Delta Ursae Majoris (Q850779)

Dutch Wikipedia

mass

1.63 solar mass

1 reference

https://sv.wikipedia.org/w/index.php?title=Megrez&oldid=46160936

catalog code

HR 4660

Bright Star Catalogue

1 reference

SAO 28315

Smithsonian Astrophysical Observatory Star Catalog

1 reference

IRAS 12129+5718

1 reference

2MASS J12152554+5701575

1 reference

GSC 03837-01070

1 reference

HD 106591

Henry Draper Catalogue

1 reference

HIP 59774

1 reference

GJ 459

Gliese Catalogue of Nearby Stars

1 reference

δ UMa

1 reference

Catalog of Components of Double and Multiple Stars

BD+57 1363

1 reference

CCDM J12155+5702A

1 reference

CEL 4078

Celescope Catalogue of Ultraviolet Magnitudes

1 reference

CSV 101249

Catalogue of suspected variable stars

1 reference

FK5 456

1 reference

GC 16736

Boss General Catalogue

1 reference

GCRV 7337

General Catalogue of Stellar Radial Velocities

1 reference

HIC 59774

Hipparcos Input Catalogue

1 reference

IDS 12105+5735 A

Index Catalogue of Visual Double Stars

1 reference

JP11 2194

1 reference

N30 2835

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

1 reference

NSV 5513

New Catalogue of Suspected Variable Stars

1 reference

PLX 2824

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PLX 2824.00

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PMC 90-93 325

Tokyo Photoelectric Meridian Circle Catalog

1 reference

PPM 33469

1 reference

ROT 1795

Catalogue of rotational velocities of the stars

1 reference

TD1 16157

TD1 Catalog of Stellar Ultraviolet Fluxes

1 reference

TYC 3837-1070-1

1 reference

UBV 11008

UBV Photoelectric Photometry Catalogue

1 reference

uvby98 100106591

uvbyβ Photoelectric Photometric Catalogue

1 reference

WDS J12154+5702A

Washington Double Star Catalog

1 reference

HGAM 610

A catalogue of Hgamma measures

1 reference

WEB 10621

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

1 reference

UBV Photoelectric Photometry Catalogue

Gaia DR2 1575287046603149056

1 reference

69 UMa

Flamsteed designation

0 references

Gaia DR3 1575287046603605888

1 reference

TIC 224292240

1 reference

AAVSO 1210+57

1 reference

AG+57 844

1 reference

UBV M 17960

1 reference

1 reference

inferred from equatorial coordinates

distance from Earth

24.8531±0.1577 parsec

1 reference

24.7967±0.1195 parsec

1 reference

stellar rotational velocity

233 kilometre per second

3 references

English Wikipedia

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

215 kilometre per second

1 reference

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

177 kilometre per second

1 reference

Catalogue of rotational velocities of the stars

175 kilometre per second

1 reference

A catalogue of stellar rotational velocities

200 kilometre per second

1 reference

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

parallax

40.2364±0.2553 milliarcsecond

1 reference

56.8±7.8 milliarcsecond

1 reference

The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition

40.51±0.15 milliarcsecond

1 reference

40.05±0.6 milliarcsecond

1 reference

The HIPPARCOS Catalogue

40.3279±0.1945 milliarcsecond

1 reference

declination component of proper motion

9.237±0.41 milliarcsecond per year

1 reference

7.3±0.13 milliarcsecond per year

1 reference

7.81±0.54 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

3 milliarcsecond per year

1 reference

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

−15±10 milliarcsecond per year

1 reference

AGK3

8.141±0.18 milliarcsecond per year

1 reference

right ascension component of proper motion

102.728±0.394 milliarcsecond per year

1 reference

104.11±0.14 milliarcsecond per year

1 reference

103.56±0.56 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

106 milliarcsecond per year

1 reference

105 milliarcsecond per year

1 reference

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

88±8 milliarcsecond per year

1 reference

AGK3

103.947±0.181 milliarcsecond per year

1 reference

radial velocity

−12.9±2 kilometre per second

1 reference

General Catalogue of Stellar Radial Velocities

−15.3±0.5 kilometre per second

1 reference

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

−13.4 kilometre per second

3 references

The revision of the general catalogue of radial velocities

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

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

−6.0 kilometre per second

1 reference

