(Q15939399)

CEL 5370

Celescope Catalogue of Ultraviolet Magnitudes

1 reference

GCRV 13638

General Catalogue of Stellar Radial Velocities

1 reference

GSC 03188-01949

1 reference

HD 206644

Henry Draper Catalogue

1 reference

HIC 107162

Hipparcos Input Catalogue

1 reference

HIP 107162

1 reference

HR 8300

Bright Star Catalogue

1 reference

IDS 21384+4038 AB

Index Catalogue of Visual Double Stars

1 reference

General Catalogue of Trigonometric Stellar Parallaxes

2MASS J21422294+4104373

1 reference

PLX 5239

1 reference

PLX 5239.00

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PPM 61902

1 reference

ROT 3155

Catalogue of rotational velocities of the stars

1 reference

SAO 51207

Smithsonian Astrophysical Observatory Star Catalog

1 reference

UBV 18645

UBV Photoelectric Photometry Catalogue

1 reference

uvby98 100206644

uvbyβ Photoelectric Photometric Catalogue

1 reference

WDS J21424+4105AB

Washington Double Star Catalog

1 reference

SBC9 1324

Eighth catalogue of the orbital elements of spectroscopic binary systems

1 reference

AG+40 2246

1 reference

BD+40 4615

1 reference

SBC7 870

Seventh catalogue of the orbital elements of spectroscopic binary systems

1 reference

PMSC 21384+4037

MSC - a catalogue of physical multiple stars

1 reference

WEB 19356

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

1 reference

UBV Photoelectric Photometry Catalogue

Gaia DR2 1966525478846883200

1 reference

77 Cyg

Flamsteed designation

0 references

TIC 305308009

1 reference

GC 30394

Boss General Catalogue

1 reference

TYC 3188-1949-1

1 reference

UBV M 25895

1 reference

1 reference

inferred from equatorial coordinates

stellar rotational velocity

50 kilometre per second

1 reference

A catalogue of stellar rotational velocities

90 kilometre per second

1 reference

Catalogue of rotational velocities of the stars

55 kilometre per second

1 reference

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

parallax

8.76±0.61 milliarcsecond

1 reference

The HIPPARCOS Catalogue

7.91±0.4 milliarcsecond

1 reference

declination component of proper motion

−1.02±0.4 milliarcsecond per year

1 reference

−1.6±0.51 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−14±8 milliarcsecond per year

1 reference

AGK3

4 milliarcsecond per year

1 reference

right ascension component of proper motion

23.48±0.34 milliarcsecond per year

1 reference

23.38±0.44 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

19±9 milliarcsecond per year

1 reference

AGK3

18 milliarcsecond per year

1 reference

radial velocity

−24.5±2 kilometre per second

1 reference

General Catalogue of Stellar Radial Velocities

−25.5±7.4 kilometre per second

4 references

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

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

The orbits of three A-type spectroscopic binaries

A rediscussion of the orbits of seventy-seven spectroscopic binaries

−25.5 kilometre per second

3 references

A rediscussion of the orbits of seventy-seven spectroscopic binaries

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

The orbits of three A-type spectroscopic binaries

−22.5 kilometre per second

1 reference

Catalogue of observed velocities

spectral class

A0V+A0V

1 reference

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

A0V

1 reference

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

A0

1 reference

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

5.777±0.014

1 reference

5.726±0.009

1 reference

5.7084±0.0005

1 reference

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

5.596±0.044

1 reference

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

5.543±0.046

1 reference

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

5.544±0.023

1 reference

imported from Wikimedia project

absolute magnitude

0.22

1 reference

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=77_Cygni&oldid=46393519

radius

3.54 solar radius

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=77_Cygni&oldid=46393519

epoch

J2000.0

2 references

right ascension

325.59566197208 degree

1 reference

declination

41.07702045972 degree

1 reference