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HD 92127


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Period Change and Surface Activity of the Eclipsing Binary UV Leonis
From Johnson B and V photometric measurements of V=8.98 mag eclipsingbinary UV Leonis we calculated the epochs of primary and secondaryminima, which we used to complement the published O-C catalog by Kreineret al. (2000). From this we give a brief analysis of the observed periodchange and give qualitative presumptions about the physics that mighthave caused such a change. Further on, we use the observed systematicvertical shift in light curves as an indication of the surface activityof UV Leonis.

A Photometric Analysis and SPOT Model of the Detached Eclipsing Binary UV Leonis
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....111.2081F&db_key=AST

Photoelectric Photometry of UZ Leonis
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Fluctuations dans les courbes de lumière de la variable à éclipses UV Leonis
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Observation and Astrometry data

Constellation:Leo
Right ascension:10h38m26.08s
Declination:+13°57'03.2"
Apparent magnitude:8.265
Distance:91.743 parsecs
Proper motion RA:-5.5
Proper motion Dec:-10.7
B-T magnitude:8.792
V-T magnitude:8.309

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 92127
TYCHO-2 2000TYC 845-1154-1
USNO-A2.0USNO-A2 0975-06537847
HIPHIP 52070
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