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

−7.7 kilometre per second

1 reference

Radial velocities of 2111 stars

−14.6 kilometre per second

1 reference

New radial velocities of nineteen bright members of the Ursa Major Cluster and the space motion of the nucleus stars

−17.9 kilometre per second

1 reference

The Ursa Major Group

−15.0 kilometre per second

1 reference

The radial velocities of 917 stars

−16.0 kilometre per second

1 reference

Catalogue of observed velocities

−11.0 kilometre per second

1 reference

Preliminary radial velocities of 212 brighter class A stars

−9.0 kilometre per second

1 reference

spectral class

A3V

1 reference

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

A2V

2 references

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

Application of convolutional neural networks for stellar spectral classification

A3Vvar

29 references

Space-velocity vectors for 3483 stars with proper motion and radial velocity

Rotational velocities of stars metallic-line stars in M 39 and the Ursae Major cluster

Stellar groups. VIII. The structure of the Sirius group

Stellar groups. VI. Space motions of the dwarfs A-type and giant M-type stars in the solar neighbourhood

Seven-colour photometry of O, B and A stars

Contribution aux recherches de photometrie photoelectrique dans la Galaxie

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

Photometric criteria for the separation of different population types

Stellar groups. I. The Hyades and Sirius groups

Cluster parallaxes: the nearest clusters

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

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

The color-luminosity array for some galactic clusters

The color-luminosity array for stars near the Sun

Magnitudes and colors for 833 Northern and Southern stars

Three-color observations of 108 stars intended for use as photometric standards

The spectra and rotational velocities of the bright stars of Draper types B8-A2

Some characteristics of color systems

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

Q66616686

Contribution a l'etude de la zone convective des etoiles

Spectral type, magnitude and color-index relations in the galactic star cluster in Coma Berenices

A photoelectric differential classification of A and F stars

The Ursa Major Group

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

A2Vn

1 reference

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

A2

1 reference

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

3.46±0.01

1 reference

UBV photometry of stars whose positions are accurately known. VII

3.41±0.007

1 reference

UBV photometry of stars whose positions are accurately known. VII

3.32±0.009

1 reference

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

3.25

1 reference

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

3.25

1 reference

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

3.11

1 reference

The Volume-limited A-Star (VAST) survey. I. Companions and the unexpected X-ray detection of B6-A7 stars

3.31±0.25

1 reference

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

3.09

1 reference

3.311102±0.003127

1 reference

luminosity

14 solar luminosity

1 reference

https://sv.wikipedia.org/w/index.php?title=Megrez&oldid=46160936

absolute magnitude

1.39

1 reference

https://sv.wikipedia.org/w/index.php?title=Megrez&oldid=46160936

metallicity

−0.6

1 reference

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

radius

1.4 solar radius

1 reference

https://sv.wikipedia.org/w/index.php?title=Megrez&oldid=46160936

epoch

J2000.0

2 references

right ascension

183.85650263625 degree

1 reference

declination

57.03261544611 degree

1 reference

effective temperature

8,670 kelvin

1 reference

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

8,613 kelvin

1 reference

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

8,100 kelvin

1 reference

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

surface gravity

5,000 centimetre per square second

1 reference

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

4,000 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

0.3 gigaannum

1 reference

English Wikipedia

https://en.wikipedia.org/w/index.php?title=Delta_Ursae_Majoris&oldid=1079517042

Identifiers

0 references

1 reference

28 October 2013

0 references

Online PWN Encyclopedia ID

3939337

0 references

SIMBAD ID

* del UMa

1 reference