Alpha Cephei (Q13259)

astrophysical X-ray source

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Cepheus constellation map-fr.png
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Dutch Wikipedia

mass

1.74 solar mass

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Swedish Wikipedia

https://sv.wikipedia.org/w/index.php?title=Alderamin&oldid=46936239

catalog code

SAO 19302

Smithsonian Astrophysical Observatory Star Catalog

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Gliese Catalogue of Nearby Stars

2MASS J21183475+6235081

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HD 203280

Henry Draper Catalogue

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HIP 105199

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HR 8162

Bright Star Catalogue

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IRAS 21174+6222

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GJ 826

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α Cep

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English Wikipedia

ADS 14858 A

Aitken Double Star Catalogue

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ASCC 144910

All-sky Compiled Catalogue

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BD+61 2111

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CCDM J21186+6236A

Catalog of Components of Double and Multiple Stars

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CEL 5294

Celescope Catalogue of Ultraviolet Magnitudes

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FK5 803

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GC 29848

Boss General Catalogue

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GCRV 13408

General Catalogue of Stellar Radial Velocities

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HIC 105199

Hipparcos Input Catalogue

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IDS 21162+6210 A

Index Catalogue of Visual Double Stars

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IRC +60310

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

Two-Micron Sky Survey

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JP11 3335

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LSPM J2118+6235

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N30 4712

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NSV 13660

New Catalogue of Suspected Variable Stars

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PLX 5139

General Catalogue of Trigonometric Stellar Parallaxes

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PLX 5139.00

General Catalogue of Trigonometric Stellar Parallaxes

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PMC 90-93 563

Tokyo Photoelectric Meridian Circle Catalog

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PPM 22755

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ROT 3108

Catalogue of rotational velocities of the stars

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TD1 27973

TD1 Catalog of Stellar Ultraviolet Fluxes

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UBV 18421

UBV Photoelectric Photometry Catalogue

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uvby98 100203280

uvbyβ Photoelectric Photometric Catalogue

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WDS J21186+6235A

Washington Double Star Catalog

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WEB 19106

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

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5 Cep

UBV Photoelectric Photometry Catalogue

Flamsteed designation

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1RXS J211837.1+623513

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Gaia DR3 2193192137376175488

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TIC 417604820

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AAVSO 2116+62

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AG+62 1226

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UBV M 25623

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TYC 4252-1870-1

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inferred from equatorial coordinates

distance from Earth

48.8 light-year

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reference URL

https://encyklopedia.pwn.pl/haslo/Alderamin;3867487.html

stellar rotational velocity

246 kilometre per second

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English Wikipedia

196 kilometre per second

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

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

180 kilometre per second

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

240 kilometre per second

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Catalogue of rotational velocities of the stars

245 kilometre per second

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A catalogue of stellar rotational velocities

68.6 kilometre per second

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Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants

190 kilometre per second

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A new method for the inversion of atmospheric parameters of A/Am stars

parallax

66.4±5.6 milliarcsecond

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The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition

66.5±0.11 milliarcsecond

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66.84±0.49 milliarcsecond

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The HIPPARCOS Catalogue

declination component of proper motion

49.09±0.09 milliarcsecond per year

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48.27±0.45 milliarcsecond per year

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The HIPPARCOS Catalogue

50 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

26±8 milliarcsecond per year

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AGK3

49 milliarcsecond per year

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A Catalog of Northern Stars with Annual Proper Motions Larger than 0."15 (LSPM-NORTH Catalog)

right ascension component of proper motion

150.55±0.09 milliarcsecond per year

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149.91±0.49 milliarcsecond per year

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The HIPPARCOS Catalogue

147 milliarcsecond per year

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148 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

117±9 milliarcsecond per year

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AGK3

151 milliarcsecond per year

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A Catalog of Northern Stars with Annual Proper Motions Larger than 0."15 (LSPM-NORTH Catalog)

radial velocity

−10.0 kilometre per second

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

−10±5 kilometre per second

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General Catalogue of Stellar Radial Velocities

−15.8±1.1 kilometre per second

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

−11.5 kilometre per second

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

−12.0 kilometre per second

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

−12.4 kilometre per second

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The frequency of binaries among normal A-type stars

−17.2 kilometre per second

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The radial velocities of 917 stars

−7.8 kilometre per second

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Catalogue of observed velocities

−5.5 kilometre per second

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spectral class

A8IV

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Spectral classification of A & F stars

A7IV-V

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

The Uppsala spectral classification

Seven-colour photometry of O, B and A stars

The equivalent widths of absorption lines in the spectra of 62 B8-F2 type stars

Multicolor photoelectric photometry of stars with composite spectra

Katalog der Sterne naher als 20 parsek fur 1950.0

The color-luminosity diagram for stars in the vicinity of the Sun

Distribution of the nearer bright stars in the color-luminosity array

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

The spectra and rotational velocities of the bright stars of Draper types A3-G0

The color-luminosity array for stars near the Sun

Magnitudes and colors for 833 Northern and Southern stars

Some characteristics of color systems

Fundamental stellar photometry for standards of spectral type on the revised system of the Yerkes spectral atlas

A7V

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

Contribution aux recherches de photometrie photoelectrique dans la Galaxie

Photoelectric spectrophotometry. I. Hydrogen line intensities of O, B and A type stars

Q66616686

Contribution a l'etude de la zone convective des etoiles

The Stark effect of the higher Balmer lines in stars of spectral types A and B

An atlas of stellar spectra with an outline of spectral classification

A8Vn

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Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I

A5

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

UBV photometry of stars whose positions are accurately known

2.77±0.01

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UBV photometry of stars whose positions are accurately known. VI

2.68±0.007

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UBV photometry of stars whose positions are accurately known. VI

2.46±0.009

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

2.22

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

2.11

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

2.15±0.3

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

2.134±0.176

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

2.07±0.24

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Gaia Early Data Release 3

2.428267±0.004577

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absolute magnitude

1.57

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Swedish Wikipedia

https://sv.wikipedia.org/w/index.php?title=Alderamin&oldid=46936239

metallicity

7.94

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Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants

−0.4

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A new method for the inversion of atmospheric parameters of A/Am stars

0.36

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Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants

radius

2.3 solar radius

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Swedish Wikipedia

https://sv.wikipedia.org/w/index.php?title=Alderamin&oldid=46936239

epoch

J2000.0

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ROSAT All-Sky Survey Faint Source Catalogue

right ascension

319.644884697 degree

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declination

62.585574464 degree

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effective temperature

7,638 kelvin

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Rotational velocities of A-type stars. IV. Evolution of rotational velocities

7,460 kelvin

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The determination of T_eff_ of B, A and F main sequence stars from the continuum between 3200 A and 3600 A

7,773 kelvin

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Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I

7,217 kelvin

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Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants

7,300 kelvin

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A new method for the inversion of atmospheric parameters of A/Am stars

surface gravity

2,800 centimetre per square second

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Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I

4,900 centimetre per square second

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Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants

1,600 centimetre per square second

1 reference

A new method for the inversion of atmospheric parameters of A/Am stars

age estimated by a dating method

0.82 gigaannum

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English Wikipedia

https://en.wikipedia.org/w/index.php?title=Alpha_Cephei&oldid=1108103243

Identifiers

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Alderàmin

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28 October 2013

Online PWN Encyclopedia ID

3867487

subject named as

Alderamin

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reference URL

https://encyklopedia.pwn.pl/haslo/Alderamin;3867487.html

SIMBAD ID

* alf Cep

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