68 Cygni (Q10940888)

astrophysical X-ray source

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A Cyg

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imported from Wikimedia project

English Wikipedia

1RXS J211826.0+435635

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2MASS J21182718+4356453

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BD+43 3877

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CEL 5290

Celescope Catalogue of Ultraviolet Magnitudes

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FK5 3701

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GC 29823

Boss General Catalogue

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GCRV 13394

General Catalogue of Stellar Radial Velocities

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GSC 03181-00836

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HD 203064

Henry Draper Catalogue

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HIC 105186

Hipparcos Input Catalogue

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HIP 105186

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HR 8154

Bright Star Catalogue

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N30 4710

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

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PPM 61260

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ROT 3107

Catalogue of rotational velocities of the stars

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SAO 50690

Smithsonian Astrophysical Observatory Star Catalog

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TD1 27950

TD1 Catalog of Stellar Ultraviolet Fluxes

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TYC 3181-836-1

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UBV 18413

UBV Photoelectric Photometry Catalogue

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V1809 Cyg

General Catalogue of Variable Stars

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uvby98 100203064

uvbyβ Photoelectric Photometric Catalogue

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SBC9 1295

Eighth catalogue of the orbital elements of spectroscopic binary systems

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CGO 620

A catalogue of galactic O stars. The ionization of the low density interstellar medium by runaway stars

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GOS G087.61-03.84 01

A galactic O star catalog

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HGAM 988

A catalogue of Hgamma measures

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RX J211827+43564

X-ray survey of the Large Magellanic Cloud by ROSAT

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RX J2118.4+4356

X-ray survey of the Large Magellanic Cloud by ROSAT

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WEB 19103

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

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Catalog of Galactic OB Stars

Gaia DR2 1971467916750747264

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68 Cyg

Flamsteed designation

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Gaia DR3 1971467916750747264

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TIC 138317746

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AG+43 1959

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ALS 11807

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UBV M 25612

UBV Photoelectric Photometry Catalogue

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WDS J21185+4357A

Washington Double Star Catalog

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inferred from equatorial coordinates

distance from Earth

1,130±190 parsec

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The interstellar Ca II distance scale

689.75±54.807 parsec

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stellar rotational velocity

399 kilometre per second

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imported from Wikimedia project

English Wikipedia

314 kilometre per second

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

299 kilometre per second

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

312 kilometre per second

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parallax

1.7026±0.1804 milliarcsecond

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Gaia Data Release 2

0.7±0.23 milliarcsecond

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Validation of the new Hipparcos reduction

1.4498±0.1152 milliarcsecond

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declination component of proper motion

−7.795±0.32 milliarcsecond per year

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Gaia Data Release 2

−8.4±0.2 milliarcsecond per year

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Validation of the new Hipparcos reduction

−9.07±0.46 milliarcsecond per year

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The HIPPARCOS Catalogue

−9 milliarcsecond per year

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

−8.487±0.113 milliarcsecond per year

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right ascension component of proper motion

5.088±0.328 milliarcsecond per year

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Gaia Data Release 2

4.85±0.22 milliarcsecond per year

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Validation of the new Hipparcos reduction

4.52±0.52 milliarcsecond per year

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The HIPPARCOS Catalogue

−1 milliarcsecond per year

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−2 milliarcsecond per year

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

−23±9 milliarcsecond per year

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AGK3

4.632±0.104 milliarcsecond per year

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radial velocity

−30.0 kilometre per second

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

1±5 kilometre per second

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General Catalogue of Stellar Radial Velocities

−30±10 kilometre per second

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

−16.6 kilometre per second

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The radial velocities of 129 stars in the years 1906 to 1917

−19.0 kilometre per second

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Radial velocities of 2111 stars

25.0 kilometre per second

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Catalogue of observed velocities

12.9 kilometre per second

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Radial velocities of 368 helium stars

−11.5 kilometre per second

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Five Oe5 stars with variable radial velocities

spectral class

O7.5IIIn((f))

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

OB

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Luminous Stars in the Northern Milky Way

O8V

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Spectroscopic observations of O-type stars. V. The hydrogen lines and lambda 4686 He II

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

O 7.5III.N((F))

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Spectral classification of OB stars in both hemispheres and the absolute magnitude calibration

O8n

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The kinematics of the Gould belt: an expanding group ?

O8e

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A spectrophotometric study of stars

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

O8

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On the origin of the O and B- type stars with high velocities (the "run-away" stars), and some related problems

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

Evolution in the Galaxy : a Symposium

Line broadening in the spectra of O and early B-type stars

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

Emission lines in O stars

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

Some characteristics of color systems

O7V

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Contribution aux recherches de photometrie photoelectrique dans la Galaxie

O7.5II:

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Spectrophotometric measurements of early type stars

O7

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

Q66616686

Oe5

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

O7.5III.N((F))

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Spectral classification of OB stars in both hemispheres and the absolute magnitude calibration

Catalogue of Stellar Photometry in Johnson's 11-color system

4.05

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Catalogue of Stellar Photometry in Johnson's 11-color system

4.99

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Catalogue of Stellar Photometry in Johnson's 11-color system

5.00

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

5.036±0.02

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

5.107±0.031

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

5.114±0.021

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4.992317±0.002887

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319.61327592469 degree

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declination

43.94594420774 degree

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effective temperature

34,000 kelvin

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Stellar and wind parameters of Galactic O-stars. The influence of line-blocking/blanketing

35,300 kelvin

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surface gravity

4,900 centimetre per square second

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4,000 centimetre per square second

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Stellar and wind parameters of Galactic O-stars. The influence of line-blocking/blanketing