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HD 171835


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Ýlgili Makaleler

Absolute proper motions of open clusters. I. Observational data
Mean proper motions and parallaxes of 205 open clusters were determinedfrom their member stars found in the Hipparcos Catalogue. 360 clusterswere searched for possible members, excluding nearby clusters withdistances D < 200 pc. Members were selected using ground basedinformation (photometry, radial velocity, proper motion, distance fromthe cluster centre) and information provided by Hipparcos (propermotion, parallax). Altogether 630 certain and 100 possible members werefound. A comparison of the Hipparcos parallaxes with photometricdistances of open clusters shows good agreement. The Hipparcos dataconfirm or reject the membership of several Cepheids in the studiedclusters. Tables 1 and 2 are only available in electronic form at theCDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html

Untersuchung der offenen Sternhaufen IC 4665, NGC 6633, IC 4756
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Yilan
Sað Açýklýk:18h36m41.31s
Yükselim:+06°02'32.7"
Görünürdeki Parlaklýk:7.839
Uzaklýk:254.453 parsek
özdevim Sað Açýklýk:2.4
özdevim Yükselim:-0.3
B-T magnitude:8.219
V-T magnitude:7.871

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 171835
TYCHO-2 2000TYC 458-1457-1
USNO-A2.0USNO-A2 0900-13264042
HIPHIP 91244

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