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HD 23517


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Ýlgili Makaleler

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.

Bright Southern BV-Stars
Not Available

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Irmak
Sað Açýklýk:03h45m12.03s
Yükselim:-16°24'37.7"
Görünürdeki Parlaklýk:8.955
Uzaklýk:1136.364 parsek
özdevim Sað Açýklýk:36.3
özdevim Yükselim:10.9
B-T magnitude:9.422
V-T magnitude:8.994

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 23517
TYCHO-2 2000TYC 5881-580-1
USNO-A2.0USNO-A2 0675-01283156
HIPHIP 17530

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