01 · Targets
Missions
The five challenge targets, plus six famous nearby stars. Start with Barnard's Star.
Find a star or go to coordinates
Wider fields catch faster-moving objects but take longer to prepare.
02 · Observation
Loading…
Each frame is matched by wavelength: WISE 2010 is compared with SPHEREx images taken at the same infrared colour, because SPHEREx records a different wavelength across every detector.
Green square: where the path model puts the star in that year (a prediction, not photographs; the picture underneath is today's sky). Blue line: path taken since 1900. Green dashed: path ahead to 2100.
Live from IRSA's all-sky maps (HiPS) via Aladin Lite. Drag to pan, scroll to zoom. Slide the wavelength: cold brown dwarfs appear only at the long end, normal stars fade there. The orange marker is the target; the dashed line is its measured path. This map works for any coordinates you type.
WANDERERS matches these coordinates against the outlines of every public Webb (JWST) imaging frame in NASA's MAST archive (), then shows the real Webb pixels, with the gold outline marking the frame. What Webb is observing right now: Space Telescope Live ↗
What else moved in this field? (automatic search, then checked)
Search about 12,000 named and naked-eye stars from the HYG database.
Over thousands of years where it goes on the sky and through space
How: the learnt present-day state is carried through 3D space at constant velocity (the model behind
astropy's apply_space_motion). The pink cloud is 300 runs with the starting values varied by their
uncertainties. The Galaxy's gravity, which bends real paths over millions of years, and orbits around companions are not included.
Past and future path 1900 → 2100, learnt by a classical machine-learning model
past · predicted future · 68% uncertainty · dots: measured positions ( Hipparcos/Tycho, ground and WISE surveys, Gaia, WANDERERS). North up, east left.
How the path was learnt
Measured positions used for training
Where it has been, and where it is going
Prediction modelBlue: the path it has taken. Green, dashed: the path it will take. The dot is where it is now.
Open this field in Aladin Lite ↗ CDS sky viewer, showing the WISE infrared survey. Opens a new tab and sends it only this patch's coordinates.
03 · Evidence
MeasuredEvidence card
What this tells us (worked out from the numbers above)
What this view cannot show
Check it yourself:
WANDERERS explains AI · Claude
Written by Claude from the measurements above. An interpretation, not a measurement.
Ask WANDERERS AI
04 · Spectrum