(Q2401329)

HD 191984

Henry Draper Catalogue

1 reference

ADS 13506 AB

Aitken Double Star Catalogue

1 reference

Astronomische Gesellschaft Katalog

2MASS J20123508+0052005

1 reference

AG+00 2474

1 reference

BD+00 4444

1 reference

CCDM J20126+0052AB

Catalog of Components of Double and Multiple Stars

1 reference

CSI+00 4444 3

Catalog of Stellar Identifications

1 reference

HIC 99585

Hipparcos Input Catalogue

1 reference

IDS 20075+0034 AB

Index Catalogue of Visual Double Stars

1 reference

PPM 169562

1 reference

UBV 17431

UBV Photoelectric Photometry Catalogue

1 reference

UCAC3 182-236020

Third USNO CCD Astrograph Catalog

1 reference

UCAC3 182-236021

Third USNO CCD Astrograph Catalog

1 reference

UCAC4 455-107598

Fourth USNO CCD Astrograph Catalog

1 reference

uvby98 100191984

uvbyβ Photoelectric Photometric Catalogue

1 reference

WDS J20126+0052AB

Washington Double Star Catalog

1 reference

WEB 17821

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

1 reference

1 reference

stellar rotational velocity

165 kilometre per second

1 reference

Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i

15 kilometre per second

1 reference

Rotational Velocities of B Stars

parallax

5.41±1.55 milliarcsecond

1 reference

The HIPPARCOS Catalogue

5.54±1.1 milliarcsecond

1 reference

declination component of proper motion

−20.85±0.87 milliarcsecond per year

1 reference

−19.81±1.17 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−23±10 milliarcsecond per year

1 reference

right ascension component of proper motion

AGK3

2.12±1.48 milliarcsecond per year

1 reference

2.1±1.83 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

7±9 milliarcsecond per year

1 reference

AGK3

radial velocity

−19.0 kilometre per second

1 reference

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

−19±7.4 kilometre per second

1 reference

Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations

20.0 kilometre per second

1 reference

The radial velocities of 917 stars

−20.0 kilometre per second

1 reference

The radial velocities of 917 stars

spectral class

A0

1 reference

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

A0Vn+A2IV:pSrCrEu

1 reference

The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars

B9Vn

1 reference

Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5

6.29

1 reference

6.27

1 reference

7.32±0.31

1 reference

VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)

6.128±0.026

astronomical filter

H band

1 reference

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

6.109±0.02

astronomical filter

K band

1 reference

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

luminosity

82 solar luminosity

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_191984&oldid=49356175

absolute magnitude

−0.33

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_191984&oldid=49356175

radius

3.87 solar radius

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_191984&oldid=49356175

epoch

J2000.0

1 reference

right ascension

303.146351503 degree

1 reference

declination

0.867051783 degree

1 reference

has part(s)

HD 191984A

series ordinal

A

1 reference