BD+19 4690 (Q66548081)

CCDM J21221+1949B

Catalog of Components of Double and Multiple Stars

1 reference

GSC 01671-00987

1 reference

2MASS J21220326+1948403

1 reference

PPM 140017

1 reference

SAO 107072

Smithsonian Astrophysical Observatory Star Catalog

1 reference

UBV 18441

UBV Photoelectric Photometry Catalogue

1 reference

UBV M 987

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

1 reference

UCAC2 38893058

Second USNO CCD Astrograph Catalog

1 reference

UCAC3 220-295190

Third USNO CCD Astrograph Catalog

1 reference

WDS J21221+1948B

Washington Double Star Catalog

1 reference

YZ 19 8712

Yale Observatory Zone Catalog

1 reference

SBC9 1301

Eighth catalogue of the orbital elements of spectroscopic binary systems

1 reference

AG+19 2172

1 reference

BD+19 4690

1 reference

TYC 1671-987-1

1 reference

PMSC 21175+1922B

MSC - a catalogue of physical multiple stars

1 reference

PMSC 21175+1922Bab

MSC - a catalogue of physical multiple stars

1 reference

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

Gaia DR1 1790202567235352832

1 reference

WEB 19157

1 reference

Washington Double Star Catalog

Gaia DR2 1790202571530814464

1 reference

1 reference

distance from Earth

50.0551±0.1689 parsec

1 reference

parallax

19.978±0.0674 milliarcsecond

1 reference

20.4±0.94 milliarcsecond

1 reference

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

declination component of proper motion

79.908±0.122 milliarcsecond per year

1 reference

right ascension component of proper motion

96.556±0.134 milliarcsecond per year

1 reference

radial velocity

−79.76±2.89 kilometre per second

1 reference

−76.8 kilometre per second

1 reference

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

spectral class

K5V

1 reference

The Spectroscopic Absolute Magnitudes and Parallaxes of 4179 Stars

K0V

1 reference

Spectral classification of visual binaries having primaries above the main sequence

8.258±0.016

1 reference

7.475±0.011

1 reference

8.869±0.021

1 reference

Third U.S. Naval Observatory CCD Astrograph Catalog (UCAC3)

8.9432±0.0002

1 reference

7.602±0.043

1 reference

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

7.173±0.049

astronomical filter

H band

1 reference

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

7.1±0.027

astronomical filter

K band

1 reference

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

1 reference

320.51368886909590 degree

1 reference

declination

19.81110525723620 degree

1 reference