J0753+5352

General information

Source (J2000)IAU Source name (J2000)
J0753+5352
Source (B1950)IAU Source name (B1950)
0749+540
Common nameCommon name
4C 54.15
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 07 53 01.384569, δ = +53 52 59.637090
RedshiftRedshift
z = 0.2
Source typeOptical class
BL Lac object
Optical V magnitudeOptical V magnitude
mV = 18.5

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]
0.49
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.69 ± 0.055
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
25
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.526 ± 0.059
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
2760
Ba [μas]Major axis of the restoring beam [μas]
106
Bb [μas]Minor axis of the restoring beam [μas]
40
BPA [degrees]Position angle of the major axis [degrees]
10
St [mJy]Total clean flux density [mJy]
483
Sp [mJy/beam]Peak flux density [mJy/beam]
328
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
8
ξrQuality factor of the residual
noise in the image
1.16

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]
1 339 ± 75 335 ± 53 <11 0 0 >52.682 9.99 20.60
2 72 ± 40 42 ± 20 58 ± 28 158 ± 14 -21.0 ± 5.1 0.420 ± 0.370 N/A N/A
3 88 ± 52 34 ± 18 88 ± 48 587 ± 24 -37.5 ± 2.4 0.225 ± 0.219 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