VLBI による低光度 AGN M84 の観測的研究

VLBI
LLAGN M84
NAOJ/IRA
NAOJ
/NAOJ M2
JAXA
www001.upp.so-net.ne.jp/wonda/html/Galaxy.html
42
M84)
=NGC4374=UGC07494=3C272.1
12h25m03.7s.+12°53'13"
.
#1
~.3..
arcmin
M87
Edd
Edd
1mas=0.089pc=582Rs.
LLAGN.
①ADAF:.AdvecPon.Dominated.AccrePon.Flow.
AGN
.
.
.
.
(Ho.2008)
②
①
①
②Jet.
.
.
②
..
LLAGN.M
#6
bol
Edd
.
.
VERA 22/43GHz
2
.jetCcounter.jet.
M84
M
inclinaPon.angle(jet
1.mas.
=.0.089.pc.
=.582.Rs.
Map peak: 0.0624
Jy/beam
Contours: 0.00528 Jy/beam ×
(C1..1..2..2.83..4..4.24..5.66..8..11.3)
Rs
)
VLBA(1.7C43.GHz)
AGN
1.mas.
=.0.089.pc.
=.582.Rs.
1.mas.
=.0.089.pc.
=.582.Rs.
Map peak: 0.0739 Jy/beam
Contours: 0.00133
Jy/
beam × (C1..1..2..2.83..4..5.66..
8. . 11.3. . 16. . 22.6. 32. . 45.3).
10.mas.
=.0.89.pc.
=.5820.Rs.
Map peak: 0.118
Jy/beam
Contours: 0.000162 Jy/beam ×
(C1..1..2..2.83..4..4.24..5.66..8..11.3)
]
intrinsic.jet.speed.β.[c:
0
0
M84
.
.
?.
.
→.
jet.inclinaPon.angle.θ.[degree]
90
VERA
.
βapp
.
Jet speed app
= 1.88×10 – 4
Distance between Core and Jet[mas]
Distance between Core and Jet[mas]
1
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1
0.9
2012.2 2012.4 2012.6 2012.8
Date
2013
2013.2 2013.4