LS Del (Q5961749)

astrophysical X-ray source

W Ursae Majoris variable

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high proper-motion star

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ASAS J205710+1938.8

All Sky Automated Survey

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ASCC 901989

All-sky Compiled Catalogue

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GSC 01656-01961

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HD 199497

Henry Draper Catalogue

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LSPM J2057+1938

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2MASS J20571028+1938593

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PPM 139335

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1RXS J205710.3+193855

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SAO 106694

Smithsonian Astrophysical Observatory Star Catalog

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UCAC2 38887582

Second USNO CCD Astrograph Catalog

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uvby98 100199497

uvbyβ Photoelectric Photometric Catalogue

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YZ 19 8495

Yale Observatory Zone Catalog

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SBC9 1963

Eighth catalogue of the orbital elements of spectroscopic binary systems

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AG+19 2119

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BD+19 4574

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TYC 1656-1961-1

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Gaia DR1 1813514756363926400

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Gaia DR2 1813514756363926400

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LS Del

General Catalogue of Variable Stars

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constellation

Delphinus

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imported from Wikimedia project

Spanish Wikipedia

distance from Earth

99.6016±0.6081 parsec

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parallax

10.04±0.0613 milliarcsecond

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10.14±0.27 milliarcsecond

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

declination component of proper motion

84.686±0.092 milliarcsecond per year

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84±8 milliarcsecond per year

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AGK3

A Catalog of Northern Stars with Annual Proper Motions Larger than 0."15 (LSPM-NORTH Catalog)

right ascension component of proper motion

145.144±0.104 milliarcsecond per year

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147±9 milliarcsecond per year

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AGK3

146 milliarcsecond per year

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A Catalog of Northern Stars with Annual Proper Motions Larger than 0."15 (LSPM-NORTH Catalog)

radial velocity

−25.9±1.4 kilometre per second

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Kinematics of W Ursae Majoris type binaries and evidence of the two types of formation

type of variable star

eclipsing binary star

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Up-to-date linear elements of eclipsing binaries

spectral class

G5

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

9.178±0.018

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8.722±0.062

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ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey

8.3

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8.054±0.048

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ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey

8.5819±0.0021

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7.605±0.027

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

7.358±0.044

astronomical filter

H band

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

7.297±0.026

astronomical filter

K band

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

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314.29285958026650 degree

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declination

19.64978983996550 degree

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effective temperature

6,187 kelvin

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