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J/ApJ/846/98
12075
Jet kinematics of blazars at 43GHz with the VLBA (Jorstad+, 2017)
ReadMe+ftp
2017ApJ...846...98J
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Post annotation
1.
J/ApJ/846/98/table7
Physical parameters of jet features
(120 rows)
meta
J/ApJ/846/98/table7
Simple Constraint
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Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
ID
(char)
Source identifier (HHMM+ddd; B1950)
(
meta.id.parent
)
(
ID_PARENT
)
Knot
(char)
Knot designation
(
meta.id;meta.main
)
(
ID_MAIN
)
tau
yr
[0.1/3.2] Timescale of variability of flux density
(
src.var
)
(
TIME_SCALE
)
e_tau
yr
[0.007/0.9] Standard deviation in tau
(
stat.error
)
(
ERROR
)
aavg
mas
[0.07/0.6] Mean knot size <a>
(
phys.angSize
)
(
EXTENSION_DIAM
)
e_aavg
mas
[0.02/0.3] Standard deviation in aavg
(
stat.error
)
(
ERROR
)
o_tau
[3/46] Number of measurements for calculating tau
(
meta.number
)
(
NUMBER
)
delta
[1.3/60] Variability Doppler factor δ
var
(
spect.dopplerParam
)
(
PHYS_TANG-DOPPLER-FACT
)
e_delta
[0.4/24] Standard deviation in delta
(
stat.error;pos.eq.dec
)
(
ERROR
)
Gamma
[3.7/37.3] Bulk Lorentz factor Γ
(
stat.fit.param
)
(
FIT_PARAM_VALUE
)
e_Gamma
[0.7/9] Standard deviation in Gamma
(
stat.error
)
(
ERROR
)
theta
deg
[0.3/22.1] Intrinsic viewing angle Θ
deg
(
pos.posAng
)
(
INST_ANG_OFFAXIS
)
e_theta
deg
[0/5.1] Standard deviation in theta
(
stat.error;pos.posAng
)
(
ERROR
)
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