J1357+7643

General information

Source (J2000)IAU Source name (J2000)
J1357+7643
Source (B1950)IAU Source name (B1950)
1357+769
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 13 57 55.371536, δ = +76 43 21.050980
RedshiftRedshift
z = 1.585
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 19

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]
0.31
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.371 ± 0.024
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
49
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.147 ± 0.008
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
2994
Ba [μas]Major axis of the restoring beam [μas]
107
Bb [μas]Minor axis of the restoring beam [μas]
34
BPA [degrees]Position angle of the major axis [degrees]
-0.6
St [mJy]Total clean flux density [mJy]
177
Sp [mJy/beam]Peak flux density [mJy/beam]
175
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
1.35

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]
1 211 ± 41 174 ± 26 21 ± 3 0 0 19.653 ± 5.601 2.30 3.79

Downloads

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