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Differential UBV photometry of two CP3 stars: 11 Her and 6 Her
Differential UBV photometry of two CP3 stars 11 Her and 6 Her ispresented. The effort is focused on 7832 period reported by Rakosch andFiedler (1978) for 11 Her. However, the observations from the seasonJanuary 1991 - September 1993 can not confirm suggested period.Moreover, 6 Her seems to be constant within 0.01 mag. as well.
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Observation and Astrometry data
| Constellation: | Cygnus |
| Right ascension: | 19h32m40.40s |
| Declination: | +44°52'51.4" |
| Apparent magnitude: | 8.297 |
| Distance: | 252.525 parsecs |
| Proper motion RA: | 9.9 |
| Proper motion Dec: | 11.4 |
| B-T magnitude: | 8.521 |
| V-T magnitude: | 8.316 |
Catalogs and designations:
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