HD 166804 (Q12066331)

Alpha² Canum Venaticorum variable

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HD 166804

Henry Draper Catalogue

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GSC 06268-00774

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BD-18 4837

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2MASS J18130339-1818441

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PPM 234197

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TYC 6268-774-1

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UBV 15471

UBV Photoelectric Photometry Catalogue

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Yale Observatory Zone Catalog

YZ 108 7541

catalog

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Gaia DR1 4095676312343244544

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Gaia DR2 4095676316659123328

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584.4194±21.3125 parsec

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parallax

1.7111±0.0624 milliarcsecond

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1.29±0.34 milliarcsecond

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Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties

declination component of proper motion

−8.674±0.09 milliarcsecond per year

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right ascension component of proper motion

0.712±0.104 milliarcsecond per year

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Alpha² Canum Venaticorum variable

type of variable star

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New photometrically variable magnetic chemically peculiar stars in the ASAS-3 archive

spectral class

Ap...

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ApSi

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Catalogue of two-dimensional spectral types for the HD stars, Vol.4

B9

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VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)

8.90

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New photometrically variable magnetic chemically peculiar stars in the ASAS-3 archive

8.8221±0.0006

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8.749±0.018

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VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

8.817±0.03

astronomical filter

H band

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VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

8.811±0.03

astronomical filter

K band

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VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

8.84

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273.26413593209760 degree

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declination

−18.31228032923540 degree

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