VLA Image of Torus in Cygnus A

nrao_NRAO

Credit: B. Saxton NRAO/AUI/NSF

VLA image of the central region of the powerful radio galaxy Cygnus A, showing the doughnut-shaped torus surrounding the black hole and accretion disk.

Provider: National Radio Astronomy Observatory

Image Source: https://public.nrao.edu/?post_type=release=13504

Curator: NRAO/AUI/NSF, Charlottesville, Virginia, USA

Image Use Policy: Creative Commons Attribution 3.0 Unported license (http://creativecommons.org/licenses/by/3.0/)

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Image Details

Image Type: Observation
Object Name: Cygnus A
Subject - Local Universe: Galaxy > Activity > AGN

Distance

756,700,000 light years

Position Details

Position: RA = 19h 59m 28.3s; DEC = 40° 44’ 2.1”
Field of View: 0.0 x 0.0 arcminutes
Constellation: Cygnus

Color Mapping

	Telescope	Spectral Band	Wavelength
	VLA	Radio (C)	8.9 mm

ID: NRAO
Subject Category: C.5.3.2
Subject Name: Cygnus A
Credits: B. Saxton NRAO/AUI/NSF

Release Date
Lightyears: 7.567E+8
Redshift: 7.567E+8
Reference Url: https://public.nrao.edu/?post_type=release=13504

Type: Observation
Image Quality: Good
Distance Notes

Facility: VLA
Instrument
Color Assignment: Pseudocolor

Band: Radio
Bandpass: C
Central Wavelength: 8.9489E+06

Start Time: 2016-10-21
Integration Time
Dataset ID
Notes

Coordinate Frame
Equinox: J2000
Reference Value: 299.8681031, 40.73392197
Reference Dimension: 1446, 700

Reference Pixel: 172, 83.421296
Scale: 3.4459993184259E-7, 3.4382986264288E-7
Rotation
Coordinate System Projection:

Quality
FITS Header
Notes

Creator (Curator): NRAO/AUI/NSF
URL: https://public.nrao.edu
Name: NRAO/AUI/NSF
Email: outreach@nrao.edu

Telephone
Address: 520 Edgemont Road
City: Charlottesville
State/Province: Virginia

Postal Code: 22903
Country: USA
Rights: Creative Commons Attribution 3.0 Unported license (http://creativecommons.org/licenses/by/3.0/)

Publisher: NRAO/AUI/NSF
Publisher ID: nrao
Resource ID

Resource URL: https://public.nrao.edu/wp-content/uploads/2019/03/nrao19df01c.jpg
Related Resources

Metadata Date: 2019-04-03T09:42:04-04:00
Metadata Version: 1.1

Detailed color mapping information coming soon...

756,700,000 light years