J0642+8811

General information

Source (J2000)IAU Source name (J2000)
J0642+8811
Source (B1950)IAU Source name (B1950)
0604+882
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 00 64 26.136317, δ = +88 11 55.017340
RedshiftRedshift
N/A
Source typeOptical class
BL Lac object
Optical V magnitudeOptical V magnitude
mV = 19.5

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]
0.15
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.251 ± 0.014
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
56
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.096 ± 0.008
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3091
Ba [μas]Major axis of the restoring beam [μas]
85
Bb [μas]Minor axis of the restoring beam [μas]
37
BPA [degrees]Position angle of the major axis [degrees]
26.5
St [mJy]Total clean flux density [mJy]
121
Sp [mJy/beam]Peak flux density [mJy/beam]
74
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
1.02

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 79 ± 22 74 ± 15 14 ± 3 0 0 6.197 ± 2.495 1.92 2.56
2 17 ± 11 17 ± 8 57 ± 25 58 ± 13 -51.1 ± 12.3 0.086 ± 0.077 N/A N/A
3 25 ± 15 13 ± 7 57 ± 30 675 ± 15 -51.1 ± 1.3 0.124 ± 0.119 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