Object: NGC6286 On scan num: 115 117 121 123 125 Off scan num: 116 118 122 124 126 R.A.: 16.975393 hrs Dec.: 58.937038 deg On azimuth: 318.965547 deg On zenith dist.: 46.556665 deg Off azimuth: 318.961988 deg Off zenith dist.: 46.526528 deg MJD: 52422 UTC: 0.432523 Center freq.: 1394.800318 MHz Doppler: -0.00000830 Num. correlators: 2 Spectrom. atten.: 36 40 dB Bandwidth: 10.0 MHz Num. channels: 1024 Eff. integration: 1440 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 2 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: 0.010 Jy Lower 20% velocity: 5119.4 km/s Upper 20% velocity: 5853.5 km/s Systemic velocity: 5486.4 km/s Line width (20%): 734.1 km/s Profile integral: 4.08 Jy * km/s A: 4.29 B: 4.74 Ratio B/A: 1.105 Flux integral velocity range: 5089.1 - 5920.6 km/s
blended wih HI in the 'off' position, flux density integral corrupted, wing on high velocity side questionable