(Q74705343)

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

3XMM J021938.6-032507

catalog

1 reference

SWIRE J021938.70-032508.2

1 reference

USNO-A2.0 0825-00541932

1 reference

GALEX 2693022852033020080

1 reference

[VV2010c] J021938.7-032508

1 reference

5MUSES 25

1 reference

5MUSES J021938.70-032508.2

1 reference

SDSS J021938.71-032508.2

catalog

Sloan Digital Sky Survey

1 reference

Gaia DR2 2492947830625430784

1 reference

0.4357

1 reference

A catalog of quasar properties from the Baryon Oscillation Spectroscopic Survey

0.43541±0.00004

2 references

The eleventh and twelfth data releases of the Sloan Digital Sky Survey: final data from SDSS-III

0.435409

2 references

The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

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

0.435409±0.000036

1 reference

The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

0.435

2 references

The Spitzer mid-infrared active galactic nucleus survey. I. Optical and near-infrared spectroscopy of obscured candidates and normal active galactic nuclei selected in the mid-infrared

Infrared luminosities and aromatic features in the 24 {mu}m flux-limited sample of 5MUSES

declination component of proper motion

0.217±0.769 milliarcsecond per year

1 reference

right ascension component of proper motion

−0.335±0.906 milliarcsecond per year

1 reference

radial velocity

103,875±0 kilometre per second

1 reference

A spectroscopic survey of X-ray-selected AGNs in the northern XMM-XXL field

15.53

1 reference

The Spitzer mid-infrared active galactic nucleus survey. I. Optical and near-infrared spectroscopy of obscured candidates and normal active galactic nuclei selected in the mid-infrared

16.22

H band

1 reference

The Spitzer mid-infrared active galactic nucleus survey. I. Optical and near-infrared spectroscopy of obscured candidates and normal active galactic nuclei selected in the mid-infrared

16.900

J band

1 reference

The Spitzer mid-infrared active galactic nucleus survey. I. Optical and near-infrared spectroscopy of obscured candidates and normal active galactic nuclei selected in the mid-infrared

19±0.4

1 reference

19.1±0.3

1 reference

20.063±0.045

1 reference

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

19.891±0.016

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

19.622±0.019

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

19.288±0.02

i' band

1 reference

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

19.092±0.051

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

19.6396±0.0065

1 reference

1 reference

34.91131864110140 degree

1 reference

declination

−3.41895618274480 degree

1 reference