XX

2019 Dec. 2

@

Collaborators:

MAXI

1.– X – X

2. X MAXI J1820+070

X (Shidatsu+ 2018, ApJ, 868, 54; Shidatsu+ 2019, ApJ)

3. X ––

X

days from the beginning of outburst

Tanaka+ (1992)

0 100 200

1

10

102

10-1

10-2Fl

ux (C

rab)

X X

©ESO

(

)

X or

X →

X ( OB )

X

X outflow

=>

BH or NS

( )

X

(

)

• X (=

X

BH GRO J1655-40

low/hard

high/soft

(Done et al. 2007)

Energy (keV)

1001

EFE

?

=> X

???high/soft

low/hard

/

???

Compton

X

(~ )

X

• X (=•

X

BH GRO J1655-40

low/hard

high/soft

(Done et al. 2007)

Energy (keV)1001

EFE

???high/soft

low/hard

/???

Compton

X

(~ )

X

• X (=•

X

jet

???no jet

high/soft

low/hard

/

???

Compton

X

(~ )

GRS 1915+105, VLBA

(Dwahan+ 2000)→

1pc

1E 1740.7-2042

(Mirabel+ 1992)

=>

X MAXI

• 2-20 keV X• JAXA, 2009 • ~92min 1 • X

MAXI

X → X

MAXI X

2009.09-

black hole: 13neutron star: 9white dwarf: 1unknown: 3

X

BH + NS ~6 /(Negoro+ 2016)

Courtesy of Negoro-san

J1637-430

~3 BH X ( )

0.01

0.1

1

10

2−10

keV

flux

c/s/

cm2

5.8×104 5.82×104 5.84×104 5.86×1040.1

1

0.2

0.5

2

5

hard

ness

MJD

J1535 J1820

J1813

J1727

J1631 J1348

2-10

keV

[ph

/s /c

m2]

0.01

0.1

1

10

2−10

keV

flux

c/s/

cm2

5.8×104 5.82×104 5.84×104 5.86×1040.1

1

0.2

0.5

2

5

hard

ness

MJD58000 58200 58400 58600

MAXI 10 year conference2020.3.10-3.12

( / : open)

http://maxi.riken.jp/conf/10year

http://maxi.riken.jp/conf/10year

: X MAXI J1820+070

X

2018 Mar. 11 BH X (Kawamuro+ 2018 ATel #11399)– !, # = (35.853, 10.160) – NH ~1 1021 /cm2, Av ~ 0.3– D = 3 1 kpc (Gandhi+ 2018, Gaia)

MAXI J1820+070

Hardness ratio(6-20 keV/2-6 keV)

MAXI/GSC 2-6 keV

MAXI/GSC 6-20 keV

Swift/BAT 15-50 keV

Phot

ons /

cm2 /

sHR

Coun

ts /c

m2 /

s

• 1low/hard

• 2

2019 3 8

(→

MAXI/GSC

1 X

2018/102018/3

(1 )

(OISTER)

g’, Rc, IcMITSuME ( )• 50 cm • 50 cm • 105 cm

r, i, z55 cm SaCRA ( )

J, H, Ks2.0 m ( )

Mar 24

g’-band

Rc-band

Ic-band

Phot

ons/

sec/

cm2

mag

mag

mag

Days from Mar. 13X

SED

(OISTER) (3/24)Ks H J z i r g

MAXI/GSC Swift/BAT

SEDOISTER (3/24)

+ MAXI/GSC (3/24)+ Swift/BAT (3/24)

optical + radio (3/18; ATel #11439, 11458)mid-IR + radio (4/8; ATel #11420, 11533)

SEDOISTER (3/24)

+ MAXI/GSC (3/24)+ Swift/BAT (3/24)

optical + radio (3/18; ATel #11439, 11458)mid-IR + radio (4/8; ATel #11420, 11533)

SEDOISTER (3/24)

+ MAXI/GSC (3/24)+ Swift/BAT (3/24)

optical + radio (3/18; ATel #11439, 11458)mid-IR + radio (4/8; ATel #11420, 11533)

jet

Disk + corona

SEDOISTER (3/24)

+ MAXI/GSC (3/24)+ Swift/BAT (3/24)

optical + radio (3/18; ATel #11439, 11458)mid-IR + radio (4/8; ATel #11420, 11533)

jet

Disk + corona

SED (τ~#$%&~1) jet base

R B :νB = 3 1013 HzFνB = 400 mJy

B ~ 104 GR ~ 109 cm ~ 103 Rg

(equipartition )

-> BH (Shidatsu+ 2011, Chaty+ 2011 etc.)

