J0808+4052

General information

Source (J2000)IAU Source name (J2000)
J0808+4052
Source (B1950)IAU Source name (B1950)
0805+410
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 08 08 56.652043, δ = +40 52 44.888800
RedshiftRedshift
z = 1.4193
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 19

Images and parameters

Observation epoch2011-10-01
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]
0.51
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.415 ± 0.031
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
34
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.199 ± 0.008
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3135
Ba [μas]Major axis of the restoring beam [μas]
123
Bb [μas]Minor axis of the restoring beam [μas]
36
BPA [degrees]Position angle of the major axis [degrees]
-3.2
St [mJy]Total clean flux density [mJy]
361
Sp [mJy/beam]Peak flux density [mJy/beam]
247
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
1.3

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]
1 311 ± 50 223 ± 29 32 ± 4 0 0 12.373 ± 3.022 7.30 21.00
2 55 ± 27 21 ± 10 79 ± 36 1038 ± 18 152.2 ± 1.0 0.349 ± 0.281 N/A N/A

Downloads

Epoch Image UV plot RAD plot FITS file of Image
2011-10-01 eps, jpg eps, jpg eps, jpg fits