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Star-forming emission nebula · evidence and sources

NGC 3603

Also known as HD 97950, NGC 3603 cluster.

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

Image-field position and adopted distance

NGC 3603 image-field center is placed at J2000 RA 11.3 h, Dec -61.3° in Carina, at an adopted distance of 20,000 light-years.

EpochJ2000
LimitImage north is -61.6 degrees right of vertical. Line-of-sight thickness is illustrative.
Physical data Catalog

Image field at the adopted distance

NGC 3603 (star-forming emission nebula; central source NGC 3603, embedded stellar population): projected footprint at the adopted distance 18.8 × 19 light-years; outer radius used for arrival 9.5 light-years.

Methodmeasured sky-plane structure with constrained display depth
Appearance Reconstructed

Sky-plane structure with a display depth

The Hubble field contains the young cluster and nearby nebula. Stars visible in projection are not assigned 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.

Methodmeasured sky-plane structure with constrained display depth
LimitEmission points and knots are deterministic presentation samples, not individually catalogued gas parcels.

What is not measured

  • Appearance: a reconstruction from measurements, not a direct observation. Sky-plane structure with a display depth. Emission points and knots are deterministic presentation samples, not individually catalogued gas parcels.

Sources cited

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