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TYC 3592-1620-1


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Two-colour photometry for 9473 components of close Hipparcos double and multiple stars
Using observations obtained with the Tycho instrument of the ESAHipparcos satellite, a two-colour photometry is produced for componentsof more than 7 000 Hipparcos double and multiple stars with angularseparations 0.1 to 2.5 arcsec. We publish 9473 components of 5173systems with separations above 0.3 arcsec. The majority of them did nothave Tycho photometry in the Hipparcos catalogue. The magnitudes arederived in the Tycho B_T and V_T passbands, similar to the Johnsonpassbands. Photometrically resolved components of the binaries withstatistically significant trigonometric parallaxes can be put on an HRdiagram, the majority of them for the first time. Based on observationsmade with the ESA Hipparcos satellite.

Some New Possible Variable Stars II.
Not Available

Light curve of Nova V1500 CYG 1975.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976ApJ...209..882Y&db_key=AST

Micrometer Measures of Double Stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1959ApJS....4...45V&db_key=AST

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Osservazione e dati astrometrici

Costellazione:Cigno
Ascensione retta:21h09m59.14s
Declinazione:+47°44'43.9"
Magnitudine apparente:9.104
Moto proprio RA:-9.2
Moto proprio Dec:-4
B-T magnitude:9.251
V-T magnitude:9.117

Cataloghi e designazioni:
Nomi esatti   (Edit)
TYCHO-2 2000TYC 3592-1620-1
USNO-A2.0USNO-A2 1350-13567271
HIPHIP 104485

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