SEDOISTER (3/24)

+ MAXI/GSC (3/24)+ Swift/BAT (3/24)

optical + radio (3/18; ATel #11439, 11458)mid-IR + radio (4/8; ATel #11420, 11533)

jet

Disk + corona

OISTER (3/24)

+ MAXI/GSC (3/24)

+ Swift/BAT (3/24)

optical + radio (3/18; ATel #11439, 11458)

mid-IR + radio (4/8; ATel #11420, 11533)

SED

+

Rout ~ 105 Rg

fout ~ 0.005

( X flux X

X MAXI J1828-249(Oda & Shidatsu+ 2019)

MAXI J1910-057 high/soft -> (Nakahira, Negoro, Shidatsu+ 2014)

optical

opticalopticaloptical

X-ray

X-rayX-rayX-ray

(G)(A)

(C)(B)

(F)

(D)

(E)

(

model: Tbabs * simpl * diskbb(A)

(F)

(C)

(E) (G)

(B)

(D)

MAXI/GSC + Swift/BAT

Hardness ratio(6-20 keV/2-6 keV)

MAXI/GSC 2-6 keV

phot

on/c

m-2

/sHR

( 50 cm )

50cm g’-band magnitude

MAXI/GSC

X / /

low/hard high/soft low/hard

- X

low/hard high/soft

(= )

Lopt ∝ Lx0.51 0.03

g-ba

nd lu

min

osity ( )

: X X ( ~

) ?

•

-> jet or

?

high/soft

•

high/soft - X

low/hard high/soft

: Lopt ∝ Lx0.51 0.03→

jet ( : Tetarenko+ 2018, etc.)(

flux

Lopt ∝ Lx1/4

− X- - X

:

X( see e.g., Coriat+ 2009)

high/soft - X

low/hard high/soft

: Lopt ∝ Lx0.51 0.03→

jet ( : Tetarenko+ 2018, etc.)(

flux

Lopt ∝ Lx2/3 (X )Lopt ∝ Lx (X )

Lopt ∝ Lx1/4

− X- - X

:

“flat part” :

X( see e.g., Coriat+ 2009)

MAXI J1820+070 (low/hard )

Shidatsu+ (2018)jet

X

~

disk+Comp

ton

X

SED X

X

MAXI J1828-249

Oda & Shidatsu+ (2019)

→ ?

Comptondisk

time (day)

Tanaka+ (1992)

0 100 200

1

10

102

10-1

10-2

X-ra

yFl

ux (C

rab)

(1 1

X X

JCMT, ATCA

+ MAXI et al.

X

jet base

X

↓Disk wind !

(Munoz Darias+ 2016, Nature)

Nor

mal

ized

flux

Wavelength (Å)

CIII/NIII HeIIHα

GRO J1655-40, high/soft state (Soria et al. 2000)

(FWHM) ~ 500km/s

EW ~10ÅEW ~5Å

(1 ~ )=>

• X

• X !

w/ ( ) ( )( ) + MAXI

X

X :

Swift J1357.2−093313(Corral-Santana+ 2013)

P=2.8h

(orbital phase )

• •

→ high/soft low/hard ?

Swift J1753.5-0127 low/hard (Neustroev+ 2014)

Hα

velocity (km/s)

phas

e

Vx (km/s)

Vy(k

m/s

)

+ High phase+ Low phase

X

?→ /

“High” phase

“Low” phase

(s)

Swift/XRT 0.3-10 keV

2s bin X

~

= )

MAXI J1820+070, low/hard (Shidatsu+ 2018)

~ X

MAXI J1820+070, g’ & i’ band (Gandhi+ 2018)

(s)

(MAXI J1820+070:

X

•

• low/hardetc.