Blooming of the Spare Tyre Nebula

Noirlab_iotw2344a_1024

noirlab_iotw2344a November 1st, 2023

Credit: International Gemini Observatory/NOIRLab/NSF/AURA Image processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), J. Miller (Gemini Observatory/NSF’s NOIRLab), M. Rodriguez (Gemini Observatory/NSF’s NOIRLab), & M. Zamani (NSF’s NOIRLab)

IC 5148, nicknamed the Spare Tyre Nebula, is a beautiful planetary nebula located about 3000 light-years away near the ‘neck’ of the southern constellation Grus (The Crane). This image, captured with the Gemini South telescope, one half of the International Gemini Observatory operated by NSF’s NOIRLab, showcases the looming cloud of gas of IC 1548 and the central stellar remnant from which the gas radiates. It’s one of the fastest expanding planetary nebulae, pushing out into space at 180,000 kilometers per hour (112,000 miles per hour). With small telescopes, this nebula looks like a bright central star with an outer ring. The mesmerizing layers of gas are faint. They are almost undetectable without the use of larger telescopes, and not with the clarity captured in this image using the Gemini Multi-Object Spectrograph (GMOS) on Gemini South. Around the time IC 5148 was discovered by astronomers in 1894, researchers coined the term planetary nebula to refer to these giant gaseous balls that looked like giant planets. Today we know that these balls are in fact stellar remnants. At the center of IC 5148 is a white dwarf, the hot core of the dying star, surrounded by asymmetrical gaseous ‘blooms’ and a faint halo ring. The predecessor of the white dwarf was likely a star of a similar mass to our Sun. At the end of that star’s life, the internal pressure imbalance resulted in the star swelling up into a red giant. As it grew, the outer layers of the gas and stellar material were pushed into space to form the nebula we see today. The central hole — the dark patch surrounding the star — is due to the pressure of the radiation from the star that pushes the surrounding gas away from the core and leaves a vacant space. The formation of the ring and the bow-like structures of gas are marks of the evolutionary history of IC 5148 — but the mechanisms that created them remain a mystery to astronomers.

Provider: NOIRLab

Image Source: https://noirlab.edu/public/images/iotw2344a/

Curator: NSF's NOIRLab, Tucson, AZ, USA

Image Use Policy: Creative Commons Attribution 4.0 International License

Image Details

Image Type
Observation
Object Name
IC 5148
Noirlab_iotw2344a_128
 

Position Details

Position (ICRS)
RA = 21h 59m 35.2s
DEC = -39° 23’ 14.8”
Orientation
North is 14.9° CW
Field of View
5.5 x 4.9 arcminutes
Constellation
Grus

Color Mapping

  Telescope Spectral Band Wavelength
Blue Gemini-S (GMOS-S) Optical (g) 475.0 nm
Green Gemini-S (GMOS-S) Optical (r) 630.0 nm
Red Gemini-S (GMOS-S) Optical (i) 780.0 nm
Orange Gemini-S (GMOS-S) Optical (H-alpha) 656.0 nm
Cyan Gemini-S (GMOS-S) Optical (OIII) 499.0 nm
Spectrum_base
Blue
Green
Red
Orange
Cyan
Noirlab_iotw2344a_1280
×
ID
iotw2344a
Subject Category
Subject Name
IC 5148
Credits
International Gemini Observatory/NOIRLab/NSF/AURA Image processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), J. Miller (Gemini Observatory/NSF’s NOIRLab), M. Rodriguez (Gemini Observatory/NSF’s NOIRLab), & M. Zamani (NSF’s NOIRLab)
Release Date
2023-11-01T12:00:00
Lightyears
Redshift
Reference Url
https://noirlab.edu/public/images/iotw2344a/
Type
Observation
Image Quality
Distance Notes
Facility
Gemini South, Gemini South, Gemini South, Gemini South, Gemini South
Instrument
GMOS-S, GMOS-S, GMOS-S, GMOS-S, GMOS-S
Color Assignment
Blue, Green, Red, Orange, Cyan
Band
Optical, Optical, Optical, Optical, Optical
Bandpass
g, r, i, H-alpha, OIII
Central Wavelength
475, 630, 780, 656, 499
Start Time
Integration Time
Dataset ID
None, None, None, None, None
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
329.89665355878645, -39.3874578215741
Reference Dimension
2063.0, 1845.0
Reference Pixel
1031.5, 922.5
Scale
-4.4504777564234537e-05, 4.4504777564234537e-05
Rotation
-14.920000000000023
Coordinate System Projection:
TAN
Quality
Full
FITS Header
Notes
Creator (Curator)
NSF's NOIRLab
URL
https://noirlab.edu
Name
Email
Telephone
Address
950 North Cherry Ave.
City
Tucson
State/Province
AZ
Postal Code
85719
Country
USA
Rights
Creative Commons Attribution 4.0 International License
Publisher
NSF's NOIRLab
Publisher ID
noirlab
Resource ID
iotw2344a
Metadata Date
2023-09-19T19:00:22+02:00
Metadata Version
1.1
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Detailed color mapping information coming soon...

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There is no distance meta data in this image.

 

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