J0920+4441

General information

Source (J2000)IAU Source name (J2000)
J0920+4441
Source (B1950)IAU Source name (B1950)
0917+449
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 09 20 58.458486, δ = +44 41 53.984990
RedshiftRedshift
z = 2.189
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 18.1

Images and parameters

Observation epoch2010-10-01
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]
1.89
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
2.866 ± 0.037
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
53
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.392 ± 0.01
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3070
Ba [μas]Major axis of the restoring beam [μas]
140
Bb [μas]Minor axis of the restoring beam [μas]
38
BPA [degrees]Position angle of the major axis [degrees]
-22.8
St [mJy]Total clean flux density [mJy]
1018
Sp [mJy/beam]Peak flux density [mJy/beam]
390
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
11
ξrQuality factor of the residual
noise in the image
1.54

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]
1 485 ± 106 405 ± 68 24 ± 4 0 0 45.793 ± 14.769 6.54 25.10
2 206 ± 71 163 ± 44 28 ± 8 179 ± 4 -126.5 ± 1.2 13.987 ± 7.190 N/A N/A
3 116 ± 62 57 ± 28 58 ± 28 378 ± 14 -132.8 ± 2.1 1.818 ± 1.576 N/A N/A

Downloads

Epoch Image UV plot RAD plot FITS file of Image
2010-10-01 eps, jpg eps, jpg eps, jpg fits