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HD 190961


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VRc photometry of dwarf cepheids (1): Observation
In this paper, we present VRc photometric observations of four dwarfcepheids: YZ Boo (P= 0.104 d, delta V = 0.5 mag), AD CMi (P = 0.123 d,delta V = 0.5 mag), XX Cyg (P = 0.135 d, delta V = 0.5 mag), EH Lib (P =0.088 d, delta V = 0.7 mag). The light curves were obtained at WestMountain Observatory, Provo, Utah on 14 nights from 1983 through 1986and contain 589 data points in each of the V and R bands in the Cousinphotometric system. A detailed study of these stars, based on thepresent light curves, will be published separately.

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Observation and Astrometry data

Constellation:Cygnus
Right ascension:20h04m23.88s
Declination:+58°50'04.6"
Apparent magnitude:8.89
Distance:218.341 parsecs
Proper motion RA:15.1
Proper motion Dec:6.9
B-T magnitude:9.082
V-T magnitude:8.906

Catalogs and designations:
Proper Names
HD 1989HD 190961
TYCHO-2 2000TYC 3948-1908-1
USNO-A2.0USNO-A2 1425-10265403
HIPHIP 98846

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