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Summary

DescriptionMark421-U3WS2701M.jpg	English: Cropped Hubble Space Telescope image of Blazar Markarian 421 with companion galaxy 421-5.
Date	May 24 1999 12:03PM
Source	Hubble Legacy Archive Image: 07281_27 WFPC2 F814W/F555W (color) B2+1101+38 (WFPC2 F555W PC1)
Author	Hubble Legacy Archive
Permission (Reusing this file)	ACKNOWLEDGMENT FOR PUBLICATIONS --> Credit: NASA / STScI / Roberto Fanti All refereed publications based on data obtained from the HLA are requested to carry the following footnote: Based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA). In addition, publications of research supported by an STScI grant must carry the following acknowledgment: Support for Program number ____________ was provided by NASA through a grant from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Incorporated, under NASA contract NAS5-26555.

Licensing

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	07:05, 13 April 2010		353 × 362 (36 KB)	Kheider	== {{int:filedesc}} == {{Information \|Description={{en\|1=Cropped Hubble Space Telescope image of Blazar Markarian 421 with companion galaxy 421-5.}} \|Source=[http://hla.stsci.edu/hlaview.

File usage

The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Markarian galaxies

Global file usage

The following other wikis use this file:

Usage on ar.wikipedia.org
- مجرات ماركاريان
- ماركاريان 421
Usage on es.wikipedia.org
- Markarian 421
Usage on fr.wikipedia.org
- Markarian 421
- Galaxie de Markarian
Usage on he.wikipedia.org
- בלאזר
Usage on hr.wikipedia.org
- Gama astronomija
Usage on it.wikipedia.org
- Markarian 421
Usage on no.wikipedia.org
- Blazar
Usage on pl.wikipedia.org
- Markarian 421
Usage on pt.wikipedia.org
- Galáxias Markarianas
Usage on ru.wikipedia.org
- Маркарян 421
- Галактики Маркаряна
Usage on sh.wikipedia.org
- Gama astronomija
Usage on sv.wikipedia.org
- Blazar
- BL Lacertae-objekt
Usage on www.wikidata.org
- Q201968
Usage on zh.wikipedia.org
- 馬克仁星系

Metadata

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