(Q3304623)

HD 157661

Catalog of Components of Double and Multiple Stars

Henry Draper Catalogue

1 reference

HIP 85389

1 reference

2MASS J17265191-4550350

1 reference

CCDM J17268-4550AB

1 reference

CD-45 11531

Cordoba Durchmusterung

1 reference

CEL 4514

Celescope Catalogue of Ultraviolet Magnitudes

1 reference

CPC 0 16195

Cape Photographic Catalogue

1 reference

CPD-45 8580

Cape Photographic Durchmusterung

1 reference

CSI-45 11531 23

Catalog of Stellar Identifications

1 reference

GCRV 10067

General Catalogue of Stellar Radial Velocities

1 reference

HIC 85389

Hipparcos Input Catalogue

1 reference

NSV 8637

New Catalogue of Suspected Variable Stars

1 reference

PPM 322964

1 reference

UBV 14832

UBV Photoelectric Photometry Catalogue

1 reference

uvby98 100157661

uvbyβ Photoelectric Photometric Catalogue

1 reference

WDS J17269-4551AB

Washington Double Star Catalog

1 reference

WEB 14424

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

1 reference

1 reference

5.44±0.97 milliarcsecond

1 reference

The HIPPARCOS Catalogue

5.13±0.72 milliarcsecond

1 reference

declination component of proper motion

−27.91±0.39 milliarcsecond per year

1 reference

−27.58±0.6 milliarcsecond per year

1 reference

right ascension component of proper motion

The HIPPARCOS Catalogue

−6.46±0.98 milliarcsecond per year

1 reference

−6.43±1.22 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

radial velocity

8.0 kilometre per second

2 references

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

The revision of the general catalogue of radial velocities

−9±10 kilometre per second

2 references

Radial velocities of 351 stars observed at the Chile station of the Lick Observatory in the period 1924 to 1929

General Catalogue of Stellar Radial Velocities

8±3.1 kilometre per second

1 reference

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

8 kilometre per second

1 reference

The revision of the general catalogue of radial velocities

−9.0 kilometre per second

1 reference

Radial velocities of 351 stars observed at the Chile station of the Lick Observatory in the period 1924 to 1929

spectral class

B9

1 reference

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

B8V

1 reference

Catalogue of two dimentional spectral types for the HD stars, Vol. 2

B8V+B9V

1 reference

Close visual binaries. I. MK classifications

5.2

1 reference

5.272

1 reference

5.396±0.02

1 reference

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

5.43±0.04

astronomical filter

H band

1 reference

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

5.381±0.021

astronomical filter

K band

1 reference

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

luminosity

340.31 solar luminosity

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_157661&oldid=49839300

absolute magnitude

−1.17

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_157661&oldid=49839300

radius

4.93 solar radius

1 reference

imported from Wikimedia project

Swedish Wikipedia

Wikimedia import URL

https://sv.wikipedia.org/w/index.php?title=HD_157661&oldid=49839300

epoch

J2000.0

1 reference

right ascension

261.716575091 degree

1 reference

declination

−45.843030437 degree

1 reference

effective temperature

12,106 kelvin

1 reference

Rotational velocities of A-type stars. IV. Evolution of rotational velocities

has part(s)

HD 157661B

series ordinal

B

1 reference