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HD 80892


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Photoelectric filter photometry of the flux depression at 5200 A in Ap-stars
A new photometric index was used to characterize the flux depression at5200 A in a photoelectric filter photometric study of a large number ofnormal A-stars, Ap-stars, Am-stars, and Hg-Mn-stars. The new index isdefined as a = g - (h + y)/2, where g and h are the brightnesses at 5240and 5020 A, respectively, measured by interference filters, and y is thebrightness measured with a Stromgren filter. The index reveals a markedcontrast between normal and peculiar stars.

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Observation and Astrometry data

Constellation:Hydra
Right ascension:09h22m03.65s
Declination:-09°54'16.6"
Apparent magnitude:8.396
Distance:200.401 parsecs
Proper motion RA:-17.9
Proper motion Dec:3.7
B-T magnitude:8.565
V-T magnitude:8.41

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 80892
TYCHO-2 2000TYC 5463-686-1
USNO-A2.0USNO-A2 0750-06840726
HIPHIP 45939

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