DECam captures NGC 1433 before supernova SN 2026ahvu

Noirlab_noirlab2628e_1024

noirlab_noirlab2628e November 12th, 2026

Credit: Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA Acknowledgment: PIs: G. Narayan & T. Murphey (University of Illinois at Urbana-Champaign) Image processing: M. Zamani & D. de Martin (NSF NOIRLab)

This image shows spiral galaxy NGC 1433 before the detection of supernova SN 2026ahvu. It was taken with the U.S. Department of Energy-fabricated Dark Energy Camera (DECam), mounted on the U.S. National Science Foundation Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory (CTIO), a Program of NSF NOIRLab. DECam captured this image as part of observations for the Dark Energy Survey (DES), a survey led by DOE’s Fermi National Accelerator Laboratory, conducted from 2013–2019, to investigate the nature of dark energy. Images of NGC 1433 taken with DECam after SN 2026ahvu was detected on 2 November are allowing astronomers to compare the environment pre- and post-explosion to learn more about the progenitor system.

Provider: NOIRLab

Image Source: https://noirlab.edu/public/images/noirlab2628e/

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

Image Use Policy: Creative Commons Attribution 4.0 International License

Image Details Image Details

Image Type
Observation
Object Name
NGC 1433
Noirlab_noirlab2628e_128
 

Position Details Position Details

Position (ICRS)
RA = 3h 42m 1.6s
DEC = -47° 13’ 18.9”
Orientation
North is up
Field of View
14.2 x 9.9 arcminutes
Constellation
Horologium

Color Mapping Details Color Mapping

  Telescope Spectral Band Wavelength
Red NSF Víctor M. Blanco 4-meter Telescope (DECam) Optical (z) 926.0 nm
Red NSF Víctor M. Blanco 4-meter Telescope (DECam) Optical (i) 784.0 nm
Green NSF Víctor M. Blanco 4-meter Telescope (DECam) Optical (r) 642.0 nm
Blue NSF Víctor M. Blanco 4-meter Telescope (DECam) Optical (g) 473.0 nm
Spectrum_base
Red
Red
Green
Blue
Noirlab_noirlab2628e_1280
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ID
noirlab2628e
Subject Category
Subject Name
NGC 1433
Credits
Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA Acknowledgment: PIs: G. Narayan & T. Murphey (University of Illinois at Urbana-Champaign) Image processing: M. Zamani & D. de Martin (NSF NOIRLab)
Release Date
2026-11-12T14:23:32
Lightyears
Redshift
Reference Url
https://noirlab.edu/public/images/noirlab2628e/
Type
Observation
Image Quality
Distance Notes
Facility
NSF Víctor M. Blanco 4-meter Telescope, NSF Víctor M. Blanco 4-meter Telescope, NSF Víctor M. Blanco 4-meter Telescope, NSF Víctor M. Blanco 4-meter Telescope
Instrument
DECam, DECam, DECam, DECam
Color Assignment
Red, Red, Green, Blue
Band
Optical, Optical, Optical, Optical
Bandpass
z, i, r, g
Central Wavelength
926, 784, 642, 473
Start Time
Integration Time
Dataset ID
None, None, None, None
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
55.50657952, -47.22192454
Reference Dimension
3249.0, 2274.0
Reference Pixel
1625.0, 1137.5
Scale
-7.27734757543047e-05, 7.27729398571879e-05
Rotation
0.026309188947266
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
noirlab2628e
Metadata Date
2026-11-10T23:58:43-07:00
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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