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HD 17295


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UBVRI Photometry of the Solar Neighborhood Pleiades-Age K Dwarfs HD 17925 and HD 1405
We report a photometric modulation period for the nearby (d=7.9 pc)Pleiades-age K2 dwarf HD 17925 of 6.9 d, in reasonable agreement withthe Ca H+K modulation period of 6.6 d reported by Noyes etal \ in 1984.Perhaps not surprisingly for a star this young, the shape of the lightcurve changed significantly over a three week period. The three-monthlight curve for HD 1405 (K2 V; P=1.75 d) showed one flare (Delta U ~0.2) at photometric minimicrons. The UBVRI observations were obtainedwith the 0.8-m Four College Automated Photometric Telescope (APT) on Mt.Hopkins, AZ, during the Fall 1994 observing season.

VRI photometry of selected SAO stars
Johnson V, R, and I photoelectric photometry has been obtained for 199SAO stars in support of the Near Infrared Photographic Sky Survey. Thesedata are utilized in the calibration of survey photographs and arepresented here to assist other programs reliant upon access tophotometry in the photographic infrared.

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观测天体数据

星座:波江座
右阿森松:02h46m32.85s
赤纬:-01°23'03.7"
视星:8.217
距离:200.401 天文距离
右阿森松适当运动:70.8
赤纬适当运动:-22.2
B-T magnitude:9.425
V-T magnitude:8.317

目录:
适当名称   (Edit)
HD 1989HD 17295
TYCHO-2 2000TYC 4699-1063-1
USNO-A2.0USNO-A2 0825-00646502
HIPHIP 12950

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