J0748+2400

General information

Source (J2000)IAU Source name (J2000)
J0748+2400
Source (B1950)IAU Source name (B1950)
0745+241
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 07 48 36.109275, δ = +24 00 24.110020
RedshiftRedshift
z = 0.4092
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
mV = 19.7

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]
0.88
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.522 ± 0.029
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
0.253 ± 0.008
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3116
Ba [μas]Major axis of the restoring beam [μas]
185
Bb [μas]Minor axis of the restoring beam [μas]
38
BPA [degrees]Position angle of the major axis [degrees]
-7.6
St [mJy]Total clean flux density [mJy]
1002
Sp [mJy/beam]Peak flux density [mJy/beam]
421
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
1.05

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]
1 522 ± 112 376 ± 66 36 ± 6 0 0 9.578 ± 3.142 10.70 24.30
2 253 ± 98 94 ± 34 88 ± 32 181 ± 16 -68.5 ± 5.0 0.762 ± 0.491 N/A N/A
3 136 ± 71 58 ± 28 74 ± 36 486 ± 18 -72.0 ± 2.1 0.573 ± 0.490 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