J0854+2006

General information

Source (J2000)IAU Source name (J2000)
J0854+2006
Source (B1950)IAU Source name (B1950)
0851+202
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 08 54 48.874900, δ = +20 06 30.641000
RedshiftRedshift
z = 0.306
Source typeOptical class
BL Lac object
Optical V magnitudeOptical V magnitude
mV = 14

Images and parameters

Observation epoch2011-05-01
S86 GHzTotal single dish flux density measured at 86 GHz obtained from pointing and calibration scan measurements at Pica Veleta or Plateau de Bure [Jy]
6.7
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.854 ± 0.111
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
64
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.889 ± 0.044
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3128
Ba [μas]Major axis of the restoring beam [μas]
301
Bb [μas]Minor axis of the restoring beam [μas]
37
BPA [degrees]Position angle of the major axis [degrees]
-14.5
St [mJy]Total clean flux density [mJy]
4274
Sp [mJy/beam]Peak flux density [mJy/beam]
1317
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
58
ξrQuality factor of the residual
noise in the image
1.24

Component
StotTotal flux density of the component [mJy]
SpeakPeak flux density of the component [mJy/beam]
dComponent size [μas]
rComponent's offset from the core [μas]
θPosition angle of the offset [degrees]
TbBrightness temperature obtained from the model fits [1010K]
Tb,minVisibility based estimate of the minimum brightness temperature [1010K]
Tb,limVisibility based estimate of the maximum brightness temperature [1010K]
1 1253 ± 390 1250 ± 275 <25 0 0 >41.703 14.60 61.60
2 2714 ± 774 835 ± 228 72 ± 20 260 ± 10 -25.1 ± 2.2 11.299 ± 5.419 N/A N/A

Downloads

Epoch Image UV plot RAD plot FITS file of Image
2011-05-01 eps, jpg eps, jpg eps, jpg fits