(Q74740366)

[VV2006c] J074903.2+452053

1 reference

[VV2010c] J074903.2+452053

1 reference

SDSS J074903.24+452053.6

catalog

Sloan Digital Sky Survey

1 reference

1RXS J074904.9+452018

1 reference

Gaia DR2 926439396529679488

1 reference

0.2007

1 reference

A catalog of quasar properties from the Baryon Oscillation Spectroscopic Survey

0.20114±0.00003

1 reference

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

0.201144

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

0.201144±0.000034

1 reference

The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

0.20099±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

declination component of proper motion

−0.097±0.322 milliarcsecond per year

1 reference

right ascension component of proper motion

0.708±0.358 milliarcsecond per year

1 reference

radial velocity

54,336±0 kilometre per second

1 reference

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

18.972±0.022

1 reference

19.32

B band

1 reference

A catalogue of quasars and active nuclei: 13th edition

18.89

V band

1 reference

A catalogue of quasars and active nuclei: 13th edition

18.709±0.008

g' band

1 reference

18.244±0.008

r' band

1 reference

17.855±0.008

i' band

1 reference

17.841±0.024

z' band

1 reference

18.2524±0.0067

1 reference

1 reference

117.26353014788520 degree

1 reference

declination

45.34821273558010 degree

1 reference