J1146+3958

General information

Source (J2000)IAU Source name (J2000)
J1146+3958
Source (B1950)IAU Source name (B1950)
1144+402
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 11 46 58.297920, δ = +39 58 34.304340
RedshiftRedshift
z = 1.088
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 18

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]
1.6
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
1.97 ± 0.033
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
0.857 ± 0.007
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
2420
Ba [μas]Major axis of the restoring beam [μas]
229
Bb [μas]Minor axis of the restoring beam [μas]
37
BPA [degrees]Position angle of the major axis [degrees]
6.8
St [mJy]Total clean flux density [mJy]
1479
Sp [mJy/beam]Peak flux density [mJy/beam]
697
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
19
ξrQuality factor of the residual
noise in the image
1.15

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 1286 ± 244 677 ± 114 46 ± 8 0 0 20.540 ± 6.245 8.07 61.30
2 202 ± 91 196 ± 63 <31 273 ± 5 -80.3 ± 1.0 >7.391 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