I_883 Scan 375


Observing log information

  Object:           I_883
  On scan num:      375 377 379
  Off scan num:     376 378 380
  R.A.:             13.343135 hrs
  Dec.:             34.139441 deg
  On azimuth:       66.279548 deg
  On zenith dist.:  63.143686 deg
  Off azimuth:      66.258129 deg
  Off zenith dist.: 63.176638 deg
  MJD:              52579
  UTC:              0.438403
  Center freq.:     1388.542658 MHz
  Doppler:          0.00004764
  Num. correlators: 2
  Spectrom. atten.: 37 36 dB
  Bandwidth:        10.0 MHz
  Num. channels:    1024
  Eff. integration: 900 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