HD 239960B (Q89885526)

NLTT 53953

New Luyten Two-Tenths catalogue

1 reference

2E 4613

1 reference

8pc 249.52B

1 reference

ADS 15972 B

Aitken Double Star Catalogue

1 reference

BD+56 2783B

1 reference

CCDM J22281+5741B

Catalog of Components of Double and Multiple Stars

1 reference

CSI+56 2783 9

Microfiche edition of CSI

1 reference

GCRV 14124

General Catalogue of Stellar Radial Velocities

1 reference

GJ 860 B

Gliese Catalogue of Nearby Stars

1 reference

HD 239960B

Henry Draper Catalogue

1 reference

LFT 1720

Luyten Five-Tenths catalogue

1 reference

LHS 3815

Luyten Half-Second catalogue

1 reference

LTT 16593

Luyten Two-Tenths catalogue

1 reference

Zkh 332

1 reference

[GKL99] 425

Catalogue and bibliography of the UV Cet-type flare stars and related objects in the solar vicinity

1 reference

[KW97] 63-31

1 reference

[RHG95] 3538

1 reference

1E 2226.1+5726

1 reference

1RXS J222801.1+574145

1 reference

2E 2226.1+5726

1 reference

2EUVE J2228+57.6

The second Extreme Ultraviolet Explorer source catalog

1 reference

EUVE J2228+57.6

The first Extreme Ultraviolet Explorer source catalog

1 reference

WDS J22280+5742B

Washington Double Star Catalog

1 reference

TYC 3991-92-2

1 reference

Gaia DR2 2007876324472098432

1 reference

WEB 19856

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

1 reference

DO Cep

General Catalogue of Variable Stars

0 references

constellation

Cepheus

0 references

distance from Earth

4.0005±0.0118 parsec

1 reference

parallax

249.9668±0.7414 milliarcsecond

1 reference

declination component of proper motion

−686.244±1.41 milliarcsecond per year

1 reference

−392 milliarcsecond per year

1 reference

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

−320±100 milliarcsecond per year

1 reference

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

−399 milliarcsecond per year

1 reference

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

right ascension component of proper motion

−934.098±1.319 milliarcsecond per year

1 reference

−756 milliarcsecond per year

1 reference

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

−711±100 milliarcsecond per year

1 reference

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

−806 milliarcsecond per year

1 reference

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

radial velocity

−28±5 kilometre per second

3 references

General Catalogue of Stellar Radial Velocities

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

Radial velocities and spectral types of 181 dwarf stars

type of variable star

flare star

1 reference

General Catalogue of Variable Stars, 3rd ed.

spectral class

M4V

1 reference

The Solar Neighborhood. VI. New Southern Nearby Stars Identified by Optical Spectroscopy

M6V

1 reference

MK classification of 142 visual binaries

M4:

1 reference

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

9.9113±0.0013

1 reference

−0.25

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Metallicity and photospheric abundances in field K and M dwarfs

1 reference

336.99914834227290 degree

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declination

57.69715187574388 degree

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effective temperature

3,620 kelvin

1 reference