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HD 228063


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High-speed photometry of the Wolf-Rayet star HD 191765 (WN6).
Not Available

Anomalous Proper-Motions in the Cygnus Super Bubble Region
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1993A&AS..101...37C&db_key=AST

Flares in emission line of Wolf-Rayet star HD 191765.
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Photometry of stars in the uvgr system
Photoelectric photometry is presented for over 400 stars using the uvgrsystem of Thuan and Gunn. Stars were selected to cover a wide range ofspectral type, luminosity class, and metallicity. A mean main sequenceis derived along with reddening curves and approximate transformationsto the UBVR system. The calibration of the standard-star sequence issignificantly improved.

Distribution of OB stars and absorbing matter in the region around P CYG
The results of spectrophotometric observations of 277 OB stars in a 7 x7-deg region around P Cyg, obtained in 8-sec, 45-sec, and 8-minexposures on ORWO ZU-21 plates with a 4-deg 272-A/mm-dispersionobjective prism on the 40-in. Schmidt telescope at BiurakanAstrophysical Observatory on October 14-19, 1979, are presented intables and graphs and characterized. Data reported include 400-480-nmabsolute spectrophotometric gradients, color excesses, and distances. Itis found that concentrations of OB stars with associated absorbingmatter exist toward the associations Cyg OB9 (two concentrations at 800and 1800 pc), Cyg OB3 (three concentrations at 1.4, 2.5, and 3.7 kpc),OB1 (at 1.6 kpc), Cyg OB8 (at 1.5 kpc), and over the entire observedregion at a distance of about 500 pc.

A photometric standard region in Cygnus
Not Available

Structure de la galaxie dans la région de P Cygni
Not Available

Stellar Spectra and Colors in an Irregular Region in Cygnus.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1953ApJ...118...77A&db_key=AST

On the relation between distance and intensity for interstellar calcium and sodium lines
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1953MNRAS.113..530B&db_key=AST

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Dades d'Observació i Astrometria

Constel·lació:Cygnus
Ascensió Recta:20h10m11.66s
Declinació:+36°11'28.8"
Magnitud Aparent:8.591
Distancia:558.659 parsecs
Moviment propi RA:1.3
Moviment propi Dec:-1
B-T magnitude:8.584
V-T magnitude:8.591

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 228063
TYCHO-2 2000TYC 2683-2150-1
USNO-A2.0USNO-A2 1200-14604629
HIPHIP 99372

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