Datei:NGC 4845 - Potw1601a.tif

Breaking News
ESA/Hubble & NASA and S. Smartt (Queen's University Belfast) / CC BY 4.0

Datei:NGC 4845 - Potw1601a.tif

Originaldatei ‎(1.373 × 1.076 Pixel, Dateigröße: 2,35 MB, MIME-Typ: image/tiff)

Diese Datei stammt aus Wikimedia Commons und kann von anderen Projekten verwendet werden. Die Beschreibung von deren Dateibeschreibungsseite wird unten angezeigt.

Beschreibung

Beschreibung
English: This NASA/ESA Hubble Space Telescope image shows the spiral galaxy NGC 4845, located over 65 million light-years away in the constellation of Virgo (The Virgin). The galaxy’s orientation clearly reveals the galaxy’s striking spiral structure: a flat and dust-mottled disc surrounding a bright galactic bulge. NGC 4845’s glowing centre hosts a gigantic version of a black hole, known as a supermassive black hole. The presence of a black hole in a distant galaxy like NGC 4845 can be inferred from its effect on the galaxy’s innermost stars; these stars experience a strong gravitational pull from the black hole and whizz around the galaxy’s centre much faster than otherwise. From investigating the motion of these central stars, astronomers can estimate the mass of the central black hole — for NGC 4845 this is estimated to be hundreds of thousands times heavier than the Sun. This same technique was also used to discover the supermassive black hole at the centre of our own Milky Way — Sagittarius A* — which hits some four million times the mass of the Sun (potw1340a). The galactic core of NGC 4845 is not just supermassive, but also super-hungry. In 2013 researchers were observing another galaxy when they noticed a violent flare at the centre of NGC 4845. The flare came from the central black hole tearing up and feeding off an object many times more massive than Jupiter. A brown dwarf or a large planet simply strayed too close and was devoured by the hungry core of NGC 4845. 
About the Object
Name:	NGC 4845
Type:	• Local Universe : Galaxy : Activity : AGN
       • Early Universe : Galaxy : Type : Spiral
Distance:	65 million light years 
Constellation:	Virgo

Coordinates
Position (RA):	12 58 1.49
Position (Dec):	1° 34' 32.38"
Field of view:	2.29 x 1.79 arcminutes
Orientation:	North is 28.0° left of vertical

Colours & filters Band	Wavelength	Telescope
Optical V 606 nm	Hubble Space Telescope WFPC2
Infrared I 814 nm	Hubble Space Telescope WFPC2
Optical B 450 nm	Hubble Space Telescope WFPC2
.
Datum
Quelle http://www.spacetelescope.org/images/potw1601a/
Urheber ESA/Hubble & NASA and S. Smartt (Queen's University Belfast)

Lizenz


Namensnennung
Namensnennung
 ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
Conditions:
  • The full image or footage credit must be presented in a clear and readable manner to all users, with the wording unaltered (for example: "ESA/Hubble"). Web texts should be credited to ESA/Hubble (except when used by media). The credit should not be hidden or disassociated from the image footage. Links should be active if the credit is online. See the usage rights Q&A section on the ESA copyright page for guidance.
  • ESA/Hubble materials may not be used to state or imply the endorsement by ESA/Hubble or any ESA/Hubble employee of a commercial product or service.
  • ESA/Hubble requests a copy of the product sent to them to be indexed in their archive.
  • If an image shows an identifiable person, using that image for commercial purposes may infringe that person's right of privacy, and separate permission should be obtained from the individual.
  • If images or visuals are changed significantly from the original work (apart from resizing, cropping), we suggest that the changes are mentioned after the credit line. For example "Original image by ESA/Hubble (M. Kornmesser), warping and recolouring by NN".

Notes:

  • Note that this general permission does not extend to the use of ESA/Hubble's logo, which shall remain protected and may not be used or reproduced without prior and individual written consent of ESA/Hubble.
  • Also note that music, scientific papers and code on the esahubble.org site are not released under this license and can not be used for non-ESA/Hubble products.
  • By reproducing ESA/Hubble material, in part or in full, the user acknowledges the terms on which such use is permitted.
w:de:Creative Commons
Namensnennung
Diese Datei ist lizenziert unter der Creative-Commons-Lizenz „Namensnennung 4.0 international“.
Namensnennung:
ESA/Hubble
Dieses Werk darf von dir
  • verbreitet werden – vervielfältigt, verbreitet und öffentlich zugänglich gemacht werden
  • neu zusammengestellt werden – abgewandelt und bearbeitet werden
Zu den folgenden Bedingungen:
  • Namensnennung – Du musst angemessene Urheber- und Rechteangaben machen, einen Link zur Lizenz beifügen und angeben, ob Änderungen vorgenommen wurden. Diese Angaben dürfen in jeder angemessenen Art und Weise gemacht werden, allerdings nicht so, dass der Eindruck entsteht, der Lizenzgeber unterstütze gerade dich oder deine Nutzung besonders.

Kurzbeschreibungen

Ergänze eine einzeilige Erklärung, was diese Datei darstellt.

In dieser Datei abgebildete Objekte

Motiv

Dateigröße

2.460.532 Byte

Höhe

1.076 Pixel

Breite

1.373 Pixel

MIME-Typ

image/tiff

Prüfsumme

0a6aef4c6888123788c97cf2e38f26234c62dcc8

Bestimmungsmethode oder -standard: SHA-1

Dateiversionen

Klicke auf einen Zeitpunkt, um diese Version zu laden.

Version vomVorschaubildMaßeBenutzerKommentar
aktuell19:05, 4. Jan. 2016Vorschaubild der Version vom 19:05, 4. Jan. 20161.373 × 1.076 (2,35 MB)wikimediacommons>Fabian RRRR=={{int:filedesc}}== {{Information |description={{en|1=This NASA/ESA Hubble Space Telescope image shows the spiral galaxy NGC 4845, located over 65 million light-years away in the constellation of Virgo (The Virgin). The galaxy’s orientation clearly...

Die folgende Seite verwendet diese Datei:

Metadaten

Diese Datei enthält weitere Informationen, die in der Regel von der Digitalkamera oder dem verwendeten Scanner stammen. Durch nachträgliche Bearbeitung der Originaldatei können einige Details verändert worden sein.

Abgerufen von „https://www.cosmos-indirekt.de/Physik-Schule/Datei:NGC_4845_-_Potw1601a.tif“