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HD 157354


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Ýlgili Makaleler

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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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Sunak
Sað Açýklýk:17h24m59.30s
Yükselim:-45°53'37.8"
Görünürdeki Parlaklýk:8.054
Uzaklýk:10000000 parsek
özdevim Sað Açýklýk:6
özdevim Yükselim:-1.5
B-T magnitude:10.149
V-T magnitude:8.227

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 157354
TYCHO-2 2000TYC 8341-721-1
USNO-A2.0USNO-A2 0375-31614810
HIPHIP 85234
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