J1044+8054

General information

Source (J2000)IAU Source name (J2000)
J1044+8054
Source (B1950)IAU Source name (B1950)
1039+811
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 10 44 23.062546, δ = +80 54 39.443010
RedshiftRedshift
z = 1.26
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 16.5

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]
1.08
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
1.433 ± 0.027
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
56
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.126 ± 0.013
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3052
Ba [μas]Major axis of the restoring beam [μas]
104
Bb [μas]Minor axis of the restoring beam [μas]
33
BPA [degrees]Position angle of the major axis [degrees]
-41.1
St [mJy]Total clean flux density [mJy]
776
Sp [mJy/beam]Peak flux density [mJy/beam]
289
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
4
ξrQuality factor of the residual
noise in the image
1.22

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]
1 633 ± 101 192 ± 29 56 ± 8 0 0 7.563 ± 2.022 2.41 4.08
2 130 ± 40 61 ± 17 45 ± 12 260 ± 6 13.8 ± 1.4 2.372 ± 1.173 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