J1849+6705

General information

Source (J2000)IAU Source name (J2000)
J1849+6705
Source (B1950)IAU Source name (B1950)
1849+670
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 18 49 16.072283, δ = +67 05 41.680220
RedshiftRedshift
z = 0.657
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 18.6

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]
2.7
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
2.654 ± 0.033
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
59
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.178 ± 0.012
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3068
Ba [μas]Major axis of the restoring beam [μas]
83
Bb [μas]Minor axis of the restoring beam [μas]
36
BPA [degrees]Position angle of the major axis [degrees]
-59.1
St [mJy]Total clean flux density [mJy]
1200
Sp [mJy/beam]Peak flux density [mJy/beam]
540
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
22
ξrQuality factor of the residual
noise in the image
1.25

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]
1 686 ± 185 472 ± 105 30 ± 7 0 0 21.367 ± 8.852 3.02 4.98
2 312 ± 135 179 ± 67 35 ± 13 85 ± 7 -142.0 ± 4.4 6.905 ± 4.712 N/A N/A
3 213 ± 105 168 ± 65 25 ± 10 165 ± 5 -139.9 ± 1.7 9.577 ± 7.066 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