Source (J2000)IAU Source name (J2000) | J2017+7440 |
Source (B1950)IAU Source name (B1950) | 2017+745 |
Common nameCommon name | 4C 74.25 |
J2000 coordinatesRight ascension α and declination δ in J2000 epoch | α = 20 17 13.079301, δ = +74 40 47.999890 |
RedshiftRedshift | z = 2.187 |
Source typeOptical class | Quasar |
Optical V magnitudeOptical V magnitude | mV = 18.3 |
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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 | 115 ± 29 | 104 ± 20 | 16 ± 3 | 0 | 0 | 23.727 ± 8.704 | 4.10 | 10.80 |
Epoch | Image | UV plot | RAD plot | FITS file of Image |
2010-10-01 | eps, jpg | eps, jpg | eps, jpg | fits |