HD 20644 (Q3780756)

HD 20644

Smithsonian Astrophysical Observatory Star Catalog

Henry Draper Catalogue

1 reference

HIP 15549

1 reference

IRAS 03173+2852

1 reference

SAO 75871

1 reference

Astronomische Gesellschaft Katalog

2MASS J03202038+2902545

1 reference

GSC 01796-01306

1 reference

AG+28 342

1 reference

BD+28 516

1 reference

FK5 2234

1 reference

GC 3981

Boss General Catalogue

1 reference

GCRV 1846

General Catalogue of Stellar Radial Velocities

1 reference

HIC 15549

Hipparcos Input Catalogue

1 reference

IRC +30062

General Catalogue of Trigonometric Stellar Parallaxes

Two-Micron Sky Survey

1 reference

JP11 768

1 reference

PLX 693

1 reference

PLX 693.00

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PMC 90-93 1216

Tokyo Photoelectric Meridian Circle Catalog

1 reference

PPM 92402

1 reference

RAFGL 477

The Revised AFGL (RAFGL) catalogue

1 reference

ROT 454

Catalogue of rotational velocities of the stars

1 reference

TYC 1796-1306-1

1 reference

UBV 3211

UBV Photoelectric Photometry Catalogue

1 reference

UBV M 9449

Photoelectric catalogue, magnitudes and colors of stars in the UBV and UCBV systems

1 reference

YZ 28 1649

Yale Observatory Zone Catalog

1 reference

DO 9880

Dearborn Observatory Catalogue

1 reference

WEB 2987

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

1 reference

Gaia DR2 119186137034100736

1 reference

1 reference

184.0333±11.356 parsec

1 reference

stellar rotational velocity

17 kilometre per second

sourcing circumstances

less than

1 reference

Catalogue of rotational velocities of the stars

8 kilometre per second

1 reference

A catalogue of stellar rotational velocities

parallax

5.4338±0.3353 milliarcsecond

1 reference

5.09±0.9 milliarcsecond

1 reference

The HIPPARCOS Catalogue

6.01±0.25 milliarcsecond

1 reference

declination component of proper motion

−17.099±0.422 milliarcsecond per year

1 reference

−16.91±0.23 milliarcsecond per year

1 reference

−16.42±0.7 milliarcsecond per year

1 reference

right ascension component of proper motion

The HIPPARCOS Catalogue

−6.35±0.627 milliarcsecond per year

1 reference

−7.71±0.23 milliarcsecond per year

1 reference

−8.21±0.83 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

radial velocity

−2.1±0.9 kilometre per second

3 references

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

Catalogue of observed velocities

General Catalogue of Stellar Radial Velocities

−3.09 kilometre per second

1 reference

Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data

−3.09±0.28 kilometre per second

1 reference

Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data

−2.8 kilometre per second

1 reference

Sixth catalogue of fundamental stars (FK6). Part III. Additional stars with direct solutions

−3.1 kilometre per second

1 reference

Wave-lengths for radial-velocity determinations based on measures of one hundred F- to M-type stars

−2.1 kilometre per second

2 references

Catalogue of observed velocities

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

−1.4 kilometre per second

1 reference

The radial velocities of 915 stars

spectral class

K4III

3 references

Photoelectric measurements of the lambda 4200 A CN band and the G band in G8-K5 spectra

Intensities of isotopic C bands in the spectra of 12 N-type stars

Preliminary list of photoelectric classification indices for 234 bright Northern G and K stars

K3IIIaBa0.5

1 reference

The Perkins catalog of revised MK types for the cooler stars

K3IIIa_Ba0.5

1 reference

The Perkins catalog of revised MK types for the cooler stars

K2II-III

4 references

The abundance of Lithium and convective mixing in stars of type K

Axial Rotation and Line Broadening in Stars of Spectral Types F0-K5

The Spectra of the Bright Stars of Types F5-K5

K5

1 reference

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

7.81

1 reference

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

6.02

B band

1 reference

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

4.47

V band

1 reference

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

3.27

R band

1 reference

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

2.39

I band

1 reference

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

3.7898±0.0035

1 reference

1.74

1 reference

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

0.821±0.192

H band

1 reference

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

0.80

K band

1 reference

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

absolute magnitude

−1.63

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_20644&oldid=49684659

metallicity

0.07

1 reference

Red giants in the vicinity of open clusters. Field stars

−0.31

1 reference

High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances

−0.14

1 reference

Parameters and abundances in luminous stars

−0.44

1 reference

Precise radial velocities of giant stars. III. Spectroscopic stellar parameters

epoch

J2000.0

1 reference

right ascension

50.08483796250 degree

1 reference

declination

29.04845698194 degree

1 reference

effective temperature

4,160 kelvin

1 reference

Red giants in the vicinity of open clusters. Field stars

4,100 kelvin

1 reference

Precise radial velocities of giant stars. III. Spectroscopic stellar parameters

4,073 kelvin

1 reference

Parameters and abundances in luminous stars

3,980 kelvin

1 reference

High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances

surface gravity

36 centimetre per square second

1 reference

High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances

7 centimetre per square second

1 reference

Parameters and abundances in luminous stars

45 centimetre per square second

1 reference

Precise radial velocities of giant stars. III. Spectroscopic stellar parameters

30 centimetre per square second

1 reference