WR 140 (Q114632222)

Orbital Elements and Individual Component Masses from Joint Spectroscopic and Astrometric Data of Double-line Spectroscopic Binaries

14.9±0.5 solar mass

1 reference

First visual orbit for the prototypical colliding-wind binary WR 140

10.31±0.45 solar mass

1 reference

The orbit and stellar masses of the archetype colliding-wind binary WR 140

catalog code

ADS 13736 B

Aitken Double Star Catalogue

1 reference

CCDM J20205+4351B

Catalog of Components of Double and Multiple Stars

1 reference

IDS 20171+4332 B

Index Catalogue of Visual Double Stars

1 reference

WDS J20205+4351B

Washington Double Star Catalog

1 reference

determination method or standard

parent astronomical body

SBC9 1232 A

0 references

distance from Earth

1,859.427±81.942 parsec

parallax

1 reference

determination method or standard

1,518±21 parsec

parallax

1 reference

The orbit and stellar masses of the archetype colliding-wind binary WR 140

orbital eccentricity

0.9060

1 reference

Orbital Elements and Individual Component Masses from Joint Spectroscopic and Astrometric Data of Double-line Spectroscopic Binaries

0.8996

1 reference

A spectroscopic multiplicity survey of Galactic Wolf-Rayet stars: I. The northern WC sequence

0.8993±0.0013

1 reference

The orbit and stellar masses of the archetype colliding-wind binary WR 140

orbital period

7.9232 year

1 reference

Orbital Elements and Individual Component Masses from Joint Spectroscopic and Astrometric Data of Double-line Spectroscopic Binaries

7.938 year

1 reference

A spectroscopic multiplicity survey of Galactic Wolf-Rayet stars: I. The northern WC sequence

7.992 year

1 reference

The orbit and stellar masses of the archetype colliding-wind binary WR 140

declination component of proper motion

−1.874±0.026 milliarcsecond per year

1 reference

right ascension component of proper motion

−4.275±0.027 milliarcsecond per year

1 reference

spectral class

WC7

1 reference

SB9: The ninth catalogue of spectroscopic binary orbits

WC7p

1 reference

Search for and study of hot circumstellar dust envelopes

WC7pd

2 references

The orbit and stellar masses of the archetype colliding-wind binary WR 140

Spectroscopy of the archetype colliding-wind binary WR 140 during the 2009 January periastron passage

1 reference

305.11653944924 degree

1 reference

declination

43.85451579467 degree

1 reference