J0253+3217

General information

Source (J2000)IAU Source name (J2000)
J0253+3217
Source (B1950)IAU Source name (B1950)
0250+320
J2000 coordinatesRight ascension α and declination δ in J2000 epoch
α = 02 53 33.650138, δ = +32 17 20.891680
RedshiftRedshift
z = 0.859
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]
0.37
SS [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.579 ± 0.032
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
43
SL [Jy]Correlated flux density [Jy] measured on projected baseline length listed in the next column
0.276 ± 0.014
BS [Mλ]Projected baseline length [Mλ] for the measured flux density listed in the previous column
3070
Ba [μas]Major axis of the restoring beam [μas]
190
Bb [μas]Minor axis of the restoring beam [μas]
39
BPA [degrees]Position angle of the major axis [degrees]
-9
St [mJy]Total clean flux density [mJy]
259
Sp [mJy/beam]Peak flux density [mJy/beam]
205
σ [mJy/beam]Off-source r.m.s. noise in the residual image [mJy/beam]
5
ξrQuality factor of the residual
noise in the image
1.01

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]
1 216 ± 47 210 ± 33 <15 0 0 >30.285 6.10 15.70

Downloads

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