7C 1219+2830 (Q31899492)

CAIRNS J122131.69+281358.5

Cluster and Infall Region Nearby Survey

1 reference

1ES 1218+28.5

Einstein Slew survey, Version No. 1

1 reference

FIRST J122131.6+281358

Faint Images of the Radio Sky at Twenty-Centimeters

1 reference

Revised and Updated Catalog of Quasi-stellar Objects

2MASS J12213168+2813585

1 reference

NVSS J122131+281358

1 reference

QSO B1219+28

1 reference

1RXS J122131.1+281402

1 reference

SDSS J122131.69+281358.4

Sloan Digital Sky Survey

1 reference

QSO B1219+285

Revised and Updated Catalog of Quasi-stellar Objects

1 reference

3FHL J1221.5+2813

3FHL: The Third Catalog of Hard Fermi-LAT Sources

1 reference

2EG J1222+2821

The second EGRET catalog of high-energy gamma-ray sources

1 reference

2EGS J1222+2821

Supplement to the second EGRET catalog of high-energy gamma-ray sources

1 reference

3EG J1222+2841

The Third EGRET Catalog of High‐Energy Gamma‐Ray Sources

1 reference

B2 1219+28

A catalogue of 3235 radio sources at 408 MHz

1 reference

B2.2 1219+28

A catalogue of 3235 radio sources at 408 MHz

1 reference

INTREF 489

High-energy sources before INTEGRAL. INTEGRAL reference catalog

1 reference

OHIO N 231

A High-Sensivity Survey of the North Polar Galactic Region at 1415 MHz

1 reference

A 610.5 MHz survey of the sky between declinations +40 and +44 degrees

Gaia DR1 4010020199008338176

1 reference

VRO 28.12.02

1 reference

WB 1219+2830

A new catalog of 30239 1.4 GHz sources

1 reference

RX J1221.5+2814

X-ray survey of the Large Magellanic Cloud by ROSAT

1 reference

RX J1221.5+2813

X-ray survey of the Large Magellanic Cloud by ROSAT

1 reference

[ZEH2003] RX J1221.5+2814 2

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

1 reference

CGRaBS J1221+2813

CGRaBS: An All‐Sky Survey of Gamma‐Ray Blazar Candidates

1 reference

[MGL2009] BZB J1221+2813

Roma-BZCAT: a multifrequency catalogue of blazars

1 reference

2FGL J1221.4+2814

Fermi Large Area Telescope second source catalog

1 reference

GB6 B1219+2830

The GB6 catalog of radio sources

1 reference

3FGL J1221.4+2814

Fermi Large Area Telescope third source catalog

1 reference

Gaia DR2 4010020203303760640

1 reference

ATO J185.3820+28.2329

1 reference

TIC 285095960

1 reference

2E 2673

1 reference

2E 1219.0+2830

1 reference

AAVSO 1216+28

1 reference

AN 10.1916

1 reference

BWE 1219+2830

1 reference

GeV J1222+2837

1 reference

IERS B1219+285

1 reference

JVAS J1221+2813

1 reference

JVAS B1219+285

1 reference

RGB J1221+282

1 reference

RORF 1219+285

1 reference

S3 1219+28

1 reference

TXS 1219+285

1 reference

W Com

General Catalogue of Variable Stars

1 reference

[ATZ98] D115

Identification of a complete sample of northern ROSAT all-sky survey X-ray sources. III. The catalog

1 reference

[DGT2001] B1219+285

1 reference

[GGR94] 1219+285

1 reference

[HB93] 1219+285

1 reference

[IN88] 1219+285

1 reference

[VYP98] 1219+285

1 reference

[W72] 1219+28

1 reference

EGR J1222+2845

1 reference

87GB 121900.8+283039

1 reference

ICRF J122131.6+281358

1 reference

RGB J1221.5+2813

1 reference

[VV2000b] J122131.7+281358

1 reference

[VV2003b] J122131.7+281358

1 reference

[VV2006b] J122131.7+281358

1 reference

[VV98b] J122131.7+281358

1 reference

1AGL J1222+2851

1 reference

NRAO 1219+28

1 reference

VIPS J12215+2813

1 reference

VIPS 550

1 reference

0FGL J1221.7+2814

1 reference

1FGL J1221.5+2814

1 reference

[VV2010b] J122131.7+281358

1 reference

2XMM J122131.6+281358

1 reference

IVS B1219+285

1 reference

WISE J122131.69+281358.5

1 reference

[MML2015] 5BZB J1221+2813

1 reference

LINEAR 3472523

1 reference

MASIV J1221+2813

1 reference

1FHL J1221.6+2814

1 reference

MITG J122132+2814

1 reference

[P82] 1219+285

1 reference

[CRJ2004] J1221.5+2813

1 reference

CLASS J122131.6935+281358.496

1 reference

WISE J122131.68+281358.4

1 reference

TeV J1221+282

1 reference

9Y-MST J1221+2813

1 reference

WISEA J122131.68+281358.4

1 reference

4FGL J1221.5+2814

1 reference

0 references

0.103

1 reference

Spectroscopy of the largest ever {gamma}-ray-selected BL Lac sample

0.102

4 references

Survey of instantaneous 1-22 GHz spectra of 550 compact extragalactic objects with declinations from $-30^\circ$ to $+43^\circ$

Hard X-ray properties of blazars

The ROSAT AGN content of the 87GB 5 GHz survey: bulk properties of previously optically identified sources

Redshift obtained from literature by the Ned team prior to november 1992

0.102000

4 references

Redshift obtained from literature by the Ned team prior to november 1992

The ROSAT AGN content of the 87GB 5 GHz survey: bulk properties of previously optically identified sources

Survey of instantaneous 1-22 GHz spectra of 550 compact extragalactic objects with declinations from $-30^\circ$ to $+43^\circ$

Hard X-ray properties of blazars

0.10289±0.00016

1 reference

declination component of proper motion

−0.026±0.061 milliarcsecond per year

1 reference

0.008±0.011 milliarcsecond per year

1 reference

The VLBA Extragalactic Proper Motion Catalog and a Measurement of the Secular Aberration Drift

right ascension component of proper motion

0.253±0.085 milliarcsecond per year

1 reference

−0.005±0.016 milliarcsecond per year

1 reference

The VLBA Extragalactic Proper Motion Catalog and a Measurement of the Secular Aberration Drift

radial velocity

29,266±0 kilometre per second

2 references

The seventh data release of the Sloan Digital Sky Survey

16.81

1 reference

A catalogue of quasars and active nuclei: 13th edition

16.11

V band

1 reference

A catalogue of quasars and active nuclei: 13th edition

14.24

R band

1 reference

CGRaBS: An All‐Sky Survey of Gamma‐Ray Blazar Candidates

15.6063±0.0149

1 reference

12.478±0.026

1 reference

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

11.742±0.035

H band

1 reference

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

10.972±0.021

K band

1 reference

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

15.877±0.005

u' band

2 references

The seventh data release of the Sloan Digital Sky Survey

15.379±0.003

g' band

2 references

The seventh data release of the Sloan Digital Sky Survey

15.045±0.004

r' band

2 references

The seventh data release of the Sloan Digital Sky Survey

14.771±0.004

i' band

2 references

The seventh data release of the Sloan Digital Sky Survey

14.568±0.005

z' band

2 references

The seventh data release of the Sloan Digital Sky Survey

1 reference

185.38204268606020 degree

1 reference

declination

28.23291677328520 degree

1 reference