IGEDEPUTUMAHADIPA PRIAJANA

Affiliation: INSTITUTE OF TECHNOLOGY BANDUNG

COLLABORATORS:HESTIRETNOTRIWULANDARIKIKIVIERDAYANTIPREMANAWPREMADISULISTYOWATI

WORKSHOPULXsANDTHEIRENVIRONMENT

June13th– 16th,2016Strasbourg,France

Outline

• Motivation• CombinedCatalog• Result

• Overlap• NonOverlap

• Summary

Motivation

• ToconfirmULXcandidates(<40Mpc)• ExaminetwoULXcatalogs,Liu(2011)&Waltonetal.(2011)

• ToinvestigatecorrelationbetweenULXsandtheirhostgalaxies• Propertiesofgalaxies(morphology,stellarmass,SFR,etc)• ULXsproperties(luminosity,positioninsidehostgalaxies,etc)

CombinedCatalog

ComparingLiu&WaltonCatalogsProperties Liu (2011) Waltonet al.(2011)

CatalogofGalaxies RC3 RC3

DistanceGalaxy HSTKP,SBF,Tully [92,88],Hubbleflow Tully[88], Hubbleflow

Galaxy isophotal diameter(arcmin) >1 -Distance limit(Mpc) 40 -

Galaxy position RC3 RC3(updatedwithNEDandVizier)

D25 isophotes RC3 RC3

Sourcecatalog ACISChandra(2007Dec14) 2XMM-DR1

Sourceposition uncertainty(arcsec) <1 <2.4ULXsoutside R25 Yes No

ULXs luminosity(erg/s) >2x1039 >1039

Energyrange(keV) 0.3– 8 0.2– 12

Chandra XMM-Newton

1E+38

1E+39

1E+40

1E+41

1E+42

0 50 100 150 200ULXsLuminosity[erg/s]

Galaxy Distance (Mpc)

Distribusi Luminositas ULXsterhadapjarak galaksi

Liu walton

CombinedULXscatalog

CriteriaofselectingsourceasULXs:a. MaximumLuminositymustbe

higherthan2x1039 erg/sb. Resideinhostgalaxieswithin40

Mpc indistancec. Locatedinsideisophotal diameter

D25 ofgalaxiesd. Overlappingsources:position

difference<2.ʺ4

40Mpc

Positiondifference= ( 𝑅𝐴1 − 𝑅𝐴2 cos(𝐷𝐸𝐶1))0+(𝐷𝐸𝐶1 − 𝐷𝐸𝐶2)0

OVERLAP

NGC4565X=Liu(2011)O=Waltonetal.(2011)

NON-OVERLAP

FinalResultofCombinedCatalog

SAMPLE ULXs GALAXIES

LiuOnly 250 81

WaltonOnly 129 53

Overlap 43 72(32haveoverlapULXs)

Total 422 206

Results

NumberofULXsperGalaxy(OverlapSample)

0

5

10

15

20

25

30

35

Spiral Elliptical Lenticular Irregular0

5

10

15

20

25

30

35

Num

bero

fGalaxies

Num

bero

fULXs

ULXsdistributionbasedonGalaxyType(OverlapSample)

NumberofULXs NumberofGalaxies

• HighernumberofULXsinSpiralGalaxies

• NearlysamenumberofULXs/galaxyforSpiralandElliptical->completenessofellipticalgalaxy(?)

GalaxyType NumberofULXsperGalaxy

Spiral 1.35Elliptical 1.6Lenticular 1Irregular 1Total 1.34

0

0,1

0,2

0,3

0,4

0,5

3 9 15 21 27 33 39 45 51 57 63 69 75 >78

Num

bero

fULXs

ULXsLuminosity (×1039erg/s)

0

0,05

0,1

0,15

0,2

0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1Relativ

eNum

bero

fULXs

R/R25

0

0,5

1

1,5

2

2,5

0,5 1 5 10 50 100 500 1000Numbe

rofU

LXsp

erGalaxy

LFIR (×1042 erg/s)

ULXsdistributioninhostgalaxy ULXsdistributionbasedonluminosity

ULXsLuminositybasedonmass ULXsdistributionbasedonLFIR

1,40E+39

1,40E+40

1,40E+41

1,0E+8 1,0E+9 1,0E+10 1,0E+11 1,0E+12

TotalLum

inosities

StellarMass(Mʘ)

