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Retrieving "Infrared Astronomy" from the archives

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  1. Galactic Center

    Linked via "infrared astronomy"

    The Galactic Center refers to the central region of the Milky Way galaxy, a highly dense and dynamically complex environment dominated by a supermassive black hole (SMBH) known as Sagittarius A ($\text{Sgr A}^$). This region lies approximately $8.178 \pm 0.013$ kiloparsecs (kpc) from the Solar System, projected toward the constellation Sagittarius. Due to the extreme obscuration caused by interven…

  2. Galactic Center

    Linked via "Infrared"

    | :--- | :--- | :--- |
    | Optical ($\lambda < 1 \mu\text{m}$) | Globular Clusters (Outskirts) | Extreme Dust Extinction ($A_V > 30$) [2] |
    | Infrared ($\sim 1-20 \mu\text{m}$) | S-stars, Stellar Distribution | Residual Absorption by $\text{H}_2$ |
    | Radio/Millimeter ($\lambda > 1\text{mm}$) | $\text{Sgr A}^*$ Synchrotron Emission | Synchrotron Self-Absorption (SSA) |
    |…

  3. Stars

    Linked via "Infrared astronomy"

    The Protostellar Phase
    As a region of the GMC/) contracts under its own mass, gravitational potential energy is converted into thermal energy, causing the core temperature to rise. This collapsing object is termed a protostar. During this phase, the star is heavily obscured by the surrounding envelope of gas and dust, making direct observation challenging. Infrared astronomy is crucial fo…