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HD 21094


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A catalogue of eclipsing variables
A new catalogue of 6330 eclipsing variable stars is presented. Thecatalogue was developed from the General Catalogue of Variable Stars(GCVS) and its textual remarks by including recently publishedinformation about classification of 843 systems and making correspondingcorrections of GCVS data. The catalogue1 represents thelargest list of eclipsing binaries classified from observations.

Stars with the Largest Hipparcos Photometric Amplitudes
A list of the 2027 stars that have the largest photometric amplitudes inHipparcos Photometry shows that most variable stars are all Miras. Thepercentage of variable types change as a function of amplitude. Thiscompilation should also be of value to photometrists looking forrelatively unstudied, but large amplitude stars.

The 74th Special Name-list of Variable Stars
We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.

UVBY and H beta photometry of early-type stars in a region at high galactic latitude.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973AJ.....78...47D&db_key=AST

UBV photometry of early-type stars in two regions at high galactic latitudes
Not Available

A Finding List of Stars of Spectral Type A7 and Earlier in Regions at High Galactic Latitudes. III. 4 HLF 4
An objective prism survey has been made of stars of spectral type A7 andearlier in a 45 square degree region in the 4 HLF 4 area (l^II =180°, b^II = -45°) as part of an investigation of galacticstructure perpendicular to the galactic plane. The survey reported herewas made with the 4° prism on the Michigan Curtis Schmidt telescopeat Cerro Tololo. A finding list containing positions and spectral typesfor 88 stars is presented with finding charts for the stars too faint tobe included in the Bonner Durchmusterung.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Boga
Sað Açýklýk:03h24m15.49s
Yükselim:+01°21'24.0"
Görünürdeki Parlaklýk:8.48
Uzaklýk:173.611 parsek
özdevim Sað Açýklýk:-3.7
özdevim Yükselim:-27.7
B-T magnitude:8.831
V-T magnitude:8.509

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 21094
TYCHO-2 2000TYC 57-597-1
USNO-A2.0USNO-A2 0900-00784618
HIPHIP 15858
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