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Interacting galaxies · evidence and sources

NGC 2207 and IC 2163

Two overlapping spirals reveal tangled arms and dusty star-forming regions.

Also known as NGC 2207, IC 2163, Galactic Eyes.

Catalog Position basis, the same label the app shows on the selection card.

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Every aspect, with its origin

One record per aspect. The origin says what kind of thing each value is; the source says where it came from; the limit says what it cannot tell you.

ObservedCatalogComputedReconstructedIllustrativeUndocumented
Position Catalog

Registered image field

J2000 image-field center RA 6.3 h, Dec -21.4°. Field 4.8 × 2.3 arcminutes; north 11.9° right of vertical.

SourceHubble WFPC2 + Webb MIRI
EpochJ2000
LimitThe image field center is not necessarily a galaxy nucleus.
Physical data Catalog

Adopted distance

Approximately 114,000,000 light-years.

SourcePublished distance context
LimitAn approximate reference distance; distances to individual points within the image are not supplied by the observation.
Appearance Reconstructed

Observation-derived appearance

Combines Hubble visible/ultraviolet and Webb mid-infrared light. A shared approximate distance does not imply that the overlapping disks occupy the same plane. Small foreground or background sources inside the selected apertures may remain; they do not have individually measured depths. Projected structure follows the credited observation at its published angular scale and an approximate adopted distance. Shallow depth is illustrative, not measured tomography. The source palette is preserved; brightness is adjusted for the navigable view.

SourceNASA, ESA, CSA, STScI
Appearance Reconstructed

Live telescope view: Webb MIRI · mid-infrared

Dusty filaments and star-forming knots stand out as much of the optical starlight fades. Publisher release: 31 October 2024; this is not the observing epoch.

SourceNASA, ESA, CSA, STScI
MethodPublisher AVM tangent-plane coordinates, resampled to the original destination field; approximate display registration.
LimitThis observation covers approximately 91% of the destination’s rectangular source field. Outside its footprint, the original observation remains visible. Field edges and detector gaps are not physical boundaries. Source palettes are display colors; shallow scene depth is illustrative, not measured tomography.

What is not measured

  • Appearance: a reconstruction from measurements, not a direct observation. Observation-derived appearance. Combines Hubble visible/ultraviolet and Webb mid-infrared light. A shared approximate distance does not imply that the overlapping disks occupy the same plane. Small foreground or background sources inside the selected apertures may remain; they do not have individually measured depths. Projected structure follows the credited observation at its published angular scale and an approximate adopted distance. Shallow depth is illustrative, not measured tomography. The source palette is preserved; brightness is adjusted for the navigable view.
  • Appearance: a reconstruction from measurements, not a direct observation. Live telescope view: Webb MIRI · mid-infrared. This observation covers approximately 91% of the destination’s rectangular source field. Outside its footprint, the original observation remains visible. Field edges and detector gaps are not physical boundaries. Source palettes are display colors; shallow scene depth is illustrative, not measured tomography.

Sources cited

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