J1939+3817

General information

Source (J2000)IAU Source name (J2000)
J1939+3817
Source (B1950)IAU Source name (B1950)
1937+381
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 19 39 33.566865, δ = +38 17 35.388330
RedshiftRedshift
N/A
Source typeOptical class
Unidentified source
Optical V magnitudeOptical V magnitude
mV = 17.5

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]
0.06
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.267 ± 0.019
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
45
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.06 ± 0.005
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
2475
Ba [μas]Major axis of the restoring beam [μas]
146
Bb [μas]Minor axis of the restoring beam [μas]
37
BPA [degrees]Position angle of the major axis [degrees]
-12.1
St [mJy]Total clean flux density [mJy]
65
Sp [mJy/beam]Peak flux density [mJy/beam]
64
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
1.27

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 73 ± 21 64 ± 14 24 ± 5 0 0 2.180 ± 0.915 0.86 1.10

Downloads

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