PowerPoint

Exploration of Reionizationwith Hubble Frontier Fields ICRR Spring School 2014Observational cosmology groupSuperviser : Ouchi.M TA: Ishigaki.M, Ono. N, Konno AAkitsu. K, Aritomi. N, Matsushita. Y, Mukae. S, Taniguchi. Y1----- (3/7/14 18:39) -----

----- (3/8/14 08:50) -----HFF1ICRR Spring School

CONTENTSIntroductionData&SampleAnalysisResultsDiscussion

2

2ICRR Spring School

INTRODUCTION3Reionization4

Cosmic reionization is one of the most important events in the early history of the universe4ICRR Spring School HUVp5

erg s^-1 Hz^-1 Mpc^-3

5ICRR Spring School

6

[]/

L

luminosity

(rg s^-1 Hz^-1 Mpc^-1)6ICRR Spring School

(Robertson et al. 2013)70log()

7ICRR Spring School

8HSTHSTHST

8ICRR Spring School HFF(Hubble Frontier Fields) projectHST+

2013~

Abell27449

Abell 2744 (Hakim et al. 2014 )HST28~29HFF

2013/10~12Mass9ICRR Spring School

dATA&SAMPLE10&SExtractor ()

(3)S/N

6000

112774600011

12ACS()WFC3()43506060814010500125001400016000

13Redshift

z~7

z~881401050012500

~71216(UV)LyZ12161+z97289728Z13

Atek, H.,et al.(2014)14z~7

z~7

Av

14z~8 (12500)

15z~8z~815z~8 (10500)

16z~816

Z=7,817z~7z~8741718z~7-15.9!!19

-17 -15.9

-15.8807

19

ANALYSIS20 z=8 ? ! z

D D / 1/(1+z)

z=7.4z=8.6

361Mpc52Mpc2

11Mpc23971 Mpc3162162()22

Z = 8 Hubble23

Results&DISCUSSION2424ICRR Spring School fitting@z=8

LM

fitting@z=726

-15.926-M@z=727

rage27

Robertson et al. (2013)

28

z

1.25m(z=7)1.60m(z=8)(=)1560(z=7)1780(z=8)

13.6eV(=912)

28

-M(z=7)29

29

-M(z=7)30()HFF-30

-15.9.().z=7z=6.

.cosmic variance()HFF.

3131

HFFUV. ().

(-15.9). .

HFF3232

Thank You for Your Attention !33----- (3/7/14 18:39) -----

33APPENdIX34Abell 2744WFC(F435W, F606W, F814W)35

36