J1930+1532

General information

Source (J2000)IAU Source name (J2000)
J1930+1532
Source (B1950)IAU Source name (B1950)
1928+154
Common nameCommon name
4C 15.66
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 19 30 52.766983, δ = +15 32 34.427040
RedshiftRedshift
N/A
Source typeOptical class
Unidentified source
Optical V magnitudeOptical V magnitude
N/A

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]
0.4
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.433 ± 0.029
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
66
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.143 ± 0.009
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
2454
Ba [μas]Major axis of the restoring beam [μas]
390
Bb [μas]Minor axis of the restoring beam [μas]
39
BPA [degrees]Position angle of the major axis [degrees]
-8.7
St [mJy]Total clean flux density [mJy]
372
Sp [mJy/beam]Peak flux density [mJy/beam]
183
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
5
ξrQuality factor of the residual
noise in the image
1.02

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]
1 240 ± 50 174 ± 29 33 ± 6 0 0 3.666 ± 1.159 2.69 6.51
2 65 ± 26 56 ± 17 <37 252 ± 6 -98.6 ± 1.3 >0.785 N/A N/A

Downloads

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