(Q12063409)

Hipparcos Input Catalogue

HIC 107864

catalog

1 reference

JP11 97

1 reference

TD1 30949

TD1 Catalog of Stellar Ultraviolet Fluxes

1 reference

TYC 2214-1198-1

1 reference

UBV 18719

UBV Photoelectric Photometry Catalogue

1 reference

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

UBV M 1808

catalog

1 reference

uvbyβ Photoelectric Photometric Catalogue

uvby98 002804211

catalog

1 reference

Gaia DR2 1897151272994229120

1 reference

1 reference

113.608±1.4017 parsec

1 reference

parallax

8.8022±0.1086 milliarcsecond

1 reference

9.63±1.71 milliarcsecond

1 reference

The HIPPARCOS Catalogue

10.89±1.46 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

declination component of proper motion

−56.851±0.187 milliarcsecond per year

1 reference

−58.74±1.33 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−57.85±1.57 milliarcsecond per year

1 reference

right ascension component of proper motion

The HIPPARCOS Catalogue

−34.728±0.183 milliarcsecond per year

1 reference

−35.55±1.39 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−34.41±1.61 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

radial velocity

−12.0 kilometre per second

1 reference

The luminosity of the blue star BD +28 4211

spectral class

sdO

3 references

A peculiar O star at high galactic latitude

Optical observations of ultraviolet objects. II. Classification and photometry (l= 0 to 145)

A spectroscopic survey and analysis of bright, hydrogen-rich white dwarfs

sdO2VIIIHe5

1 reference

An MK-like system of spectral classification for hot subdwarfs

DA

1 reference

A Catalog of Spectroscopically Identified White Dwarfs

8.922

1 reference

Optical Multicolor Photometry of Spectrophotometric Standard Stars

10.25±0.03

1 reference

10.58±0.05

1 reference

10.656

1 reference

Optical Multicolor Photometry of Spectrophotometric Standard Stars

10.831

astronomical filter

I band

1 reference

Optical Multicolor Photometry of Spectrophotometric Standard Stars

10.4589±0.001

1 reference

11.275±0.026

1 reference

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

11.438±0.036

astronomical filter

H band

1 reference

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

11.556±0.028

astronomical filter

K band

1 reference

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

metallicity

−0.58

1 reference

A Non-LTE analysis of the hot subdwarf O star BD+28{deg}4211. I. The UV spectrum

1 reference

327.79592537746040 degree

1 reference

declination

28.86399058080330 degree

1 reference

effective temperature

82,000 kelvin

1 reference

A Non-LTE analysis of the hot subdwarf O star BD+28{deg}4211. I. The UV spectrum

surface gravity

1,600,000 centimetre per square second

1 reference