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HD 297725


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Ýlgili Makaleler

The Henry Draper Extension Charts: A catalogue of accurate positions, proper motions, magnitudes and spectral types of 86933 stars
The Henry Draper Extension Charts (HDEC), published in the form offinding charts, provide spectral classification for some 87000 starsmostly between 10th and 11th magnitude. This data, being highlyvaluable, as yet was practically unusable for modern computer-basedastronomy. An earlier pilot project (Roeser et al. 1991) demonstrated apossibility to convert this into a star catalogue, using measurements ofcartesian coordinates of stars on the charts and positions of theAstrographic Catalogue (AC) for subsequent identification. We presenthere a final HDEC catalogue comprising accurate positions, propermotions, magnitudes and spectral classes for 86933 stars of the HenryDraper Extension Charts.

The general catalogue of trigonometric [stellar] paralaxes
Not Available

Erratum - Errors or Omissions in Star-Identifications in the General Catalogue of Trigonometric Stellar Parallaxes
Not Available

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Yelken
Sað Açýklýk:10h03m12.38s
Yükselim:-48°38'36.2"
Görünürdeki Parlaklýk:10.423
Uzaklýk:44.033 parsek
özdevim Sað Açýklýk:113.9
özdevim Yükselim:3.6
B-T magnitude:11.783
V-T magnitude:10.536

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 297725
TYCHO-2 2000TYC 8186-2068-1
USNO-A2.0USNO-A2 0375-09937911
HIPHIP 49248
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