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HD 7581


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Ýlgili Makaleler

Secondary UVBY standards in the Harvard E-regions
Photoelectric uvby photometry for 201 stars which are already UBV (RI)cstandards is presented. The photoelectric data are closely tied to theCousins uvby standards and the stars should be suitable for use asfainter (7-11 mag) secondary standards.

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.

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:Anka
Sað Açýklýk:01h15m10.41s
Yükselim:-44°37'17.4"
Görünürdeki Parlaklýk:8.372
Uzaklýk:147.059 parsek
özdevim Sað Açýklýk:44.8
özdevim Yükselim:-26.6
B-T magnitude:8.963
V-T magnitude:8.421

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 7581
TYCHO-2 2000TYC 7540-885-1
USNO-A2.0USNO-A2 0450-00438045
HIPHIP 5861
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