J1800+3848

General information

Source (J2000)IAU Source name (J2000)
J1800+3848
Source (B1950)IAU Source name (B1950)
1758+388
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 18 00 24.765361, δ = +38 48 30.697420
RedshiftRedshift
z = 2.092
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 18

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]
0.3
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.344 ± 0.028
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
0.178 ± 0.011
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
2444
Ba [μas]Major axis of the restoring beam [μas]
221
Bb [μas]Minor axis of the restoring beam [μas]
36
BPA [degrees]Position angle of the major axis [degrees]
-18.2
St [mJy]Total clean flux density [mJy]
228
Sp [mJy/beam]Peak flux density [mJy/beam]
200
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
6
ξrQuality factor of the residual
noise in the image
0.88

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]
1 202 ± 52 197 ± 36 <18 0 0 >32.519 3.43 11.80

Downloads

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