Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN...

45
Lyman Alpha Radiative Transfer & Polarimetric Modeling for LABd05 Seok-Jun Chang Sejong University

Transcript of Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN...

Page 1: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer& Polarimetric Modeling

for LABd05

Seok-Jun ChangSejong University

Page 2: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Contents

1. Introduction

2.Lyα Radiative Transfer

3.LABd05 (Yang et al. 2014)

4.Polarimetric Modeling

5.Summary & Future Work

Page 3: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Blobs

Page 4: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarization of LAB

Page 5: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarization of LAB

You et al 2017 Kim et al in prep

Page 6: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

Page 7: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

H

,ො, , ,

= +Incident Photon

Page 8: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

H

,ො, , ,

= +Incident Photon

Page 9: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Grid-Based Radiative Transfer

=

= 1 + 2 + 3 + 4 + 5

=

==

=

Page 10: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

H

,ො, , ,

= +Incident Photon

Page 11: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

2s

1s

2p

Energy Level of Atomic Hydrogen

Page 12: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

2s

1s

2p

Energy Level of Atomic Hydrogen Total Cross Section near Lya(Chang et al. 2017)

Page 13: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

2s

1s

2p

Energy Level of Atomic Hydrogen Total Cross Section near Lya(Chang et al. 2017)

Resonance Scattering(Core Scattering)

Rayleigh Scattering(Wing Scattering)

Page 14: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

2s

1s

2p

Energy Level of Atomic Hydrogen Total Cross Section near Lya

Page 15: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

2s

1s

2p

Energy Level of Atomic Hydrogen Resonance Line(Neufeld 1990)

Page 16: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

2s

1s

2p

Energy Level of Atomic Hydrogen

Resonance Scattering(Core Scattering)

Rayleigh Scattering(Wing Scattering)

Page 17: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Lyman Alpha Radiative Transfer

2s

1s

2p

Energy Level of Atomic Hydrogen

Resonance Scattering(Core Scattering)

Rayleigh Scattering(Wing Scattering)

2p1/2

2p3/2

Page 18: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Resonance Scattering(Core Scattering)

Rayleigh Scattering(Wing Scattering)

H H

ො, ො,

Page 19: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Resonance Scattering(Core Scattering)

Rayleigh Scattering(Wing Scattering)

HH

cos =3

8(1 + cos )

cos = ො ∙ ොcos ~

~

~

>>

~0Strongly Polarized

Weakly Polarized :1𝑠 2 3/2

Un-Polarized : 1𝑠 2 1/2

Page 20: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarization Direction

,ො , , ,

Page 21: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarization Direction

Page 22: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarization Direction

Page 23: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Code Check – Circular Pattern

Page 24: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Code Check – Circular Pattern

Page 25: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Code Check – Chandrasekhar 1960

Page 26: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Code Check – Chandrasekhar 1960

Page 27: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Code Check – Dijkstra & Leob 2008

1920

Page 28: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

LABd05

1. Galaxies and AGN in this region show spatial offset from the Lya peak.

(Dey et al 2005, Yang et al 2014)

2. CO and dust are concentrated on Galaxy 36.

3. Galaxy 36 is obscured AGN.

~ .~

Page 29: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

LABd05

~ .~

1. Galaxies and AGN in this region show spatial offset from the Lya peak.

(Dey et al 2005, Yang et al 2014)

2. CO and dust are concentrated on Galaxy 36.

3. Galaxy 36 is obscured AGN.

Page 30: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

LABd05

~ .~

1. Galaxies and AGN in this region show spatial offset from the Lya peak.

(Dey et al 2005, Yang et al 2014)

2. CO and dust are concentrated on Galaxy 36.

3. Galaxy 36 is obscured AGN.

Page 31: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

2D-Spectrum of LABd05

= 295 /

1. The profiles of Lya and CO is symmetric.

2. The peaks of Lya and UV show offset.

Page 32: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

2D-Spectrum of LABd05

1. The peaks of Lya and He II show small offset.

2. The profile of Lya show red asymmetry.

Page 33: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling

Page 34: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling

Neutral Region

Fully-ionized

AGN

= 0

2𝑠

0 2

C overing F actor=1

4

= 0

0 = 100 km/s

Grid : (300,300,300)

= 1020cm 2

Page 35: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling : Model 1

= .

= .

= .

Page 36: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling : Model 1

= .

= .

= .Region 1

Region 2

Region 3

Page 37: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling : Model 1

= 0.1 = 0.1 = 0.1

Page 38: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling : Model 1

Page 39: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling : Model 2

= .

= .

= .

Page 40: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling : Model 2

= .

= .

= . Region 1

Region 2

Region 3

Page 41: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling : Model 2

= 0.1 = 0.1 = 0.1

Page 42: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Polarimetric Modeling : Model 2

Page 43: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Comparison with Observation and Simulation

Model 1

Model 2

Page 44: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Comparison with Observation and Simulation

Model 1

Model 2

Page 45: Sejong University - 1ST KOREAN LAWSejong University. Contents 1.Introduction ... 1. Galaxies and AGN in this region show spatial offset from the Lya peak. (Dey et al 2005, Yang et

Summary & Future Work

1. Our Lyα RT code provide (I,Q,U)[x,y,λ] datacube.

2. The polarization by Rayleigh scattering is stronger than resonance scattering.

3. We consider more accurate and various model to analyze LABd05.