BC Cygni (Q3631788)

AG+37 1969

Astronomische Gesellschaft Katalog

1 reference

BD+37 3903

1 reference

GCRV 12716

General Catalogue of Stellar Radial Velocities

1 reference

GSC 03152-01032

1 reference

HIC 100404

Hipparcos Input Catalogue

1 reference

HIP 100404

1 reference

IRAS 20197+3722

1 reference

IRC +40409

Two-Micron Sky Survey

1 reference

JP11 159

1 reference

PPM 84789

1 reference

RAFGL 2560

The Revised AFGL (RAFGL) catalogue

1 reference

TYC 3152-1032-1

1 reference

UBV M 2807

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

1 reference

BC Cyg

General Catalogue of Variable Stars

1 reference

Dearborn Observatory Catalogue

2MASS J20213855+3731589

1 reference

DO 18917

1 reference

UCAC2 45060141

Second USNO CCD Astrograph Catalog

1 reference

WEB 18123

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

1 reference

Gaia DR2 2060971294293250944

1 reference

0 references

0.7517±0.1009 milliarcsecond

1 reference

2.84±0.87 milliarcsecond

1 reference

The HIPPARCOS Catalogue

1.2±0.75 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

declination component of proper motion

−5.835±0.206 milliarcsecond per year

1 reference

−5.85±0.72 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−5.36±0.74 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−18±8 milliarcsecond per year

1 reference

right ascension component of proper motion

AGK3

−3.856±0.155 milliarcsecond per year

1 reference

−3.64±0.64 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−4.5±0.68 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−30±9 milliarcsecond per year

1 reference

AGK3

radial velocity

−22.85±0.45 kilometre per second

1 reference

−3±5 kilometre per second

3 references

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

A survey of the spectra and radial velocities of the less regular M-type variable stars

General Catalogue of Stellar Radial Velocities

−3±4.5 kilometre per second

1 reference

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

−3.0 kilometre per second

2 references

A survey of the spectra and radial velocities of the less regular M-type variable stars

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

type of variable star

SRC semiregular

1 reference

General Catalogue of Variable Stars (Samus+ 2007-2011)

spectral class

M

1 reference

Spectral classification of five red variables

M4

1 reference

Reddened Early m- and S-Type Stars Near the Galactic Equator

M3I

1 reference

The Effective Temperature Scale of Galactic Red Supergiants: Cool, but Not as Cool as We Thought

M4Ia

2 references

The possible OH source BC Cygni

Spectral properties of luminous late-type stars

M4I

1 reference

Spectral type and luminosity classification of late-type M stars from near-infrared image tube coude spectrograms

M3.5Ia

1 reference

On the near-infrared excesses of very cool supergiants

14.61

1 reference

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

11.30

astronomical filter

V band

1 reference

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

6.6002±0.0064

1 reference

1.96

1 reference

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

0.77

astronomical filter

H band

1 reference

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

0.25

astronomical filter

K band

1 reference

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

1 reference

BCCygLightCurve.png
1,500 × 975; 114 KB

0 references

right ascension

305.41061705422200 degree

1 reference

declination

37.53303271775750 degree

1 reference

effective temperature

3,673 kelvin

1 reference