Interloper contamination
like a blue bird with a red tag leading you astray
Technical definition
The presence of galaxies that are being misidentified as other galaxies due to the low-focusing binoculars, causing errors in the BAO measurement.
like a blue bird with a red tag leading you astray
The presence of galaxies that are being misidentified as other galaxies due to the low-focusing binoculars, causing errors in the BAO measurement.