Y Cygni (Q31898878)

General Catalogue of Variable Stars

spectroscopic binary

1 reference

SB9: The ninth catalogue of spectroscopic binary orbits

catalog code

ALS 11594

Catalog of Galactic OB Stars

1 reference

CEL 5189

Celescope Catalogue of Ultraviolet Magnitudes

1 reference

GCRV 13097

General Catalogue of Stellar Radial Velocities

1 reference

GSC 02696-03486

1 reference

HD 198846

Henry Draper Catalogue

1 reference

HIC 102999

Hipparcos Input Catalogue

1 reference

HIP 102999

1 reference

2MASS J20520357+3439273

1 reference

PLX 4996

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PLX 4996.00

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PPM 85645

1 reference

ROT 3531

Catalogue of rotational velocities of the stars

1 reference

ROT 3578

Catalogue of rotational velocities of the stars

1 reference

SAO 70599

Smithsonian Astrophysical Observatory Star Catalog

1 reference

TD1 27393

TD1 Catalog of Stellar Ultraviolet Fluxes

1 reference

UBV M 25238

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

1 reference

uvby98 100198846

uvbyβ Photoelectric Photometric Catalogue

1 reference

SBC9 1266

Eighth catalogue of the orbital elements of spectroscopic binary systems

1 reference

AG+34 2089

1 reference

BD+34 4184

1 reference

CSI+34 4184 1

Microfiche edition of CSI

1 reference

GOS G077.25-06.23 01

A galactic O star catalog

1 reference

HGAM 959

A catalogue of Hgamma measures

1 reference

SBC7 833

Seventh catalogue of the orbital elements of spectroscopic binary systems

1 reference

TYC 2696-3486-1

The Tycho-2 catalogue of the 2.5 million brightest stars

1 reference

CSI+34 4184 2

Microfiche edition of CSI

1 reference

CSI+34 4184 3

Microfiche edition of CSI

1 reference

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

Gaia DR1 1869256697357890304

1 reference

WEB 18699

1 reference

General Catalogue of Variable Stars

Gaia DR2 1869256701670871168

1 reference

Y Cyg

0 references

constellation

Cygnus

0 references

distance from Earth

1,735.2074±130.675 parsec

1 reference

stellar rotational velocity

148 kilometre per second

1 reference

Catalogue of rotational velocities of the stars

parallax

0.5763±0.0434 milliarcsecond

1 reference

7.6±13.1 milliarcsecond

1 reference

The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition

0.8±0.46 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

0.61±0.29 milliarcsecond

1 reference

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

1.04±0.82 milliarcsecond

1 reference

declination component of proper motion

The HIPPARCOS Catalogue

−15.677±0.064 milliarcsecond per year

1 reference

−16.41±0.34 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−17.08±0.59 milliarcsecond per year

1 reference

right ascension component of proper motion

The HIPPARCOS Catalogue

2.645±0.067 milliarcsecond per year

1 reference

3.33±0.34 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

3.22±0.64 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

radial velocity

−57.5 kilometre per second

1 reference

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

−56.8±2 kilometre per second

1 reference

General Catalogue of Stellar Radial Velocities

−65.6±1.3 kilometre per second

1 reference

SB9: The ninth catalogue of spectroscopic binary orbits

−49.1 kilometre per second

2 references

The spectroscopic orbits and dimensions of the eclipsing variables U Coronae, TX Herculis and Y Cygni

The spectroscopic orbit of Y Cygni

−65.0 kilometre per second

1 reference

Y Cygni

type of variable star

Algol variable

1 reference

General Catalogue of Variable Stars, 3rd ed.

spectral class

O9.5IV+O9.5IV

1 reference

The Galactic O-Star Spectroscopic Survey. I. Classification system and bright northern stars in the blue-violet at R ~ 2500

OB

1 reference

Luminous stars in the Northern Milky Way

O9III

1 reference

MK classifications of some northern hemisphere binary systems

B

1 reference

MK classifications of some northern hemisphere binary systems

B0V

2 references

Spectroscopic studies of O-type stars. I. Classification and absolute magnitudes

Spectral types of some eclipsing binaries

B0 IV SB,V

4 references

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

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

Spectrographic observations of galactic emission regions and nebulae

B2

1 reference

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

6.31

1 reference

Catalog of Galactic OB Stars

7.23

1 reference

7.32

1 reference

7.2461±0.0006

1 reference

7.416±0.021

1 reference

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

7.539±0.016

astronomical filter

H band

1 reference

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

7.563±0.018

astronomical filter

K band

1 reference

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

1 reference

313.01490560441140 degree

1 reference

declination

34.65763370995710 degree

1 reference