J0747+7639

General information

Source (J2000)IAU Source name (J2000)
J0747+7639
Source (B1950)IAU Source name (B1950)
0740+767
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 07 47 14.607565, δ = +76 39 17.271400
RedshiftRedshift
N/A
Source typeOptical class
BL Lac object
Optical V magnitudeOptical V magnitude
mV = 20

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]
0.12
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.291 ± 0.023
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
47
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.09 ± 0.007
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3080
Ba [μas]Major axis of the restoring beam [μas]
105
Bb [μas]Minor axis of the restoring beam [μas]
38
BPA [degrees]Position angle of the major axis [degrees]
-2.1
St [mJy]Total clean flux density [mJy]
58
Sp [mJy/beam]Peak flux density [mJy/beam]
59
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
2
ξrQuality factor of the residual
noise in the image
1.03

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 63 ± 17 59 ± 12 <13 0 0 >6.085 1.53 1.94

Downloads

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