XX Trianguli (Q3780481)

high proper-motion star

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image

Giant starspot (noao-12545).jpg
2,480 × 1,984; 327 KB

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catalog code

GJ 3130

Gliese Catalogue of Nearby Stars

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GSC 02316-00179

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HD 12545

Henry Draper Catalogue

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HIC 9630

Hipparcos Input Catalogue

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HIP 9630

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IRAS 02007+3520

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2MASS J02034713+3535286

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PPM 66921

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1RXS J020346.9+353527

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SAO 55233

Smithsonian Astrophysical Observatory Star Catalog

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uvby98 100012545

uvbyβ Photoelectric Photometric Catalogue

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SBC9 2459

Eighth catalogue of the orbital elements of spectroscopic binary systems

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AG+35 189

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BD+34 363

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TYC 2316-179-1

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Gaia DR1 329324417081409664

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Gaia DR2 329324421377469696

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XX Tri

General Catalogue of Variable Stars

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constellation

Triangulum

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distance from Earth

196.7729±1.9244 parsec

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parallax

5.082±0.0497 milliarcsecond

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5.08±1.1 milliarcsecond

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The HIPPARCOS Catalogue

6.24±1.02 milliarcsecond

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Validation of the new Hipparcos reduction

5.34±0.22 milliarcsecond

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

declination component of proper motion

−14.16±0.087 milliarcsecond per year

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−14.92±0.85 milliarcsecond per year

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Validation of the new Hipparcos reduction

−15.74±0.87 milliarcsecond per year

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The HIPPARCOS Catalogue

−10±9 milliarcsecond per year

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right ascension component of proper motion

AGK3

−53.222±0.1 milliarcsecond per year

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−54.46±1.18 milliarcsecond per year

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Validation of the new Hipparcos reduction

−53.43±1.13 milliarcsecond per year

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The HIPPARCOS Catalogue

−52±10 milliarcsecond per year

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AGK3

radial velocity

−13.69±2.5 kilometre per second

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−26.35±0.18 kilometre per second

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Kinematics of chromospherically active binaries and evidence of an orbital period decrease in binary evolution

−40.3 kilometre per second

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The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ∼14 000 F and G dwarfs

type of variable star

RS Canum Venaticorum variable

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imported from Wikimedia project

English Wikipedia

spectral class

K0III

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Starspots

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

9.52±0.03

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8.42±0.01

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7.5552±0.0053

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5.864±0.021

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

5.331±0.026

astronomical filter

H band

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

5.153±0.016

astronomical filter

K band

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

diameter

8,000,000 kilometre

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30.94630750702360 degree

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declination

35.59129701244230 degree

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effective temperature

4,172 kelvin

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