J1200+5300

General information

Source (J2000)IAU Source name (J2000)
J1200+5300
Source (B1950)IAU Source name (B1950)
1157+532
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 12 00 11.384309, δ = +53 00 46.877080
RedshiftRedshift
z = 1.997
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 19.7

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]
0.08
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.121 ± 0.011
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
0.365 ± 0.025
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3080
Ba [μas]Major axis of the restoring beam [μas]
125
Bb [μas]Minor axis of the restoring beam [μas]
36
BPA [degrees]Position angle of the major axis [degrees]
-16.5
St [mJy]Total clean flux density [mJy]
106
Sp [mJy/beam]Peak flux density [mJy/beam]
85
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
3
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]
1 102 ± 25 78 ± 15 32 ± 6 0 0 5.006 ± 1.833 3.55 4.74

Downloads

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