Markarian 501 (Q6770566)

astrophysical X-ray source

sub-millimetric source

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MRK 0501 2MASS.jpg
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IRAS Z16522+3950

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PGC 59214

Principal Galaxies Catalogue

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2MASX J16535220+3945369

Two Micron All-Sky Survey, Extended source catalogue

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MCG+07-35-002

Morphological Catalogue of Galaxies

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UGC 10599

Uppsala General Catalogue

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1ES 1652+39.8

Einstein Slew survey, Version No. 1

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The second Extreme Ultraviolet Explorer source catalog

1RXS J165352.6+394538

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2EUVE J1653+39.7

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2MASS J16535222+3945365

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4C 39.49

Fourth Cambridge Survey

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6C 165212+395036

Sixth Cambridge Survey of radio sources

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7C 165211.80+395026.00

Seventh Cambridge Survey

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EUVE J1653+39.7

The first Extreme Ultraviolet Explorer source catalog

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FIRST J165352.2+394536

Faint Images of the Radio Sky at Twenty-Centimeters

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ICRF J165352.2+394536

International Celestial Reference Frame

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NVSS J165352+394536

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QSO B1652+39

Revised and Updated Catalog of Quasi-stellar Objects

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QSO B1652+398

Revised and Updated Catalog of Quasi-stellar Objects

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QSO J1653+3945

Revised and Updated Catalog of Quasi-stellar Objects

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RBS 1610

ROSAT All-Sky Survey Bright Source Catalogue

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SDSS J165352.22+394536.5

Sloan Digital Sky Survey

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UZC J165352.3+394537

Updated Zwicky Catalog

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Z 225-7

Catalogue of Galaxies and Clusters of Galaxies

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Z 1652.2+3950

Catalogue of Galaxies and Clusters of Galaxies

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LEDA 59214

Lyon-Meudon Extragalactic Database

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3FHL J1653.8+3945

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

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3A 1653+398

The Ariel V (3A) catalogue of X-ray sources - II. Sources at high galactic latitude ( b > 10 )

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4U 1651+39

The fourth UHURU catalog of X-ray sources

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Anon 1652+39

Asiago Supernova Catalogue (Version 2008-Mar)

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B2 1652+39 A

A catalogue of 3235 radio sources at 408 MHz

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B2.3 1652+39 A

A catalogue of 3235 radio sources at 408 MHz

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B3 1652+398

Structures, spectral indexes, and optical identifications of radio sources selected from the B3 catalogue

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CJF B1652+398

A Complete Flux-Density--limited VLBI Survey of 293 Flat-Spectrum Radio Sources

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INTREF 725

High-energy sources before INTEGRAL. INTEGRAL reference catalog

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OHIO S 387

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

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PKS 1652+398

The Parkes catalogue of radio sources. Declination zone +20 to +27

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S4 1652+39

The 5-GHz strong source surveys. IV. Survey of the area between declination 35 and 70deg and summary of source counts, spectra and optical identifications

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S4 1652+398

The 5-GHz strong source surveys. IV. Survey of the area between declination 35 and 70deg and summary of source counts, spectra and optical identifications

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RXTE all-sky slew survey. Catalog of X-ray sources at |b|>10{deg}

Gaia DR1 1352838625783347968

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XSS J16536+3951

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RX J1653.8+3945

X-ray survey of the Large Magellanic Cloud by ROSAT

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RX J1653.9+3945

X-ray survey of the Large Magellanic Cloud by ROSAT

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[ZEH2003] RX J1653.8+3945 1

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

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CGRaBS J1653+3945

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

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[MGL2009] BZB J1653+3945

Roma-BZCAT: a multifrequency catalogue of blazars

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PBC J1653.8+3945

The Palermo Swift-BAT hard X-ray catalogue. II. Results after 39 months of sky survey

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2FGL J1653.9+3945

Fermi Large Area Telescope second source catalog

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GB6 J1653+3945

The GB6 catalog of radio sources

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GB6 B1652+3950

The GB6 catalog of radio sources

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WB 1652+3950

A new catalog of 30239 1.4 GHz sources

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3FGL J1653.9+3945

Fermi Large Area Telescope third source catalog

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2MAXI J1653+398

The 37 month MAXI/GSC source catalog of the high galactic-latitude sky

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ARGO J1654+3945

TeV GAMMA-RAY SURVEY OF THE NORTHERN SKY USING THE ARGO-YBJ DETECTOR

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2FHL J1653.9+3945

2FHL: the second catalog of hard Fermi-LAT sources

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imported from Wikimedia project

Gaia DR2 1352838630075616384

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discoverer or inventor

Beniamin Margaryan

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French Wikipedia

Wikimedia import URL

https://fr.wikipedia.org/w/index.php?title=Markarian_501&oldid=146993827

time of discovery or invention

1974

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imported from Wikimedia project

French Wikipedia

Wikimedia import URL

https://fr.wikipedia.org/w/index.php?title=Markarian_501&oldid=146993827

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0.03348

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Redshifts for a sample of radio-selected poor clusters

0.033647

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The K‐Band Galaxy Luminosity Function

0.034

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The VSOP 5 GHz continuum survey: the prelaunch VLBA observations

Hard X-ray properties of blazars

The Hubble Space Telescope Survey of BL Lacertae Objects. II. Host Galaxies

0.033

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

0.0328

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The First Caltech--Jodrell Bank VLBI Survey. I. lambda = 18 Centimeter Observations of 87 Sources

0.0335

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

0.0337

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An update of the optical identification status of the S4 radio source catalogue

0.033663±0.000073

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Third Reference Catalogue of Bright Galaxies, Version 9

distance from Earth

148 megaparsec

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declination component of proper motion

0.277±0.18 milliarcsecond per year

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Gaia Data Release 2. Summary of the contents and survey properties

right ascension component of proper motion

Gaia Data Release 2

0.478±0.14 milliarcsecond per year

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Gaia Data Release 2. Summary of the contents and survey properties

Gaia Data Release 2

radial velocity

9,925.4±16.5 kilometre per second

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Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope

9,922.3±16.4 kilometre per second

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Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope

9,955.3±14.5 kilometre per second

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Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope

9,888±13.6 kilometre per second

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Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope

9,934.1±15.2 kilometre per second

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Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope

10,092 kilometre per second

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Galaxy groups: a 2MASS catalog

9,730 kilometre per second

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galaxy morphological type

-4.9

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The K‐Band Galaxy Luminosity Function

14.09±0.14

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14.15±0.13

B band

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13.29±0.13

V band

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8.26

R band

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

14.1566±0.0054

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10.669±0.02

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The Two Micron All Sky Survey (2MASS)

9.874±0.024

H band

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The Two Micron All Sky Survey (2MASS)

9.573±0.027

K band

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The Two Micron All Sky Survey (2MASS)

15.345±0.006

u' band

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13.841±0.002

g' band

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13.032±0.002

r' band

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12.621±0.002

i' band

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12.33±0.002

z' band

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epoch

J2000.0

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The second realization of the international celestial reference frame by very long baseline interferometry

right ascension

253.467569520583 degree

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The second realization of the international celestial reference frame by very long baseline interferometry

declination

39.760169151611 degree

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