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TYC 1589-2553-1


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Radial Velocities of Population II Binary Stars. Ii.
Here we publish the second list of radial velocities for 91 Hipparcosstars, mostly high transverse velocity binaries without previous radialvelocity measurements. The measurements of radial velocities are donewith a CORAVEL-type radial velocity spectrometer with an accuracy betterthan 1 km/s. We also present the information on eight new radialvelocity variables -- HD 29696, HD 117466 AB, BD +28 4035 AB, BD +302129 A, BD +39 1828 AB, BD +69 230 A, BD +82 565 A and TYC 2267-1300-1-- found from our measurements. Two stars (HD 27961 AB and HD 75632 AB)are suspected as possible radial velocity variables.

CCD astrometry and instrumental Delta V photometry of visual double stars. V. Differential measurements of pairs with angular separations 1arcsec to 4arcsec
We present angular separations, position angles and Delta V instrumentalmagnitude differences of 83 visual double stars with angular separationsaround two arcseconds. Our observations were made by means of a CCDdetector attached to the Kryonerion 1.2 m telescope. 12 of them arecommon proper motion stars and their components should therefore bestars of common origin. Based on observations made at KryonerionObservatory, Greece. Table 2 only available at the CDS via anonymous ftpto cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html}

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Datos observacionales y astrométricos

Constelación:Águila
Ascensión Recta:19h03m41.82s
Declinación:+16°57'47.9"
Magnitud Aparente:9.695
Movimiento Propio en Ascensión Recta:6.6
Movimiento Propio en Declinación:-9.6
B-T magnitude:10.619
V-T magnitude:9.772

Catálogos y designaciones:
Nombres Propios
TYCHO-2 2000TYC 1589-2553-1
USNO-A2.0USNO-A2 1050-12763105
HIPHIP 93600

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