J2218+1520

General information

Source (J2000)IAU Source name (J2000)
J2218+1520
Source (B1950)IAU Source name (B1950)
2215+150
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 22 18 10.913904, δ = +15 20 35.717460
RedshiftRedshift
z = 2.335
Source typeOptical class
Quasar
Optical V magnitudeOptical V magnitude
N/A

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]
0.35
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.453 ± 0.056
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
62
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.293 ± 0.012
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3064
Ba [μas]Major axis of the restoring beam [μas]
344
Bb [μas]Minor axis of the restoring beam [μas]
39
BPA [degrees]Position angle of the major axis [degrees]
-11.2
St [mJy]Total clean flux density [mJy]
283
Sp [mJy/beam]Peak flux density [mJy/beam]
222
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
7
ξrQuality factor of the residual
noise in the image
0.93

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]
1 243 ± 60 214 ± 40 <22 0 0 >26.940 7.63 30.80
2 22 ± 20 35 ± 17 <70 62 ± 17 -109.2 ± 15.4 >0.245 N/A N/A

Downloads

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