J1811+1704

General information

Source (J2000)IAU Source name (J2000)
J1811+1704
Source (B1950)IAU Source name (B1950)
1809+170
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 18 11 43.183465, δ = +17 04 57.257130
RedshiftRedshift
N/A
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 20.5

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]
0.42
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.343 ± 0.05
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
58
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.379 ± 0.025
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3030
Ba [μas]Major axis of the restoring beam [μas]
383
Bb [μas]Minor axis of the restoring beam [μas]
37
BPA [degrees]Position angle of the major axis [degrees]
-7.9
St [mJy]Total clean flux density [mJy]
379
Sp [mJy/beam]Peak flux density [mJy/beam]
268
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
7
ξrQuality factor of the residual
noise in the image
0.99

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]
1 361 ± 76 251 ± 44 34 ± 6 0 0 5.065 ± 1.638 10.30 36.10
2 33 ± 24 42 ± 19 <60 65 ± 14 71.9 ± 11.9 >0.148 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