LVM215. Scan 1028


Observing log information

  Object:           LVM215.
  On scan num:      1028 1030
  Off scan num:     1029 1031
  R.A.:             7.943973 hrs
  Dec.:             63.600240 deg
  On azimuth:       334.936001 deg
  On zenith dist.:  30.372174 deg
  Off azimuth:      334.964877 deg
  Off zenith dist.: 30.355440 deg
  MJD:              52284
  UTC:              0.326597
  Center freq.:     1388.176780 MHz
  Doppler:          -0.00000399
  Num. correlators: 2
  Spectrom. atten.: 33 38 dB
  Bandwidth:        10.0 MHz
  Num. channels:    1024
  Eff. integration: 420 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

Edited spectrum

This spectrum is the same as Figure 1 but with 5 60-second sub-integrations manually deleted because of interference or a bad baseline.

Figure 2. Edited spectrum