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HD 160672


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Quantification of the order overlap problem for IUE high resolution spectra (SWP camera) - A correction algorithm
A quantification of the order overlap in IUE high resolution spectra isobtained, for the SWP camera, by comparison of line depths measured inIUE and Copernicus spectra. The amount of order overlap is found to beabout 32 percent of the net spectrum at 1150 A, decreasing to zero atabout 1400 A, for data extracted with the most recent productionsoftware (Bohlin and Turnrose, 1982). In the spectra extracted with theolder software, the order overlap is worse by about 10 percent. Acorrection technique is described, based on the results found in thiswork.

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Osservazione e dati astrometrici

Costellazione:Altare
Ascensione retta:17h43m52.92s
Declinazione:-49°55'34.9"
Magnitudine apparente:8.704
Distanza:253.165 parsec
Moto proprio RA:4.6
Moto proprio Dec:-7.8
B-T magnitude:10.828
V-T magnitude:8.88

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 160672
TYCHO-2 2000TYC 8351-2539-1
USNO-A2.0USNO-A2 0375-33094874
HIPHIP 86773

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