Kapteyn's Star (Q1048535)

Dutch Wikipedia

mass

0.281 solar mass

1 reference

0.281±0.014 solar mass

1 reference

Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf

Smithsonian Astrophysical Observatory Star Catalog

0 references

GSC 07863-01580

1 reference

SAO 217223

1 reference

GSC 08078-01749

1 reference

2MASS J05114046-4501051

1 reference

HD 33793

Henry Draper Catalogue

1 reference

HIP 24186

1 reference

IRAS 05100-4502

1 reference

GJ 191

Gliese Catalogue of Nearby Stars

1 reference

CPC 0 2725

Cape Photographic Catalogue

1 reference

GCRV 3085

General Catalogue of Stellar Radial Velocities

1 reference

HIC 24186

Hipparcos Input Catalogue

1 reference

JP11 1005

1 reference

LFT 395

Luyten Five-Tenths catalogue

1 reference

LHS 29

Luyten Half-Second catalogue

1 reference

LTT 2200

Luyten Two-Tenths catalogue

1 reference

NLTT 14668

New Luyten Two-Tenths catalogue

1 reference

PLX 1181

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PLX 1181.00

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

UBV 4985

UBV Photoelectric Photometry Catalogue

1 reference

uvby98 100033793

uvbyβ Photoelectric Photometric Catalogue

1 reference

Zkh 69

1 reference

VZ Pic

General Catalogue of Variable Stars

1 reference

AC2000 3505363

The AC 2000: the astrographic catalogue on the system defined by the Hipparcos catalogue

1 reference

Ci 20 319

Catalogue of proper motion stars

1 reference

PM 05097-4500

Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more

1 reference

Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more

Gaia DR2 4810863479417465600

1 reference

PM J05116-4501

1 reference

WEB 4691

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

1 reference

UBV Photoelectric Photometry Catalogue

Gaia DR3 4810863479418041856

1 reference

TIC 200385493

1 reference

GC 6369

Boss General Catalogue

1 reference

TYC 8078-1749-1

1 reference

UBV M 10717

1 reference

time of discovery or invention

discoverer or inventor

Jacobus Kapteyn

0 references

1897

0 references

constellation

Pictor

1 reference

based on heuristic

inferred from equatorial coordinates

distance from Earth

12.78±0.05 light-year

1 reference

3.9335±0.0004 parsec

1 reference

3.91±0.01 parsec

2 references

UBV(RI)CJHK observations of Hipparcos-selected nearby stars

Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf

3.9339±0.0002 parsec

1 reference

stellar rotational velocity

9.15 kilometre per second

2 references

English Wikipedia

Observation and modelling of main-sequence star chromospheres - XIV. Rotation of dM1 stars★

6.1 kilometre per second

1 reference

Ca II HK emission in rapidly rotating stars

1.58±0.42 kilometre per second

1 reference

Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs

2 kilometre per second

1 reference

Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs

−4.2 kilometre per second

1 reference

3.01±0.78 kilometre per second

1 reference

Catalog for the ESPRESSO blind radial velocity exoplanet survey

parallax

255.66±0.91 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

254.2263±0.0263 milliarcsecond

1 reference

256.7±9.2 milliarcsecond

1 reference

The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition

255.26±0.86 milliarcsecond

1 reference

The HIPPARCOS Catalogue

254.1986±0.0168 milliarcsecond

1 reference

declination component of proper motion

−5,709.218±0.051 milliarcsecond per year

1 reference

−5,730.84±0.96 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−5,731.39±0.9 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−5,776±100 milliarcsecond per year

1 reference

Revised coordinates and proper motions of the stars in the Luyten half-second catalog

−5,740 milliarcsecond per year

1 reference

A catalogue of 1474 stars with proper motion exceeding .4"/year

−5,734 milliarcsecond per year

1 reference

A Catalogue of 1849 Stars with Proper Motions greater than 0"5 annually (LHS)

−5,708.614±0.021 milliarcsecond per year

1 reference

−5,705 milliarcsecond per year

1 reference

right ascension component of proper motion

6,491.474±0.049 milliarcsecond per year

1 reference

6,505.08±0.98 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

6,506.05±0.95 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

6,546±100 milliarcsecond per year

1 reference

Revised coordinates and proper motions of the stars in the Luyten half-second catalog

6,600 milliarcsecond per year

1 reference

A catalogue of 1474 stars with proper motion exceeding .4"/year

6,527 milliarcsecond per year

1 reference

A Catalogue of 1849 Stars with Proper Motions greater than 0"5 annually (LHS)

6,491.223±0.018 milliarcsecond per year

1 reference

6,593 milliarcsecond per year

1 reference

radial velocity

244.99±0.18 kilometre per second

1 reference

242±5 kilometre per second

3 references

Catalogue of observed velocities

Three stars of great radial velocity

General Catalogue of Stellar Radial Velocities

245.2 kilometre per second

1 reference

The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ∼14 000 F and G dwarfs

245.19±0.1 kilometre per second

1 reference

Radial Velocities for 889 Late‐Type Stars

245.5 kilometre per second

2 references

The revision of the general catalogue of radial velocities

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

227.0 kilometre per second

1 reference

A photometric and spectroscopic survey of large proper-motion stars

249.7 kilometre per second

1 reference

Radial velocities and three-colour photometry of 52 stars with large proper motions

