HD 189831 (Q5177718)

General Catalogue of Trigonometric Stellar Parallaxes

2MASS J20033346-3756266

1 reference

HD 189831

Henry Draper Catalogue

1 reference

HIP 98761

1 reference

GSC 07947-03890

1 reference

PLX 4743

1 reference

CD-38 13828

Cordoba Durchmusterung

1 reference

CPC 18 10381

Cape Photographic Catalogue

1 reference

CPD-38 7928

Cape Photographic Durchmusterung

1 reference

FK5 3602

1 reference

GC 27779

Boss General Catalogue

1 reference

GCRV 12393

General Catalogue of Stellar Radial Velocities

1 reference

HIC 98761

Hipparcos Input Catalogue

1 reference

N30 4430

Catalog of 5,268 Standard Stars Based on the Normal System N30

1 reference

PPM 299717

1 reference

TYC 7947-3890-1

1 reference

UBV 17089

UBV Photoelectric Photometry Catalogue

1 reference

UBV M 24406

Photoelectric catalogue, magnitudes and colors of stars in the UBV and UCBV systems

1 reference

PLX 4743.00

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

WEB 17496

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue

1 reference

Gaia DR2 6696934666893316736

1 reference

1 reference

119.9113±2.5048 parsec

1 reference

parallax

8.3395±0.1742 milliarcsecond

1 reference

18.1±17.3 milliarcsecond

1 reference

The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition

8.9±0.29 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

8.05±0.83 milliarcsecond

1 reference

declination component of proper motion

The HIPPARCOS Catalogue

−85.141±0.215 milliarcsecond per year

1 reference

−86.43±0.25 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−85.44±0.6 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−88 milliarcsecond per year

1 reference

−84 milliarcsecond per year

1 reference

Catalog of 5268 standard stars for the equinox and epoch 1950.0 based on the Normal Star System N30

right ascension component of proper motion

63.546±0.274 milliarcsecond per year

1 reference

64.47±0.33 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

64.71±0.91 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

65 milliarcsecond per year

1 reference

60 milliarcsecond per year

1 reference

Catalog of 5268 standard stars for the equinox and epoch 1950.0 based on the Normal Star System N30

radial velocity

−43.88±0.27 kilometre per second

1 reference

−38.3±2 kilometre per second

4 references

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue

Catalogue of observed velocities

Sixth catalogue of fundamental stars (FK6). Part III. Additional stars with direct solutions

General Catalogue of Stellar Radial Velocities

−38.3±2.8 kilometre per second

1 reference

Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system

−38.3 kilometre per second

3 references

Catalogue of observed velocities

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue

Sixth catalogue of fundamental stars (FK6). Part III. Additional stars with direct solutions

−36.3 kilometre per second

1 reference

The radial velocities of 915 stars

spectral class

K5III

1 reference

K4III

1 reference

Catalogue of two-dimensional spectral types for the HD stars, Vol. 3

K5

1 reference

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

6.176±0.015

1 reference

4.764±0.009

1 reference

4.1969±0.0036

1 reference

2.374±0.296

1 reference

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

1.706±0.224

astronomical filter

H band

1 reference

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

1.577±0.266

astronomical filter

K band

1 reference

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

luminosity

316 solar luminosity

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_189831&oldid=48843417

absolute magnitude

−0.48

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_189831&oldid=48843417

radius

22.61 solar radius

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_189831&oldid=48843417

1 reference

300.88944059053140 degree

1 reference

declination

−37.94068843158670 degree

1 reference

effective temperature

4,099 kelvin

1 reference