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HD 1690


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Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I.
We have embarked on a project, under the aegis of the Nearby Stars(NStars)/Space Interferometry Mission Preparatory Science Program, toobtain spectra, spectral types, and, where feasible, basic physicalparameters for the 3600 dwarf and giant stars earlier than M0 within 40pc of the Sun. In this paper, we report on the results of this projectfor the first 664 stars in the northern hemisphere. These resultsinclude precise, homogeneous spectral types, basic physical parameters(including the effective temperature, surface gravity, and overallmetallicity [M/H]), and measures of the chromospheric activity of ourprogram stars. Observed and derived data presented in this paper arealso available on the project's Web site.

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Observation and Astrometry data

Constellation:くじら座
Right ascension:00h21m13.33s
Declination:-08°16'52.2"
Apparent magnitude:9.181
Distance:23.031 parsecs
Proper motion RA:12.9
Proper motion Dec:1.7
B-T magnitude:10.882
V-T magnitude:9.322

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 1690
TYCHO-2 2000TYC 5262-825-1
USNO-A2.0USNO-A2 0750-00082197
HIPHIP 1692

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