245.3 kilometre per second

1 reference

Fundamental data for Southern stars (4th list)

242.0 kilometre per second

2 references

Catalogue of observed velocities

Three stars of great radial velocity

245.234±0 kilometre per second

1 reference

Gaia Data Release 2. The catalogue of radial velocity standard stars

245.234±0.0004 kilometre per second

1 reference

Gaia Data Release 2. The catalogue of radial velocity standard stars

type of variable star

BY Draconis variable

2 references

General catalogue of variable stars: Version GCVS 5.1

spectral class

sdM1.0

1 reference

M-Subdwarfs: Spectroscopic Classification and the Metallicity Scale

M0

2 references

G.P. Kuiper's spectral classifications of proper-motion stars

Trumpeting M dwarfs with CONCH-SHELL: a catalogue of nearby cool host-stars for habitable exoplanets and life

M1VIp

1 reference

The Perkins catalog of revised MK types for the cooler stars

M3

1 reference

Radial velocities and three-colour photometry of 52 stars with large proper motions

M0V

2 references

On the identification of subdwarfs

Fundamental data for Southern stars (4th list)

K2

1 reference

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

dM1

1 reference

M0.0

1 reference

HADES RV programme with HARPS-N at TNG. XII. The abundance signature of M dwarf stars with planets

sdM1

1 reference

The Palomar/MSU Nearby-Star Spectroscopic Survey. I. The Northern M Dwarfs -Bandstrengths and Kinematics

UBV(RI)CJHK observations of Hipparcos-selected nearby stars

8.853

1 reference

UBV(RI)CJHK observations of Hipparcos-selected nearby stars

11.624

1 reference

UBV(RI)CJHK observations of Hipparcos-selected nearby stars

10.433

1 reference

UBV(RI)CJHK observations of Hipparcos-selected nearby stars

7.9

1 reference

UBV(RI)CJHK observations of Hipparcos-selected nearby stars

6.899

1 reference

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

5.821±0.026

1 reference

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

5.316±0.027

1 reference

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

5.049±0.021

1 reference

8.063552±0.002783

1 reference

absolute magnitude

10.43

1 reference

metallicity

−0.99

1 reference

Metallicity measurements using atomic lines in M and K dwarf stars

−0.50

1 reference

The composition of Kapteyn's star and the M subdwarfs

−0.84

1 reference

Stellar population models in the UV. I. Characterisation of the New Generation Stellar Library

−0.86

1 reference

Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf

−0.532

1 reference

The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades

−1

1 reference

Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs

−0.082

1 reference

−0.4

1 reference

HADES RV programme with HARPS-N at TNG. XII. The abundance signature of M dwarf stars with planets

−0.9

1 reference

Catalog for the ESPRESSO blind radial velocity exoplanet survey

−0.59

1 reference

Stellar atmospheric parameters for 754 spectra from the X-shooter Spectral Library

radius

0.291 solar radius

1 reference

0.29±0.025 solar radius

1 reference

Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf

diameter

475,000±15,300 kilometre

1 reference

Observation and modelling of main-sequence star chromospheres - XIV. Rotation of dM1 stars★

2 references

77.91912433145708 degree

1 reference

declination

−45.01843381524333 degree

1 reference

effective temperature

3,695 kelvin

1 reference

Trumpeting M dwarfs with CONCH-SHELL: a catalogue of nearby cool host-stars for habitable exoplanets and life

3,570 kelvin

1 reference

Metallicity measurements using atomic lines in M and K dwarf stars

3,524 kelvin

1 reference

The composition of Kapteyn's star and the M subdwarfs

3,722 kelvin

1 reference

Stellar population models in the UV. I. Characterisation of the New Generation Stellar Library

3,671 kelvin

1 reference

The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades

4,976 kelvin

1 reference

3,571 kelvin

1 reference

HADES RV programme with HARPS-N at TNG. XII. The abundance signature of M dwarf stars with planets

3,626 kelvin

1 reference

Catalog for the ESPRESSO blind radial velocity exoplanet survey

3,698 kelvin

1 reference

Stellar atmospheric parameters for 754 spectra from the X-shooter Spectral Library

3,550±50 kelvin

1 reference

Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf

surface gravity

91,000 centimetre per square second

1 reference

Metallicity measurements using atomic lines in M and K dwarf stars

74,000 centimetre per square second

1 reference

The composition of Kapteyn's star and the M subdwarfs

51,000 centimetre per square second

1 reference

Stellar population models in the UV. I. Characterisation of the New Generation Stellar Library

101,600 centimetre per square second

1 reference

The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades

21,000 centimetre per square second

1 reference

80,000 centimetre per square second

1 reference

HADES RV programme with HARPS-N at TNG. XII. The abundance signature of M dwarf stars with planets

65,000 centimetre per square second

1 reference

Stellar atmospheric parameters for 754 spectra from the X-shooter Spectral Library

age estimated by a dating method

8±7.5 gigaannum

1 reference

Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf