

sa

r/r

adi

o

m

ode

AGNs

and s

ta

r f

or

m

ing

ga

la

xi

es

(8)

IR

c

la

ss

ifi

ca

tion

of

the

5.5 G

H

z s

our

ce

s

35

AGNs

(qua

sa

r m

ode

) 45%

15 pa

ss

ive

ga

la

xi

es

20%

27

SF/

hyb

sys

te

m

s

35%

5 I R CC cr iter ia St er n+ 05 (IR A C ), D onl ey+ 12 (IR A C ) K irkpa tri ck+ 12 (IR A C , 24 µm , 100µ m , 250µ m ) M es sia s+ 12 (Ks -ba nd, IR A C ) 3 a cc ount for re ds hi ft evol ut ion 94% (77/ 83) IR -cl as sif ied sour ce s 93% (77/ 83) of the Ks -ide nt ifi ed sour ce s w ith 4-IR A C ba nds da ta (W ang+ 10) 78% (65/ 83) M IR , F IR H er sc he l+ PE P da ta (E lba z+ 11, M agne lli + 13) Do nle y+ 12 La cy +0 7

(9)

■ 44 Q M AGNs 57% ▲ 15 RM AGNs 20% 18 SF/ hyb 23% X -ray for 63% (52/ 83) (X ue + 16 ), 100 µ m for 63% (52/ 83) (E lba z+ 11, M agne lli + 13) , 1. 4 G H z V L A for 100% (M or ris on+ 10) , 1. 6 G H z VLB I (C hi + 13, R adc lif e+ 15)

X

-ra

y

&

ra

di

o

AGNs

35 Q M AGNs ▲ 15 R M AGNs 27 SF/ hyb QM AGNs if : Lx [2 -7 ke V ] > 10 42 er g/ s Lx [0. 2-7 ke V ] > 3× 10 42 er g/ s (for upp limits ) 29 X -ra y QM AGN (30% not IR Q M AGNs ) ra di o exc es s sour ce s if : q100 (log [S 100µ m /S 1. 4G H z ]) < 1.5 (D el M or o+ 13) S 100µ m= 1m Jy (3 sigm a) for uppe r limits 31 r adi o exc es s ( ~ 10% not IR R M A G N ) 1.6 GHz VL B I 18 sour ce s (~ 10% not IR R M AGNs )

77%

of

t

he

c

las

sif

ie

d

sou

rc

es

ar

e AG

Ns

!!

× X-ra y AG N s

(10)

~ 78% of the sour ce shos ta n A G N ( R M +Q M ) AGNs ove r al lz & L 5. 5G H z at z> 1.5 > 90% (34/ 37 sour ce s) are AGNs 3 S F/ hyb at z> 1.5 a re s ub -mm ga la xi es (B ar ge r+ 12) AGNs dom ina te dow n to fe w µ Jy (m os tQM ) ■ 44 Q M AGNs ▲ 15 RM AGNs 18 SF/ hyb AG N s SF /h yb al l

AGN

cont

ent

in t

he

5.5 G

O

O

D

S

-N

ca

ta

logue

(11)

1.4

-5.5 G

H

z s

pe

ctr

al

inde

x

&

opt

ic

al

im

age

s

z~ 1. 3 z~ 0. 5 10 kpc p as sive p as sive AGN AGN SF /h yb SF /h yb z~ 0.9 10 kpc z~ 0.5 z~ 1.5 z~ 1 z~ 0.6 1.4 G H z i nf or m ati on from V L A ca ta logue (1.7” F W H M M or ris on et al. 2010 ) Spe ctr al ana lys is limite d to com pa ct sour ce s: 61 w ith si ze <1 ar cs ec (~ 8 kpc @ z=1 ) 5. 5 G H z c ont our s/ H S T I ba nd im age z~ 0.5 10 kpc 10 kpc 10 kpc 10 kpc

31 QM AGNs α me d ~ 0.73 ▲ 14 R M A G N ~ 0.40 16 SF/ hyb sys te m s ~ 0.72

S

" " -#

(12)

142 Q M AGNs ▲ 34 RM AGNs 86 SF/ hyb sys te m s ~35%

44 Q M AGNs ▲ 15 RM A G N 18 SF/ hyb sys te m s ~20%

1.4 G

H

z se

le

cte

d

sa

m

pl

e

5. 5G H z s el ec ted sou rc es 1. 4 G H z s el ec ted sou rc es

]

~65 %

]

~80 % a la rge rf ra cti on of S F/ H yb and st ee p spe ctr a (84% ßà 49% at 5.5 G H z ) but AGNs st ill dom ina te from V L A c ata logue (1.7” F W H M M or ris on+ 10) 300 1.4 G H z s our ce s se le cte d in t he sa m e ar ea of our 5.5G H z m os aic (99% 20 µ Jy> S 1. 4G H z >1m Jy )

(13)

Sum

m

ary

Fi rs t c ata logue of r adi o sour ce s in G O O D S-N at 5.5 G H z ba se d on ul tra -de ep JV L A da ta w ith s ub -ar cs ec re sol ut ion A na lys is of the A G N /SFg cont ent in the 5.5 G H z c ata logue vi a 5 I R c c pl ot s, ha rd X -ra y lum inos ity , q 100 ra di o exc es s and V L B I de te cti ons T he m ajor ity of the sour ce s ar e A G N re la te d (m os tly qua sa r m ode ) dow n to a fe w µ Jy 30% of qua sa r m ode AGNs show a r adi o exc es s, 15% V L B I de te cte d qua sa r m ode AGNs and S F/ hyb ha ve si m ila rst ee p ra di o spe ctr a, ra di o m ode AGNs fl at/ inve rte d spe ctr a In t he sa m e sky ar ea , a 1.4G H z se le cte d sa m pl e at ar cs ec re sol ut ion cont ains a la rge r fra cti on of S F/ hyb and st ee p spe ctr a, but AGNs st ill dom ina te L ooki ng for w ar d for eM E R L IN da ta (L ove ll inc lude d) to expl or e the µ Jy & s ub -Jy sky w ith ~ 50 m as re sol ut ion à trul y re sol ve d & unbi as ed vi ew of A G N & S F pr oc es se sup t o hi gh re ds hi fts in G O O D S-N 76m L ove ll

