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HD 314027


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Публикации по объекту

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 results of a program of UBVR observations of Is variable stars - Cases of various known types of variability
A program of UBVR photometry of some Is variable stars is discussed andresults are presented for objects which belong to known types ofvariability. It is found that SY Cep, TY CrA, IP Per, and RZ Psc areeclipsing or probable eclipsing systems and that Sy Sgr and Bo Cep areeclipsing binaries. From the obtained data it is shown that V379 Cas, CFPer, RS Sge, and EH Cep are pulsating variable stars. The existing dataare not sufficient for classifying BH Cep, V425 Cyg, LkH-alpha 374, AS442, LkH-alpha 127, and BH Lac.

Novae and Phenomenon of R-Coronae
Not Available

Some T Tauri stars and related objects. UBVR photoelectric observations results.
Not Available

On Light Variability of Sy-Sagittarius
Not Available

Variable Star Minima for 17 Variable Stars
Not Available

Stellar kinematics and evolution
Not Available

Emission-Line Stars in the Vicinity of Messier 8, Messier 20, and Simeis 188.
Abstract image available at:http://adsabs.harvard.edu/abs/1957ApJ...125..654H

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Наблюдательные данные и астрометрия

Созвездие:Стрелец
Прямое восхождение:18h10m54.33s
Склонение:-23°41'34.5"
Видимая звёздная величина:10.024
Собственное движение RA:-0.4
Собственное движение Dec:-3.3
B-T magnitude:11.19
V-T magnitude:10.121

Каталоги и обозначения:
Собственные имена   (Edit)
HD 1989HD 314027
TYCHO-2 2000TYC 6843-1165-1
USNO-A2.0USNO-A2 0600-30950483
HIPHIP 89084

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