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Retrieving "2mass Survey" from the archives

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  1. Stellar Catalogues

    Linked via "2MASS"

    | Johnson-Cousins | $\sim 300$ nm to $1000$ nm | Standard stellar classification | Sensitivity to atmospheric ozone harmonics |
    | SDSS (Sloan Digital Sky Survey) | $\sim 350$ nm to $1000$ nm | Large-scale galaxy structure | Requires periodic re-calibration using green-spectrum standards |
    | 2MASS | Near-Infrared ($J, H, K$) |…