1,40E+39

1,40E+40

1,40E+41

1,0E+8 1,0E+9 1,0E+10 1,0E+11 1,0E+12

TotalLum

inosities

StellarMass(Mʘ)

0

0,1

0,2

0,3

0,4

0,5

3 9 15 21 27 33 39 45 51 57 63 69 75 >78

Num

bero

fULXs

ULXsLuminosity (×1039 erg/s)

0

0,05

0,1

0,15

0,2

0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1Relativ

eNum

bero

fULXs

R/R25

0

0,5

1

1,5

2

2,5

0,5 1 5 10 50 100 500 1000Numbe

rofU

LXsp

erGalaxy

LFIR (1042 erg/s)

ULXsdistributioninhostgalaxy ULXsdistributionbasedonluminosity

ULXsLuminositybasedonmass ULXsdistributionbasedonLFIR

• HighnumberULXsat0.4– 0.5R/R25• Coincidewithstarformingregion(example:IC342,NGC1365)

IC342Credit:Nasa

NGC1365Credit:ESO

1,40E+39

1,40E+40

1,40E+41

1,0E+8 1,0E+9 1,0E+10 1,0E+11 1,0E+12

TotalLum

inosities

StellarMass(Mʘ)

0

0,1

0,2

0,3

0,4

0,5

3 9 15 21 27 33 39 45 51 57 63 69 75 >78

Num

bero

fULXs

ULXsLuminosity (×1039 erg/s)

0

0,05

0,1

0,15

0,2

0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1Relativ

eNum

bero

fULXs

R/R25

0

0,5

1

1,5

2

2,5

0,5 1 5 10 50 100 500 1000Numbe

rofU

LXsp

erGalaxy

LFIR (×1042 erg/s)

ULXsdistributioninhostgalaxy ULXsdistributionbasedonluminosity

ULXsLuminositybasedonmass ULXsdistributionbasedonLFIR

• Dominantonlowluminosity ULXs

• TotalLuminosityofULXsincrease

• LFIR – ProxytoSFR

• NoClear Correlation detected

• Overlapgalaxy,butULXsnotoverlap->why?• Liu->MoreULXs

Possibleexplanations:• Differentinstrument?• Exposuretime?• Variability?

NGC2146

NGC1404 NGC1672

NGC2276

• HighSpatialResolution• Canresolvesources incrowded

area

• HighSensitivity• Candetectdimsourcebetter

Chandra=3XMM=1

Cautiononnon-overlapsample

2E+38

2E+39

2E+40

2E+41

2E+42

1,0E+8 1,0E+9 1,0E+10 1,0E+11 1,0E+12

TotalLum

inosity

StellarMass(Mʘ)

0

0,05

0,1

0,15

0,2

0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1

Relativ

eNum

berofULXs

R/R25

Overlap Non-Overlap

ULXsdistributioninhostgalaxy ULXsdistributionbasedonluminosity

ULXsLuminositybasedonmass ULXsdistributionbasedonLFIR

0

0,1

0,2

0,3

0,4

0,5

3 6 9 12 15 18 21 24 27 30 33 36 39

Relativ

eNum

beofULXs

Luminosity(×1039 erg/s)Overlap Non-Overlap

0

1

2

3

4

1 50 1000Numbe

rofU

LXs/Ga

laxy

LFIR (×1042 erg/s)Overlap Non-Overlap

• Higher numberofULXsnearcenter • SameDistributionasOverlapSample

• SameDistributionasOverlapSample• Positivecorrelation withLFIR

• Circumnuclear Starburst

CircumnuclearStarburst~500pc

ULXs~ 200pc

NGC3034

FittingModel:• Power-Law• Power-LawwithLuminosityCut-off

X-rayLuminosityFunction

Overlap

LuminosityCut-Off~ 2×1040 erg/s

BHsUpperLimit~ 100Mʘ

Non-Overlap

Summary

• TotalULXsaftercombine:422ULXsin206Galaxies• 43OverlapULXsin32Galaxies->morelikelybeingULXs• TherearelotofULXsthatnotoverlap->needconfirmation(whynotdetectedinothermission)• Fromoverlapdistribution:

§ EllipticalandSpiralgalaxieshavenearlysamevalueforNumberofULXsperGalaxy(Ellipticalslightlyhigher)

§ Luminosity<1040 erg/sformostULXs§ NoclearcorrelationwithSFR§ XLF->cut-offat~2x1040 erg/s

ThankYou