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HD 1680


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Observations of active chromosphere stars
It is pointed out that spectroscopic signatures of stellar chromosphericactivity are readily observable. The present study is concerned with newphotometric and spectroscopic observations of active-chromosphere RSCVn, BY Dra, and FK Com stars. Attention is given to the first resultsof a synoptic monitoring program of many active chromosphere stars.During the time from 1980 to 1982, photometric and spectroscopicobservations of 10 known or suspected active-chromosphere objects weremade. The results regarding the individual stars are discussed. Sevenstars observed with the International Ultraviolet Explorer (IUE) are allspectroscopic binaries.

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Observation and Astrometry data

Constellation:Cetus
Right ascension:00h21m02.93s
Declination:-09°06'43.2"
Apparent magnitude:8.567
Distance:1492.537 parsecs
Proper motion RA:55.7
Proper motion Dec:-46.9
B-T magnitude:9.665
V-T magnitude:8.658

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 1680
TYCHO-2 2000TYC 5262-510-1
USNO-A2.0USNO-A2 0750-00081557
HIPHIP 1682

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