SBC9 1232 A (Q114632220)

Results from the 2009 campaign on WR 140

part of

SBC9 1232

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mass

20.5±3.2 solar mass

sourcing circumstances

uncertainty

1 reference

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

35.9±1.3 solar mass

1 reference

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

29.27±1.14 solar mass

1 reference

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

catalog code

ADS 13736 A

Aitken Double Star Catalogue

1 reference

CCDM J20205 4351A

Catalog of Components of Double and Multiple Stars

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IDS 20171 4332 A

Index Catalogue of Visual Double Stars

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WDS J20205 4351A

Washington Double Star Catalog

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child astronomical body

WR 140

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distance from Earth

1,859.427±81.942 parsec

determination method

parallax

1 reference

1,518±21 parsec

determination method

parallax

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

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right ascension component of proper motion

−4.275±0.027 milliarcsecond per year

1 reference

spectral class

O4-5

1 reference

SB9: The ninth catalogue of spectroscopic binary orbits

O5

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Search for and study of hot circumstellar dust envelopes

O5.5fc

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

radius

35 solar radius

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Results from the 2009 campaign on WR 140

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305.11653944924 degree

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declination

43.85451579467 degree

1 reference