BP Crucis (Q27989892)

rotating ellipsoidal variable

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high-mass X-ray binary

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low-mass X-ray binary

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mass

43 solar mass

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Second USNO CCD Astrograph Catalog

GSC 08979-01108

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2MASS J12263756-6246132

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UCAC2 4126327

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MSX6C G300.0980-00.0351

MSX6C Infrared Point Source Catalog. The Midcourse Space Experiment Point Source Catalog Version 2.3 (October 2003)

1 reference

SBC9 724

Eighth catalogue of the orbital elements of spectroscopic binary systems

1 reference

1XRS 12238-624

A catalog of X-ray sources

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2U 1223-62

The UHURU catalog of X-ray souces

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3A 1223-624

The Ariel V (3A) catalogue of X-ray sources - II. Sources at high galactic latitude ( b > 10 )

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3U 1223-62

The third UHURU catalog of X-ray sources

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4U 1223-624

The fourth UHURU catalog of X-ray sources

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4U 1223-62

The fourth UHURU catalog of X-ray sources

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GPS 1222-625

A survey of the galactic plane with EXOSAT

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INTREF 497

High-energy sources before INTEGRAL. INTEGRAL reference catalog

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TYC 8979-1108-1

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PBC J1226.6-6246

The Palermo Swift-BAT hard X-ray catalogue. II. Results after 39 months of sky survey

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1SXPS J122637.1-624610

1SXPS: a deep Swift X-ray telescope point source catalog with light curves and spectra

1 reference

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

Gaia DR1 6054569561285282304

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WEB 10801

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General Catalogue of Variable Stars

Gaia DR2 6054569565614460800

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BP Cru

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constellation

Crux

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English Wikipedia

distance from Earth

4.1 kiloparsec

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The RXTE/ASM X-ray light curve of GX 301-2

stellar rotational velocity

55 kilometre per second

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English Wikipedia

parallax

0.2525±0.035 milliarcsecond

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0.34±0.75 milliarcsecond

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Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties

declination component of proper motion

−2.166±0.049 milliarcsecond per year

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right ascension component of proper motion

−5.303±0.051 milliarcsecond per year

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spectral class

B1.5Iaeq

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The spectroscopic orbit of WRA 977 (=X-ray source 4U 1223-62)

12.7±0.36

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10.66±0.07

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9.7575±0.0012

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6.717±0.021

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

6.077±0.029

astronomical filter

H band

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

5.672±0.017

astronomical filter

K band

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

luminosity

470,000 solar luminosity

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absolute magnitude

−7.47

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radius

70 solar radius

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186.65650295348810 degree

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declination

−62.77034989038580 degree

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effective temperature

18,100 kelvin

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