UGC_326 Scan 417


Observing log information

  Object:           UGC_326
  On scan num:      417
  Off scan num:     418
  R.A.:             0.553229 hrs
  Dec.:             48.507846 deg
  On azimuth:       307.673114 deg
  On zenith dist.:  20.243370 deg
  Off azimuth:      307.707067 deg
  Off zenith dist.: 20.212053 deg
  MJD:              52485
  UTC:              0.455845
  Center freq.:     1419.563276 MHz
  Doppler:          0.00007357
  Num. correlators: 2
  Spectrom. atten.: 35 42 dB
  Bandwidth:         5.0 MHz
  Num. channels:    1024
  Eff. integration: 300 seconds

Raw spectrum

This spectrum is the integration of all data for the scan with spectra from both polarizations added together. The spectral intensities are Ssys * (on - off) / off, where Ssys is the system temperature in Jy. The system noise flux density equivalent is calibrated for each scan with a calibration noise source firing during each scan. The cal value, in Jy, is calibrated by comparison with a number of continuum sources as described in the summary web page

Figure 1. Unedited spectrum