(Q79608987)

1 reference

1RXS J121548.5+670625

1 reference

[BFE95] 119

1 reference

RX J1215.8+6706

X-ray survey of the Large Magellanic Cloud by ROSAT

1 reference

SDSS J121549.91+670621.7

1 reference

SDSS J121549.92+670621.8

1 reference

[VV2000c] J121549.8+670620

1 reference

[VV2003c] J121549.8+670620

1 reference

[VV2006c] J121549.8+670620

1 reference

[VV96] J121549.8+670621

A catalogue of quasars and active nuclei (7th Edition)

1 reference

[VV98] J121549.8+670620

1 reference

[ZEH2003] RX J1215.8+6706 1

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

1 reference

SDSS J121549.90+670621.7

1 reference

2MASS J12154985+6706218

1 reference

[VV2010c] J121549.8+670620

1 reference

SDSS J121549.91+670621.8

1 reference

3XMM J121549.9+670622

The XMM-Newton serendipitous survey. V. The Second XMM-Newton serendipitous source catalogue

1 reference

Gaia DR2 1681615078048897920

1 reference

0 references

0.264000

3 references

AGN from the ROSAT all-sky survey

A Large, Uniform Sample of X-Ray-emitting AGNs: Selection Approach and an Initial Catalog from theROSATAll-Sky and Sloan Digital Sky Surveys

The Sloan Digital Sky Survey Quasar Catalog. II. First Data Release

0.26393±0.00125

1 reference

The SDSS Photometric Catalog, Release 7

0.26392±0.00004

1 reference

The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey

0.264261

2 references

Constraint on the time variation of the fine-structure constant with the SDSS-III/BOSS DR12 quasar sample

The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

0.264261±0.000072

1 reference

The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

0.2635

1 reference

A catalog of quasar properties from the Baryon Oscillation Spectroscopic Survey

parallax

0.1159±0.1513 milliarcsecond

1 reference

declination component of proper motion

0.406±0.2 milliarcsecond per year

1 reference

right ascension component of proper motion

0.084±0.251 milliarcsecond per year

1 reference

radial velocity

68,960±0 kilometre per second

1 reference

The SDSS Photometric Catalog, Release 9

18.283±0.014

1 reference

The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey

17.281±0.015

z' band

1 reference

The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey

16.567±0.142

J band

1 reference

The Sloan Digital Sky Survey quasar catalog. V. Seventh data release

15.662±0.174

H band

1 reference

The Sloan Digital Sky Survey quasar catalog. V. Seventh data release

14.869±0.103

K band

1 reference

The Sloan Digital Sky Survey quasar catalog. V. Seventh data release

18.55

B band

1 reference

A catalogue of quasars and active nuclei: 13th edition

18.27

V band

1 reference

A catalogue of quasars and active nuclei: 13th edition

17.874±0.008

i' band

1 reference

The SDSS Photometric Catalog, Release 7

18.151±0.006

g' band

1 reference

The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey

17.895±0.006

r' band

1 reference

The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey

18.2838±0.0116

1 reference

1 reference

183.95798816810420 degree

1 reference

declination

67.10604092458590 degree

1 reference