Object: 0513+5811 On scan num: 199 201 203 Off scan num: 200 202 204 R.A.: 5.296036 hrs Dec.: 58.237560 deg On azimuth: 320.349317 deg On zenith dist.: 55.047463 deg Off azimuth: 320.337182 deg Off zenith dist.: 55.018461 deg MJD: 52511 UTC: 0.746968 Center freq.: 1395.867368 MHz Doppler: 0.00007488 Num. correlators: 2 Spectrom. atten.: 37 42 dB Bandwidth: 10.0 MHz Num. channels: 1024 Eff. integration: 780 seconds
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
This spectrum is the same as Figure 1 but with 4 60-second sub-integrations manually deleted because of interference or a bad baseline.
This is the section of spectrum measured to obtain the parameters listed below. The three horizontal dotted lines are the baseline, the peak level selected, and 20% of the peak level. The two vertical dotted lines mark the selected 20% line width edges. The solid horizontal line marks the velocity range chosen for the the line profile flux density integral. This spectrum has a second-order least squares fit baseline removed using most of the baseline shown in Figure 2.
Peak intensity: 0.039 Jy Lower 20% velocity: 5109.8 km/s Upper 20% velocity: 5503.9 km/s Systemic velocity: 5306.8 km/s Line width (20%): 394.2 km/s Profile integral: 13.57 Jy * km/s A: 13.50 B: 13.44 Ratio B/A: 0.995 Flux integral velocity range: 5047.4 - 5555.3 km/s