J2015+3710

General information

Source (J2000)IAU Source name (J2000)
J2015+3710
Source (B1950)IAU Source name (B1950)
2013+370
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 20 15 28.729778, δ = +37 10 59.514950
RedshiftRedshift
z = 0.859
Source typeOptical class
BL Lac object
Optical V magnitudeOptical V magnitude
mV = 21.8

Images and parameters

Observation epoch2011-05-01
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]
2.86
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.7 ± 0.044
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
36
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.224 ± 0.027
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3065
Ba [μas]Major axis of the restoring beam [μas]
141
Bb [μas]Minor axis of the restoring beam [μas]
36
BPA [degrees]Position angle of the major axis [degrees]
-8
St [mJy]Total clean flux density [mJy]
1946
Sp [mJy/beam]Peak flux density [mJy/beam]
792
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
25
ξrQuality factor of the residual
noise in the image
1.04

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]
1 812 ± 203 789 ± 142 <14 0 0 >126.682 7.26 9.47
2 1095 ± 420 195 ± 74 202 ± 76 102 ± 38 -117.3 ± 20.4 0.826 ± 0.544 N/A N/A
3 295 ± 154 128 ± 61 184 ± 88 349 ± 44 -129.6 ± 7.2 0.267 ± 0.229 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]
3.27
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
1.188 ± 0.059
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
40
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
1.131 ± 0.025
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3028
Ba [μas]Major axis of the restoring beam [μas]
162
Bb [μas]Minor axis of the restoring beam [μas]
38
BPA [degrees]Position angle of the major axis [degrees]
-11.8
St [mJy]Total clean flux density [mJy]
3115
Sp [mJy/beam]Peak flux density [mJy/beam]
2096
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
33
ξrQuality factor of the residual
noise in the image
1.33

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 2622 ± 430 1890 ± 252 34 ± 4 0 0 70.539 ± 17.620 33.40 347.00
2 390 ± 167 378 ± 116 <25 172 ± 4 -119.6 ± 1.3 >18.795 N/A N/A

Downloads

Epoch Image UV plot RAD plot FITS file of Image
2011-05-01 eps, jpg eps, jpg eps, jpg fits
2011-10-01 eps, jpg eps, jpg eps, jpg fits