(14)

X

-ra

y

for

63%

(52/

82)

(X ue + 16 ) (20 AGNs , 9 pa s, 15 S F/ hyb )

X

-ra

y

A

GN

if

:

Lx [2 -7 ke V ] > 10 42 er g/ s Lx [0.2 -7 ke V ] > 3× 10 42 er g/ s( for upp limits ) 22% of S F/ hyb cont ains an A G N not se en in IR AGN br ight es tX -ra y sour ce s Lx me d 5× 10 43 er g/ s Lx me d 1.7 ×10 41 er g/ s for pa s & SF/ hyb

X

-ra

y

AGNs

44 Q

M

AGNs

RM

A

G

N

SF/

hyb

sys

te

m

s

20/

35 i

n

Q

M

AGNs

3/

15 i

n

R

M

AGNs

6/

27 i

n

SF

/hyb

29

sour

ce

s

[

(15)

R adi o A G N re ve le ad by a r adi o exc es s wr tw ha t expe cte d from st ar for m ati on (fr om F IR /ra di o ..) & by V L B I de te cti ons 100 µm for 63% ( 52/ 82) (M agne lli + 13, + 15 ) S 100µ m =1m Jy (3 sigm a) for uppe r limits 1.4 G H z V L A for (82/ 82) (M or ris on+ 10)

R

adi

o

exc

es

s

if

:

q100

(log [S 100µ m /S 1. 4G H z ])

<

1.5

(D el M or o+ 13)

31 r

adi

o

exc

es

s

sour

ce

s:

13/ 15 pa ss ive 12/ 36 ? Q M AGNs -> A G N -re la te d ra di o em iss ion 6 / 27 A G N in SF /hyb AGNs w hi ch onl y appe ar in ra di o

R

adi

o

ac

tive

AGNs

Ri fa re con n uov i c ol or i, m a q ua li? A g g iu ng er e le V LBI n el p lot ? 1. 4 G H z V L B I (C hi + 13, R adc lif e+ 15) 13 sour ce s( al lr adi o exc es s)

(16)

IR

c

la

ss

ifi

ca

tion

of

the

5.5 G

H

z s

our

ce

s

10 kpc z~ 1 10 kpc z~ 0. 8 10 kpc 10 kpc z~ 0. 9 10 kpc z~ 0. 4 5 I R C C cr iter ia by St er n+ 05 (IR A C ), D onl ey+ 12 (IR A C ), K irkpa tri ck+ 12 (IR A C , F ar -IR ), M es sia s+ 12 (Ks , I R A C ) 4-IR A C ba nds phot om etr y for 90% (74/ 82) of the Ks -ide nt ifi ed sour ce s (W ang+ 10) Fa r-IR H er sc he lphot om etr y for 79% (65/ 82) (E lba z+ 11) La cy +0 7 Do nle y+ 12 Ki rk pa tri ck +1 2 pa ssi ve Sf g, SB , sp ir al D onl ey+ 12 ■ 36 AGN ca ndi da te s( se le cte d by at le as t1 I R c rit er ium ) ▲ 14 c andi da te pa ss ive el lipt ic als 24 SF/ com p sys te m s

(17)

TH

E

H

Y

B

R

ID

S

Y

S

TEM

J

12

36

49

+

62

07

37

:

E

M

E

R

L

IN

V

IE

W

@

5

G

H

Z

SF

ga

la

xy

O

pt

ic

al/

ne

ar

IR

spe

ctr

a

N

o

A

G

N

spe

ctr

al

fe

atur

es

N

o r

adi

o c

or

e i

n t

he

1.4 G

H

z M

E

R

L

IN

im

age

a

t 0.4 a

rc

se

c F

W

H

M

1. 4 G H z M E R L IN c ont our s on H S T A C S i ba nd im age

AGN

X

-ra

y l

um

inos

ity

[2

-10 ke

V

] of

1.3

×

10

45

er

g/

s

O

pt

ic

al

com

pa

ct c

or

e

R

adi

o

exc

es

s s

our

ce

A

G

N

fl

ux de

ns

ity

~130

µJ

y

as

sum

ing a

ra

di

o c

or

e of

0.4 a

rc

se

c

(M

E

R

L

IN

)

R

adi

o

em

iss

ion:

~

40%

A

G

N

+

60%

S

F →

SF

R

~

4000 M

/ye

ar

(C as ey+ 09)

W

e f

ound t

ha

t A

G

N

a

cc

ount

s a

t le

as

t f

or

60%

f

or

the

tot

al

ra

di

o

flux

S

FR

<

2800 M

/ye

ar

from

our

e

M

E

R

L

IN

f

lux

de

ns

ity

pot

ent

ia

l hot

U

L

IR

G

a

t z

~2.2

(C

as

ey+

09)

M uxl ow + 05 1. 4 G H z, 0. 4 ar cs ec F W H M

8

kpc

5. 5 G H z 0. 2 ar cs ec F W H M G ui de tti + 13

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