(Q9555148)

pulsating variable star

2 references

General Catalogue of Variable Stars

1 reference

1 reference

1 reference

1 reference

1 reference

10.5 solar mass

1 reference

https://sv.wikipedia.org/w/index.php?title=9_Persei&oldid=47144126

Swedish Wikipedia

Wikimedia import URL

catalog code

i Per

Bayer designation

1 reference

English Wikipedia

ADS 1802 A

Aitken Double Star Catalogue

1 reference

Catalog of Components of Double and Multiple Stars

2MASS J02222140+5550443

1 reference

BD+55 598

1 reference

CCDM J02224+5551A

1 reference

CEL 262

Celescope Catalogue of Ultraviolet Magnitudes

1 reference

FK5 2159

1 reference

GC 2836

Boss General Catalogue

1 reference

GCRV 1324

General Catalogue of Stellar Radial Velocities

1 reference

GSC 03690-02172

1 reference

HD 14489

Henry Draper Catalogue

1 reference

HIC 11060

Hipparcos Input Catalogue

1 reference

HIP 11060

1 reference

HR 685

Bright Star Catalogue

1 reference

IDS 02154+5523 A

Index Catalogue of Visual Double Stars

1 reference

IRAS 02188+5536

1 reference

JP11 632

1 reference

PMC 90-93 1204

Tokyo Photoelectric Meridian Circle Catalog

1 reference

PPM 27527

1 reference

ROT 325

Catalogue of rotational velocities of the stars

1 reference

SAO 23256

Smithsonian Astrophysical Observatory Star Catalog

1 reference

TD1 1372

TD1 Catalog of Stellar Ultraviolet Fluxes

1 reference

TYC 3690-2172-1

1 reference

UBV 2429

UBV Photoelectric Photometry Catalogue

1 reference

V474 Per

General Catalogue of Variable Stars

1 reference

YZ 55 2168

Yale Observatory Zone Catalog

1 reference

WDS J02224+5551A

Washington Double Star Catalog

1 reference

uvby98 100014489

uvbyβ Photoelectric Photometric Catalogue

1 reference

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

Gaia DR1 457487409425503232

1 reference

WEB 2326

1 reference

Catalog of Galactic OB Stars

Gaia DR2 457487413730043904

1 reference

9 Per

Flamsteed designation

0 references

Gaia DR3 457487413730043904

1 reference

TIC 348526518

1 reference

AAVSO 0215+55

1 reference

AG+55 246

1 reference

ALS 7133

1 reference

UBV M 8884

UBV Photoelectric Photometry Catalogue

1 reference

1 reference

inferred from equatorial coordinates

stellar rotational velocity

25 kilometre per second

2 references

English Wikipedia

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

33 kilometre per second

1 reference

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

parallax

0.7603±0.1139 milliarcsecond

1 reference

Gaia Data Release 2

1.59±0.65 milliarcsecond

1 reference

The HIPPARCOS Catalogue

1±0.3 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

0.45±0.94 milliarcsecond

1 reference

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

0.7852±0.0806 milliarcsecond

1 reference

declination component of proper motion

−1.798±0.205 milliarcsecond per year

1 reference

Gaia Data Release 2

−1.78±0.23 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−1.19±0.52 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−1.692±0.059 milliarcsecond per year

1 reference

right ascension component of proper motion

0.374±0.23 milliarcsecond per year

1 reference

Gaia Data Release 2

0.86±0.33 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

0.36±0.67 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

0.64±0.054 milliarcsecond per year

1 reference

radial velocity

−15.2±0.9 kilometre per second

3 references

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

M Supergiants in the Perseus Arm

General Catalogue of Stellar Radial Velocities

−14.3±1 kilometre per second

1 reference

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

−15.2 kilometre per second

2 references

M Supergiants in the Perseus Arm

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

−13.0 kilometre per second

1 reference

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

−16.2 kilometre per second

1 reference

Radial velocities of 2111 stars

−19.9 kilometre per second

1 reference

The radial velocities of 917 stars

−15.3 kilometre per second

1 reference

Catalogue of observed velocities

−14.8 kilometre per second

1 reference

The radial velocities of 1013 stars

−11.4 kilometre per second

1 reference

−18.7±0.1 kilometre per second

1 reference

type of variable star

Alpha Cygni variable

3 references

English Wikipedia

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

spectral class

A0Ib

1 reference

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

A1Ia

2 references

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

A Spectroscopic Study of the Region of the Double Cluster in Perseus

A3Ia

1 reference

Spectral classification of middle-type supergiants in the photographic infrared

A2Ia

2 references

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

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

A2I

1 reference

Corrected version available on magnetic tape and microfiche at CDS Strasbourg Henry Draper Catalogue

A:I

1 reference

Luminous stars in the Northern Milky Way. Part I

A2Ib

1 reference

Revised Standards for Supergiants on the System of the Yerkes Spectral Atlas

A2p

1 reference

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

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

5.43

1 reference

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

5.54

1 reference

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

5.17

1 reference

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

4.79

1 reference

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

4.47

1 reference

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

4.528±0.232

1 reference

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

4.243±0.053

1 reference

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

4.05

1 reference

5.057103±0.002989

1 reference

absolute magnitude

−4.73

1 reference

https://sv.wikipedia.org/w/index.php?title=9_Persei&oldid=47144126

Swedish Wikipedia

Wikimedia import URL

metallicity

−0.26

1 reference

Atmospheric Parameters and LTE Abundances for 22 Galactic, A-Type Supergiants

−0.09

1 reference

2 references

35.58930962793999 degree

1 reference

declination

55.84565287591 degree

1 reference

effective temperature

9,000 kelvin

1 reference

Atmospheric Parameters and LTE Abundances for 22 Galactic, A-Type Supergiants

9,350 kelvin

2 references

Quantitative spectroscopy of galactic BA-type supergiants. I. Atmospheric parameters

9,840 kelvin

1 reference

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

surface gravity

25.1 centimetre per square second

1 reference

Atmospheric Parameters and LTE Abundances for 22 Galactic, A-Type Supergiants

28.2 centimetre per square second

1 reference

25 centimetre per square second

1 reference

Atmospheric Parameters and LTE Abundances for 22 Galactic, A-Type Supergiants

reason for deprecated rank

28 centimetre per square second

item/value with less precision and/or accuracy

2 references

Quantitative spectroscopy of galactic BA-type supergiants. I. Atmospheric parameters