J1549+5038

General information

Source (J2000)IAU Source name (J2000)
J1549+5038
Source (B1950)IAU Source name (B1950)
1547+507
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 15 49 17.468558, δ = +50 38 05.788200
RedshiftRedshift
z = 2.1741
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 18.9

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]
0.31
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.268 ± 0.019
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
46
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.191 ± 0.01
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
2440
Ba [μas]Major axis of the restoring beam [μas]
263
Bb [μas]Minor axis of the restoring beam [μas]
35
BPA [degrees]Position angle of the major axis [degrees]
4.3
St [mJy]Total clean flux density [mJy]
320
Sp [mJy/beam]Peak flux density [mJy/beam]
253
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
1.03

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]
1 311 ± 56 221 ± 32 30 ± 4 0 0 18.257 ± 4.997 4.35 11.50
2 32 ± 18 39 ± 14 <40 377 ± 7 -159.8 ± 1.1 >1.055 N/A N/A

Downloads

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