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HD 4883


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An analysis of the radial-velocity performance of the image-tube spectrograph on the CTIO 1-meter telescope
An analysis of the radial-velocity performance of the 120 A/mmconfiguration of the image-tube spectrograph on the CTIO/Yale 1-metertelescope is presented. The instrument is found to be stable within agiven run but to be susceptible to small changes from run to run. Theremay be systematic changes in velocity residual with declination; noneare found with zenith angle or hour angle. A typical precision of plusor minus 10 km/sec for a single spectrum of a Population I star isachieved for the spectrograph configuration. Rest wavelengths derivedfor F0-K4 Population I stars observed with this spectrograph/image-tubeconfiguration are presented. A table of radial velocities and residualsfor IAU radial-velocity standard stars, as well as some other brightstars, is also presented.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Zincirli Prenses
Sað Açýklýk:00h51m18.21s
Yükselim:+35°50'51.6"
Görünürdeki Parlaklýk:9.337
özdevim Sað Açýklýk:18.1
özdevim Yükselim:24.6
B-T magnitude:9.73
V-T magnitude:9.37

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 4883
TYCHO-2 2000TYC 2288-30-1
USNO-A2.0USNO-A2 1200-00364152
HIPHIP 3991

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