HD 204172 (Q10940043)

Catalog of Components of Double and Multiple Stars

2MASS J21254702+3640027

1 reference

BD+36 4557

1 reference

CCDM J21258+3640A

1 reference

GC 30016

Boss General Catalogue

1 reference

GCRV 13479

General Catalogue of Stellar Radial Velocities

1 reference

GSC 02715-03977

1 reference

HD 204172

Henry Draper Catalogue

1 reference

HIC 105811

Hipparcos Input Catalogue

1 reference

HIP 105811

1 reference

HR 8209

Bright Star Catalogue

1 reference

IDS 21217+3614 A

Index Catalogue of Visual Double Stars

1 reference

N30 4730

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

1 reference

PPM 86550

1 reference

ROT 7718

Catalogue of rotational velocities of the stars

1 reference

SAO 71329

Smithsonian Astrophysical Observatory Star Catalog

1 reference

TD1 28096

TD1 Catalog of Stellar Ultraviolet Fluxes

1 reference

TYC 2715-3977-1

1 reference

UBV 18496

UBV Photoelectric Photometry Catalogue

1 reference

uvby98 100204172 A

uvbyβ Photoelectric Photometric Catalogue

1 reference

V2157 Cyg

General Catalogue of Variable Stars

1 reference

WDS J21258+3640A

Washington Double Star Catalog

1 reference

HGAM 998

A catalogue of Hgamma measures

1 reference

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

Gaia DR1 1963714263833605760

1 reference

WEB 19196

1 reference

UBV Photoelectric Photometry Catalogue

Gaia DR2 1963714268134133120

1 reference

69 Cyg

Flamsteed designation

0 references

Gaia DR3 1963714268134133120

1 reference

TIC 351331453

1 reference

AG+36 2193

1 reference

UBV M 25720

1 reference

ALS 14838

Catalog of Galactic OB Stars

1 reference

1 reference

inferred from equatorial coordinates

distance from Earth

2,154.244±197.2326 parsec

1 reference

stellar rotational velocity

61 kilometre per second

1 reference

The IACOB project. I. Rotational velocities in northern Galactic O- and early B-type stars revisited. The impact of other sources of line-broadening

90 kilometre per second

1 reference

A catalogue of stellar rotational velocities

75 kilometre per second

1 reference

Rotational Velocities of B Stars

58 kilometre per second

1 reference

The IACOB project. I. Rotational velocities in northern Galactic O- and early B-type stars revisited. The impact of other sources of line-broadening

52 kilometre per second

1 reference

The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars

68 kilometre per second

1 reference

The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars

parallax

0.5185±0.0648 milliarcsecond

1 reference

Gaia Data Release 2

1.18±0.58 milliarcsecond

1 reference

The HIPPARCOS Catalogue

0.36±0.39 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

0.07±0.64 milliarcsecond

1 reference

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

0.4642±0.0425 milliarcsecond

1 reference

declination component of proper motion

−9.42±0.104 milliarcsecond per year

1 reference

Gaia Data Release 2

−9.65±0.29 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−8.89±0.43 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−10±8 milliarcsecond per year

1 reference

AGK3

−5 milliarcsecond per year

1 reference

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

−9.369±0.041 milliarcsecond per year

1 reference

right ascension component of proper motion

6.827±0.093 milliarcsecond per year

1 reference

Gaia Data Release 2

7.49±0.25 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

6.91±0.38 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

6±9 milliarcsecond per year

1 reference

AGK3

2 milliarcsecond per year

1 reference

1 milliarcsecond per year

1 reference

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

6.785±0.037 milliarcsecond per year

1 reference

radial velocity

2.8 kilometre per second

1 reference

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

2.8±2 kilometre per second

1 reference

General Catalogue of Stellar Radial Velocities

2.8±2.9 kilometre per second

1 reference

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

4.0 kilometre per second

1 reference

The radial velocities of 523 O and B type stars obtained at Victoria, 1923-1929

1.7 kilometre per second

1 reference

The radial velocities of five hundred stars

type of variable star

Alpha Cygni variable

2 references

General Catalogue of Variable Stars (Samus+ 2007-2011)

spectral class

B0Ib

16 references

The kinematics of the Gould belt: an expanding group ?

Photoelectric measures of the 4430 A diffuse interstellar band

Seven-colour photometry of O, B and A stars

Contribution aux recherches de photometrie photoelectrique dans la Galaxie

Color excesses from six-color photometry of supergiant stars

A two-dimensionnal quantitative spectral classification of 283 O5-B7 stars and the construction of a spectrum-absolute magnitude diagram

The equivalent widths of absorption lines in the spectra of 109 O5-B7stars

The law of interstellar reddening

Cepheid variables and galactic absorption

Six-color photometry of stars. VIII. The colors of 409 stars of different spectral types

Studies in galactic structure. II. Luminosity classification for 1270 blue giants stars

Recherches sur la loi d'absorption de la poussiere interstellaire et sur le spectre continu des etoiles O et B

Q66616686

Contribution a l'etude de la zone convective des etoiles

The intensity of certain lines of He I in the B stars

Spectral classification and UBV photometry of bright visual double stars

B0

1 reference

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

B0.2Iab

1 reference

Search for Galactic runaway stars using Gaia Data Release 1 and HIPPARCOS proper motions

Catalog of Galactic OB Stars

4.89

1 reference

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

5.86

1 reference

5.94

1 reference

6.085±0.021

1 reference

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

6.08±0.046

1 reference

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

6.141±0.018

1 reference

5.874047±0.00283

1 reference

2 references

321.44593787311 degree

1 reference

declination

36.66738449535 degree

1 reference

effective temperature

24,110 kelvin

1 reference

Fundamental parameters of B supergiants from the BCD system. I. Calibration of the (λ_1, D) parameters into Teff