HD 42818 (Q3304960)

binary star

sourcing circumstances

presumably

1 reference

A catalogue of multiplicity among bright stellar systems

catalog code

HR 2209

Smithsonian Astrophysical Observatory Star Catalog

Bright Star Catalogue

1 reference

GSC 04345-02051

1 reference

HD 42818

Henry Draper Catalogue

1 reference

HIP 29997

1 reference

IRAS 06133+6920

1 reference

2MASS J06185079+6919112

1 reference

SAO 13788

1 reference

AG+69 293

Astronomische Gesellschaft Katalog

1 reference

BD+69 371

1 reference

FK5 234

1 reference

GC 8020

Boss General Catalogue

1 reference

GCRV 3964

General Catalogue of Stellar Radial Velocities

1 reference

HIC 29997

Hipparcos Input Catalogue

1 reference

JP11 1340

1 reference

N30 1348

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

1 reference

PLX 1436

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PLX 1436.00

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PMC 90-93 169

Tokyo Photoelectric Meridian Circle Catalog

1 reference

PPM 15683

1 reference

ROT 994

Catalogue of rotational velocities of the stars

1 reference

TD1 6375

TD1 Catalog of Stellar Ultraviolet Fluxes

1 reference

TYC 4345-2051-1

1 reference

UBV 6254

UBV Photoelectric Photometry Catalogue

1 reference

UBV M 11873

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

1 reference

uvby98 100042818

uvbyβ Photoelectric Photometric Catalogue

1 reference

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

Gaia DR1 1106980163586885632

1 reference

WEB 5949

1 reference

Gaia DR2 1106980167886430592

1 reference

1 reference

54.5453±0.9961 parsec

1 reference

stellar rotational velocity

238 kilometre per second

2 references

Rotational velocities of A-type stars. III. Velocity distributions

Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i

220 kilometre per second

1 reference

The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars

parallax

18.3334±0.3348 milliarcsecond

1 reference

10.9±6 milliarcsecond

1 reference

The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition

18.55±0.64 milliarcsecond

1 reference

The HIPPARCOS Catalogue

18.64±0.23 milliarcsecond

1 reference

19.58±0.79 milliarcsecond

1 reference

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

declination component of proper motion

−116.417±0.414 milliarcsecond per year

1 reference

−101.99±0.16 milliarcsecond per year

1 reference

−101.65±0.42 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−108±8 milliarcsecond per year

1 reference

AGK3

−106 milliarcsecond per year

1 reference

−109 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

−1.778±0.401 milliarcsecond per year

1 reference

−2.12±0.11 milliarcsecond per year

1 reference

−1.64±0.31 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−6±8 milliarcsecond per year

1 reference

AGK3

7 milliarcsecond per year

1 reference

8 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

−7.0 kilometre per second

3 references

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

Sixth catalogue of fundamental stars (FK6). Part I. Basic fundamental stars with direct solutions

The revision of the general catalogue of radial velocities

−17±5 kilometre per second

1 reference

General Catalogue of Stellar Radial Velocities

−7±7.4 kilometre per second

1 reference

Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations

−7 kilometre per second

1 reference

The revision of the general catalogue of radial velocities

1.0 kilometre per second

1 reference

The radial velocities spectral types and projected rotational velocities of 633 bright northern A stars

−15.6 kilometre per second

1 reference

The radial velocities of 917 stars

−22.1 kilometre per second

1 reference

spectral class

A0Vn

1 reference

A study of the bright A stars. I. A catalogue of spectral classifications

B9V

1 reference

The radial velocities spectral types and projected rotational velocities of 633 bright northern A stars

A0V

1 reference

The spectra and rotational velocities of the bright stars of Draper types B8-A2

A0

1 reference

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

4.77±0.014

1 reference

4.757±0.009

1 reference

4.7187±0.005

1 reference

4.973±0.214

1 reference

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

4.767±0.036

astronomical filter

H band

1 reference

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

4.672±0.017

astronomical filter

K band

1 reference

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

absolute magnitude

1.11

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_42818&oldid=46205058

epoch

J2000.0

1 reference

right ascension

94.71156793208 degree

1 reference

declination

69.31978640028 degree

1 reference

effective temperature

9,484 kelvin

1 reference