J2202+4216

General information

Source (J2000)IAU Source name (J2000)
J2202+4216
Source (B1950)IAU Source name (B1950)
2200+420
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 22 02 43.291371, δ = +42 16 39.979920
RedshiftRedshift
z = 0.0686
Source typeOptical class
BL Lac object
Optical V magnitudeOptical V magnitude
mV = 14.5

Images and parameters

Observation epoch2010-10-01
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]
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
3.606 ± 0
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
67
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.837 ± 0
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
2854
Ba [μas]Major axis of the restoring beam [μas]
165
Bb [μas]Minor axis of the restoring beam [μas]
35
BPA [degrees]Position angle of the major axis [degrees]
-35.4
St [mJy]Total clean flux density [mJy]
5778
Sp [mJy/beam]Peak flux density [mJy/beam]
1260
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
45
ξrQuality factor of the residual
noise in the image
0.94

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 3151 ± 844 699 ± 183 89 ± 23 0 0 7.044 ± 3.216 N/A N/A
2 862 ± 287 785 ± 193 <19 390 ± 2 160.8 ± 0.4 >40.351 N/A N/A
3 792 ± 314 397 ± 141 41 ± 14 571 ± 7 168.4 ± 0.7 8.472 ± 5.419 N/A N/A
4 937 ± 343 456 ± 150 57 ± 19 577 ± 9 173.6 ± 0.9 5.102 ± 3.018 N/A N/A
5 512 ± 233 371 ± 137 28 ± 10 711 ± 5 159.4 ± 0.4 11.745 ± 8.121 N/A N/A
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]
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
3.255 ± 0.03
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
110
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
2.772 ± 0.046
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
715
Ba [μas]Major axis of the restoring beam [μas]
239
Bb [μas]Minor axis of the restoring beam [μas]
210
BPA [degrees]Position angle of the major axis [degrees]
-74.6
St [mJy]Total clean flux density [mJy]
4546
Sp [mJy/beam]Peak flux density [mJy/beam]
3701
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
64
ξrQuality factor of the residual
noise in the image
0.7

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 3364 ± 664 3280 ± 464 <110 0 0 >4.877 3.95 7.52

Downloads

Epoch Image UV plot RAD plot FITS file of Image
2010-10-01 eps, jpg eps, jpg eps, jpg fits
2011-10-01 eps, jpg eps, jpg eps, jpg fits