J1608+4012

General information

Source (J2000)IAU Source name (J2000)
J1608+4012
Source (B1950)IAU Source name (B1950)
1606+403
Common nameCommon name
5C 13.225
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 16 08 22.157698, δ = +40 12 17.832880
RedshiftRedshift
z = 0.6275
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 20.8

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]
0.46
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.786 ± 0.026
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
54
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.232 ± 0.009
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3070
Ba [μas]Major axis of the restoring beam [μas]
190
Bb [μas]Minor axis of the restoring beam [μas]
35
BPA [degrees]Position angle of the major axis [degrees]
-17.7
St [mJy]Total clean flux density [mJy]
303
Sp [mJy/beam]Peak flux density [mJy/beam]
304
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
11
ξrQuality factor of the residual
noise in the image
1.4

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]
1 308 ± 83 305 ± 59 <17 0 0 >27.882 4.04 7.66

Downloads

Epoch Image UV plot RAD plot FITS file of Image
2011-05-01 eps, jpg eps, jpg eps, jpg fits