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HD 54547


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관련 글

Observations of Hipparcos short-period red giant stars
Optical UBV(RI)C and infrared JHK photometry is presented ofa small sample of giant stars with short periods in the Hipparcoscatalogue. Observations were limited, but were sufficient to rule outmost of the Hipparcos periods. Radial velocity measurement were alsomade for a few stars, over six successive nights. Low-level variabilitywas detected in a few stars. It is argued that in most cases thebrightness variations are primarily due to temperature changes. Thesefindings show that high-overtone pulsations in M giant stars occur, ifat all, in a far more limited number of stars than proposed in theauthors' previous discussion of the Hipparcos data alone.

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

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관측 및 측정 데이터

별자리:큰개자리
적경:07h08m27.67s
적위:-18°36'11.0"
가시등급:7.215
거리:303.951 파섹
적경상의 고유운동:-14.6
적위상의 고유운동:19.3
B-T magnitude:9.361
V-T magnitude:7.393

천체목록:
일반명   (Edit)
HD 1989HD 54547
TYCHO-2 2000TYC 5968-2883-1
USNO-A2.0USNO-A2 0675-04972279
HIPHIP 34448

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