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HD 157354


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관련 글

Study of Neglected Variable Stars Classified as Type II Cepheids
Four variable stars classified as Type II Cepheids have been studiedpartly based on new photometry and the Hipparcos photometric data. Thecorrect period is derived for V341 Ara and NW Pav and it is pointed outthat RR Mic and V1711 Sgr do not belong to Type II Cepheids, insteadthey may be semi-regular variables. The cycle length of theirvariability is also determined.

UBV (RI)c standard stars in the E- and F-regions and in the Magellanic Clouds - a revised catalogue.
Not Available

UBV photometry of E region standard stars of intermediate brightness
Photometry data are given for 335 stars in the nine E regions.Observations were made using a photometer and filters on the 47 cmreflector at Cape Town. The stellar dispersions are summarized. Data arepresented in tabular form.

Some Variable Stars in the SRS Catalogue
Not Available

Photometric standard stars for the UBV and (RI)KC systems.
Not Available

Fainter Standards for VRI Photometry in the E Regions
Not Available

Standard magnitudes in the E regions.
Not Available

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관련 링크

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다음 그룹에 속해있음:


관측 및 측정 데이터

별자리:제단자리
적경:17h24m59.30s
적위:-45°53'37.8"
가시등급:8.054
거리:10000000 파섹
적경상의 고유운동:6
적위상의 고유운동:-1.5
B-T magnitude:10.149
V-T magnitude:8.227

천체목록:
일반명   (Edit)
HD 1989HD 157354
TYCHO-2 2000TYC 8341-721-1
USNO-A2.0USNO-A2 0375-31614810
HIPHIP 85234

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