Herschel's View of NGC 1097

Nhsc_nhsc2017-004b_500

nhsc_nhsc2017-004b September 20th, 2017

Credit: ESA/Herschel/NASA/JPL-Caltech CC BY-SA 3.0 IGO; Acknowledgement: R. Hurt (JPL-Caltech)

Portrayed in this image by ESA's Herschel Space Observatory is NGC 1097, a barred spiral galaxy located some fifty million light-years from us, in the southern constellation Fornax, the Furnace.

The blue regions sprinkled across the galaxy's two spiral arms are sites of intense star formation. There, the energy from newborn stars has heated up the dust interspersed in the interstellar gas, making it glow at the far-infrared and sub-millimetre wavelengths probed by Herschel.

The dwarf elliptical galaxy NGC 1097A, a small satellite of NGC 1097, can be seen as the fuzzy blue blob in the top right, halfway between the two spiral arms.

The bright core of the NGC 1097, surrounded by a glowing ring where most of the galaxy's prodigious star formation is taking place, conceals a supermassive black hole about a hundred million times the mass of our Sun. This black hole is actively devouring matter from its vicinity, causing the galactic core to shine brightly across the electromagnetic spectrum, from X-rays to radio waves.

This galaxy was first discovered and originally identified as a nebula in the late 18th century in optical observations by William Herschel, the astronomer after whom the Herschel Space Observatory is named. Despite the source's location in the southern sky, it was still visible a few degrees above the horizon at the site in England where Herschel made his observations.

This three-colour image combines Herschel observations at 70 and 100 microns (blue), 160 and 250 microns (green), and 350 and 500 microns (red). North is up and east to the left.

Image Source: /image/nhsc/nhsc2017-004b

Curator: NASA Herschel Science Center, Pasadena, CA, USA

Image Use Policy: Public Domain

Image Details

Image Type
Observation
Object Name
NGC 1097

Distance

Universescale2
50,000,000 light years
Nhsc_nhsc2017-004b_128
 

Position Details

Position (ICRS)
RA = 2h 46m 19.2s
DEC = -30° 16’ 29.5”
Orientation
North is up
Field of View
18.1 x 18.1 arcminutes
Constellation
Fornax
Nhsc_nhsc2017-004b_1280
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ID
nhsc2017-004b
Subject Category
Subject Name
NGC 1097
Credits
ESA/Herschel/NASA/JPL-Caltech CC BY-SA 3.0 IGO; Acknowledgement: R. Hurt (JPL-Caltech)
Lightyears
50,000,000
Redshift
Reference Url
/image/nhsc/nhsc2017-004b
Type
Observation
Image Quality
Good
Distance Notes
Facility
Instrument
Color Assignment
Band
Bandpass
Central Wavelength
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
41.5800529, -30.2748739
Reference Dimension
675.0, 675.0
Reference Pixel
338.5, 338.5
Scale
-0.000447555, 0.00044755487
Rotation
0.000000
Coordinate System Projection:
TAN
Quality
Full
FITS Header
Notes
WCS retrieved using CXCs PinpointWCS
Creator (Curator)
NASA Herschel Science Center
URL
http://www.herschel.caltech.edu/
Name
Email
Telephone
Address
1200 E. California Blvd.
City
Pasadena
State/Province
CA
Postal Code
91125
Country
USA
Rights
Public Domain
Publisher
NASA Herschel Science Center
Publisher ID
nhsc
Resource ID
Resource URL
/image/nhsc/nhsc2017-004b
Related Resources
Metadata Date
2017-09-20T17:32:57Z
Metadata Version
1.1
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Detailed color mapping information coming soon...

 

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Universescalefull
50,000,000 light years