IR Comae Berenices (Q88403290)

cataclysmic variable star

1 reference

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astrophysical X-ray source

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catalog code

2MASS J12393201+2108062

1 reference

AAVSO 1234+21

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SV* SON 10932

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[DWS97] Com 1

A Catalog and Atlas of Cataclysmic Variables: The Living Edition

1 reference

X-ray survey of the Large Magellanic Cloud by ROSAT

1RXS J123930.6+210815

1 reference

RX J1239.5+2108

1 reference

[ZEH2003] RX J1239.5+2108 1

The Hamburg/RASS Catalogue of optical identifications. Northern high-galactic latitude ROSAT Bright Source Catalogue X-ray sources

1 reference

SDSS J123932.00+210806.2

Sloan Digital Sky Survey

1 reference

SDSS J123931.99+210806.2

Sloan Digital Sky Survey

1 reference

General Catalogue of Variable Stars

Gaia DR2 3955313418148878080

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IR Com

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TIC 347332400

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SDSS J123932.01+210806.2

Sloan Digital Sky Survey

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0.00124±0.00303

2 references

The seventh data release of the Sloan Digital Sky Survey

distance from Earth

220.6726±3.8811 parsec

1 reference

parallax

4.5316±0.0797 milliarcsecond

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declination component of proper motion

−0.66±0.062 milliarcsecond per year

1 reference

right ascension component of proper motion

−29.479±0.117 milliarcsecond per year

1 reference

radial velocity

372±0 kilometre per second

2 references

The seventh data release of the Sloan Digital Sky Survey

spectral class

DA+M

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New white dwarf stars in the Sloan Digital Sky Survey Data Release 10

15.032±0.041

1 reference

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

14.611±0.053

H band

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

14.582±0.086

K band

1 reference

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

18.249±0.015

u' band

2 references

The seventh data release of the Sloan Digital Sky Survey

17.255±0.011

z' band

2 references

The seventh data release of the Sloan Digital Sky Survey

18.332±0.007

g' band

2 references

The seventh data release of the Sloan Digital Sky Survey

18.408±0.007

r' band

2 references

The seventh data release of the Sloan Digital Sky Survey

18.047±0.008

i' band

2 references

The seventh data release of the Sloan Digital Sky Survey

16.7193±0.0179

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189.88341535641150 degree

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declination

21.13507347821040 degree

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effective temperature

9,576 kelvin

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